HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Pearson Intl (YYZ) from $125

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YYZ
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Lambert-St Louis to Toronto Pearson Intl are usually found in January or May, booked 63 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from St. Louis to Pearson Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pearson Intl (YYZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 29, 2024.

Popular in

July

Cheapest in

January

Average price

$231

Round-trip from

$248
High demand for flights, 33% potential price rise
Search Deals
Best time to find cheap flights, 42% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Lambert-St Louis to Toronto Pearson Intl
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Toronto Pearson Intl Airport?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 142%.

How far in advance should I book a flight from St. Louis to Toronto Pearson Intl Airport?

Travelers have found it’s best to book a flight 24 days in advance to save up to 128% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Toronto Pearson Intl Airport 1-2 weeks in advance for as low as $259, or $473 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Toronto Pearson Intl Airport?

The best pricing can be found in the month of March. Prices to Toronto Pearson Intl Airport from St. Louis average $359. You can even find prices in March for less than $359, as users have found deals to Toronto Pearson Intl Airport from as low as $176. The month of February appears to be one of the more expensive times to travel to Toronto Pearson Intl Airport from St. Louis. Flying in the targeted month can save you up to 82%.

When is the cheapest time to fly from St. Louis to Toronto Pearson Intl Airport (STL - YYZ)?

It’s optimal to fly from St. Louis to Toronto Pearson Intl Airport at noon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Cheap Delta flights from St. Louis to Pearson Intl

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Pearson Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Find some of the cheapest Delta flights traveling from St. Louis to Toronto. Make sure to double check the flight details before booking.
Mon 7/110:30 amSTL - YYZ
1 stop6h 28mDelta
Tue 7/910:16 amYYZ - STL
1 stop11h 44mDelta
Deal found 5/27$500
Sat 7/133:49 pmSTL - YYZ
1 stop7h 08mDelta
Fri 7/1910:16 amYYZ - STL
1 stop9h 14mDelta
Deal found 5/28$515
Thu 6/276:00 amSTL - YYZ
1 stop9h 44mDelta
Mon 7/17:55 amYYZ - STL
1 stop11h 16mDelta
Deal found 5/28$539
Mon 7/16:06 amSTL - YYZ
1 stop4h 32mDelta
Thu 7/116:04 amYYZ - STL
1 stop4h 10mDelta
Deal found 5/27$558
Sat 7/136:06 amSTL - YYZ
2 stops10h 02mDelta
Fri 7/1910:16 amYYZ - STL
1 stop9h 14mDelta
Deal found 5/28$607
Thu 6/67:00 amSTL - YYZ
1 stop8h 49mDelta
Wed 6/126:25 amYYZ - STL
1 stop9h 05mDelta
Deal found 5/27$657
Thu 8/296:06 amSTL - YYZ
1 stop4h 33mDelta
Sun 9/12:00 pmYYZ - STL
2 stops8h 28mDelta
Deal found 5/28$731
Thu 6/612:53 pmSTL - YYZ
1 stop8h 04mDelta
Wed 6/126:25 amYYZ - STL
2 stops8h 01mDelta
Deal found 5/27$827
Wed 6/52:18 pmSTL - YYZ
2 stops7h 30mDelta
Sat 6/82:04 pmYYZ - STL
2 stops8h 13mDelta
Deal found 5/27$1,181

