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Cheap flights from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL) from $137

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 6/11. 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 — YUL
Jun 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
1 adult, Economy
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The best prices from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl are usually found in January or December, booked 65 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL). 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 31, 2024.

Popular in

June

Cheapest in

January

Average price

$512

Round-trip from

$276
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 32% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl
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What is the cheapest day to fly round-trip from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal Pierre Elliott Trudeau Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Users have found that booking a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport at least 53 days early can save you up to 191% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for as little as $392 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $756 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Our data shows that February tends to be the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis. Users have commonly found prices around $514 for the month, but tickets can be as low as $219. Due to multiple factors, prepare for potentially higher prices in August.

What is the cheapest time of day to fly from STL to YUL?

It’s typically best to fly out from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in the evening. Doing so could potentially save you 56% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Air Canada flights from St. Louis to Pierre Elliott Trudeau Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
Take a peek