Cheap United Airlines flights from St. Louis to Pearson Intl

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Pearson Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Have a look at some of the cheapest available United Airlines flights departing from St. Louis and landing in Toronto. Deals are refreshing constantly so come back soon for more options.
Tue 7/28:05 amSTL - YYZ
1 stop7h 58mUnited Airlines
Fri 7/57:00 amYYZ - STL
1 stop8h 18mUnited Airlines
Deal found 5/27$518
Fri 7/58:05 amSTL - YYZ
1 stop6h 38mUnited Airlines
Fri 7/56:00 pmYYZ - STL
1 stop5h 31mUnited Airlines
Deal found 5/27$535
Sat 7/136:30 amSTL - YYZ
1 stop9h 33mUnited Airlines
Sat 10/198:05 amYYZ - STL
1 stop7h 43mUnited Airlines
Deal found 5/27$543
Wed 7/104:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Tue 10/228:05 amYYZ - STL
1 stop8h 54mUnited Airlines
Deal found 5/27$560
Wed 6/2610:15 amSTL - YYZ
1 stop4h 28mUnited Airlines
Wed 7/37:30 amYYZ - STL
2 stops7h 48mUnited Airlines
Deal found 5/27$567
Wed 7/106:30 amSTL - YYZ
1 stop7h 22mUnited Airlines
Wed 10/238:05 amYYZ - STL
1 stop8h 54mUnited Airlines
Deal found 5/27$570
Wed 7/108:05 amSTL - YYZ
1 stop5h 47mUnited Airlines
Thu 10/248:05 amYYZ - STL
1 stop8h 54mUnited Airlines
Deal found 5/27$580
Thu 8/296:02 amSTL - YYZ
1 stop6h 45mUnited Airlines
Sun 9/18:05 amYYZ - STL
1 stop8h 44mUnited Airlines
Deal found 5/27$585
Thu 7/1810:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 7/222:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/27$649

Cheap St. Louis to Pearson Intl flights in May & June 2024

Find cheap flight options from St. Louis to Pearson Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 29, 2024.
Scroll through some of the best deals on flights from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Mon 6/177:29 pmSTL - YYZ
1 stop23h 21mMultiple Airlines
Sat 6/226:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/27$274
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Fri 6/78:15 pmYYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 5/27$316
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/104:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/27$332
Sat 6/19:29 pmSTL - YYZ
1 stop11h 24mMultiple Airlines
Thu 6/64:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/28$337
Thu 6/68:12 pmSTL - YYZ
1 stop27h 10mMultiple Airlines
Mon 6/1010:35 amYYZ - STL
1 stop7h 39mMultiple Airlines
Deal found 5/27$343
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/94:00 pmYYZ - STL
2 stops25h 05mMultiple Airlines
Deal found 5/27$354
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/98:15 pmYYZ - STL
1 stop21h 59mMultiple Airlines
Deal found 5/27$355
Fri 6/77:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/27$364
Sun 6/166:30 amSTL - YYZ
1 stop10h 02mMultiple Airlines
Thu 6/207:50 amYYZ - STL
1 stop24h 17mMultiple Airlines
Deal found 5/28$367

St. Louis to Pearson Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Pearson Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Scroll through some of the best deals on flights from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Mon 6/177:29 pmSTL - YYZ
1 stop23h 21mMultiple Airlines
Sat 6/226:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/27$274
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Fri 6/78:15 pmYYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 5/27$316
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/104:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/27$332
Sat 6/19:29 pmSTL - YYZ
1 stop11h 24mMultiple Airlines
Thu 6/64:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/28$337
Thu 6/68:12 pmSTL - YYZ
1 stop27h 10mMultiple Airlines
Mon 6/1010:35 amYYZ - STL
1 stop7h 39mMultiple Airlines
Deal found 5/27$343
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/94:00 pmYYZ - STL
2 stops25h 05mMultiple Airlines
Deal found 5/27$354
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/98:15 pmYYZ - STL
1 stop21h 59mMultiple Airlines
Deal found 5/27$355
Fri 6/77:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/27$364
Sun 6/166:30 amSTL - YYZ
1 stop10h 02mMultiple Airlines
Thu 6/207:50 amYYZ - STL
1 stop24h 17mMultiple Airlines
Deal found 5/28$367

Non-stop flights to Pearson Intl from St. Louis

Discover non-stop flight options from St. Louis to Pearson Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
If you're seeking options on non-stop flights from St. Louis to Toronto, check out these fares. Users seeking other options on flights from St. Louis to Toronto should update the search form at the top of the page.
Fri 7/54:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 7/152:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/28$533
Mon 7/110:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 7/86:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/27$554
Thu 6/2711:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 7/16:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/28$558
Thu 8/1510:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/196:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/28$574
Sun 6/1611:00 amSTL - YYZ
Nonstop2h 01mMultiple Airlines
Thu 6/206:55 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/28$586
Thu 9/124:05 pmSTL - YYZ
Nonstop1h 54mMultiple Airlines
Sun 9/152:15 pmYYZ - STL
Nonstop2h 05mMultiple Airlines
Deal found 5/28$628
Thu 7/114:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 7/156:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/28$629
Mon 7/810:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Thu 7/186:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/28$639
Thu 7/1810:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 7/222:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/27$649

St. Louis to Pearson Intl flights leaving soon

Find last-minute flight options from St. Louis to Pearson Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Have a look at some of the flights available from St. Louis to Toronto departing last-minute. It's wise to confirm all flight details are correct before booking.
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Fri 6/78:15 pmYYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 5/27$316
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/104:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/27$332
Wed 6/57:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Mon 6/104:15 pmYYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 5/27$337
Thu 6/68:12 pmSTL - YYZ
1 stop27h 10mMultiple Airlines
Mon 6/1010:35 amYYZ - STL
1 stop7h 39mMultiple Airlines
Deal found 5/27$343
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/94:00 pmYYZ - STL
2 stops25h 05mMultiple Airlines
Deal found 5/27$354
Thu 6/68:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Sun 6/98:15 pmYYZ - STL
1 stop21h 59mMultiple Airlines
Deal found 5/27$355
Fri 6/77:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/27$364
Wed 6/58:13 amSTL - YYZ
1 stop14h 13mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/27$368
Thu 6/68:12 pmSTL - YYZ
1 stop27h 10mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/27$369

One-way flights to Pearson Intl from St. Louis

Search for one-way flight options from St. Louis to Pearson Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Toronto. Those seeking round-trip flights from St. Louis to Toronto should utilize the search form at the the top of the page.
Tue 6/47:44 pmSTL - YYZ
1 stop26h 42mMultiple Airlines
Deal found 5/27$125
Mon 6/246:16 pmSTL - YYZ
1 stop28h 10mMultiple Airlines
Deal found 5/28$128
Sun 6/96:55 pmSTL - YYZ
1 stop27h 31mMultiple Airlines
Deal found 5/27$138
Mon 6/39:20 pmSTL - YYZ
1 stop25h 06mMultiple Airlines
Deal found 5/27$139
Mon 9/307:29 pmSTL - YYZ
1 stop10h 08mMultiple Airlines
Deal found 5/27$140
Mon 6/107:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Deal found 5/27$142
Fri 9/66:42 pmSTL - YYZ
1 stop14h 08mMultiple Airlines
Deal found 5/27$157
Sun 6/27:44 pmSTL - YYZ
1 stop26h 42mMultiple Airlines
Deal found 5/28$182
Thu 9/126:18 pmSTL - YYZ
1 stop11h 25mMultiple Airlines
Deal found 5/27$188

Find flights from St. Louis to Pearson Intl within your budget

Customize your flight search to find flights from St. Louis to Pearson Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$274 - $538

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 6/17

1 stop23h 21m

Toronto Pearson Intl

Sat 6/22

1 stop11h 58m

$274

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/7

2 stops12h 12m

Toronto Pearson Intl

Mon 6/10

1 stop21h 32m

$316

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/7

2 stops12h 12m

Toronto Pearson Intl

Tue 6/11

1 stop8h 53m

$364

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/16

1 stop10h 02m

Toronto Pearson Intl

Thu 6/20

1 stop24h 17m

$367

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 7/1

1 stop9h 44m

Toronto Pearson Intl

Mon 7/1

2 stops14h 09m

$470

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 7/1

1 stop6h 28m

Toronto Pearson Intl

Tue 7/9

1 stop11h 44m

$500

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/26

1 stop9h 21m

Toronto Pearson Intl

Wed 7/3

1 stop9h 49m

$516

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 7/2

1 stop7h 58m

Toronto Pearson Intl

Fri 7/5

1 stop8h 18m

$518

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 7/5

Nonstop1h 59m

Toronto Pearson Intl

Tue 7/9

1 stop7h 05m

$538

Flights are sorted by cheapest first

Deals found on 5/27

When is the best time to book a flight from St. Louis to Toronto Pearson Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pearson Intl. Price data was last updated on May 24, 2024.
Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Toronto Pearson Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Toronto Pearson Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Pearson Intl. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Toronto Pearson Intl Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Pearson Intl by month

Plan your trip to Pearson Intl by taking into account the average temperature and rainfall totals by month.

YTO

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Pearson Intl

Get insights into the airlines that provide service to Pearson Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pearson Intl. Reviews last updated May 29, 2024.
See what other customers who have flown with Delta, United Airlines and Air Canada from St. Louis to Toronto have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,871 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,994 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Pearson Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Toronto Pearson Intl?

    If you book a flight to Toronto Pearson Intl from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 2 flights from Lambert-St Louis to Toronto Pearson Intl per day from 3 different airlines.

  • Can I find flights from St. Louis to Toronto Pearson Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Toronto Pearson Intl Airport for under $300. The cheapest flight booked recently is on Multiple Airlines for just $274, but on average you can expect to pay $388.

  • Are there nonstop flights from St. Louis to Toronto Pearson Intl Airport for under $600 on Cheapflights?

    Cheapflights has at least 17 direct flights from St. Louis to Toronto Pearson Intl Airport under $600. A good price for a nonstop flight from St. Louis to Toronto Pearson Intl Airport is less than $786.

  • Are there last-minute flights available from St. Louis to Toronto Pearson Intl Airport for under $400?

    There are currently 20+ open flights from St. Louis to Toronto Pearson Intl Airport within the next 7 days for less than $400.

  • What are the most reliable airlines from St. Louis to Toronto Pearson Intl Airport?

    Before booking your flight to Toronto Pearson Intl Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: United Airlines (84%), Air Canada (82%), Jazz( 82%).

  • What are the cheapest flights from St. Louis to Toronto Pearson Intl Airport?

    The cheapest flight price from St. Louis to Toronto Pearson Intl Airport is $242. On average you can expect to pay $1,838. The most popular route, (Lambert-St Louis - Toronto Pearson Intl), can usually be booked for $274.

  • What does STL to YYZ mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Toronto Pearson Intl Airport flight would often be abbreviated as a STL to YYZ flight.

  • Can I find deals for flights from St. Louis to Pearson Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Pearson Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Pearson Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Pearson Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Pearson Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to Pearson Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Pearson Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Pearson Intl.

  • Can I find deals for business class flights from St. Louis to Pearson Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Pearson Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Pearson Intl that allow pets onboard?

    Many airlines flying from St. Louis to Pearson Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Pearson Intl?

    Yes, you can often find last-minute deals on St. Louis to Pearson Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Toronto Pearson Intl Airport flight deals updated?

    The St. Louis to Toronto Pearson Intl Airport flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from St. Louis to Toronto Pearson Intl Airport?

    Consider American Airlines, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Toronto Pearson Intl Airport.

  • When is the best time to book a flight from St. Louis to Toronto Pearson Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Toronto Pearson Intl Airport (average of $237). Flying from St. Louis to Toronto Pearson Intl Airport in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Pearson Intl
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Pearson Intl flights
Springfield to Pearson Intl flights
Kansas City to Toronto Island flights
Columbia to Pearson Intl flights
Joplin to Pearson Intl flights
Springfield to Toronto Island flights

Top 3 airlines flying from St. Louis to Pearson Intl

Discover the top 3 airlines that operate flights from St. Louis to Pearson Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$278FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$225Average$560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$299Average$551FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Buffalo to New York flights
Boston to Hawaii flights
Houston to Chicago flights
Boston to Puerto Rico flights
New Jersey to California flights
New York to Fort Lauderdale flights
New York to Pittsburgh flights
Houston to San Francisco flights
Dallas to Minneapolis flights
Phoenix to Austin flights
California to Hawaii flights
St. Louis to South Africa flights

Search flights from St. Louis to Pearson Intl by cabin class

Find flights from St. Louis to Pearson Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from St. Louis to Pearson Intl

Find hourly flight availability from St. Louis to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 29, 2024.
0%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Pearson Intl

Explore weekly flight availability from St. Louis to Pearson Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 29, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Pearson Intl?

Cheapflights helps you search for flights from St. Louis to Pearson Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Pearson Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pearson Intl from St. Louis.

Can Cheapflights find flights from St. Louis to Pearson Intl with no change fees?

Certainly. Search results for flights to Pearson Intl from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Pearson Intl become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Pearson Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines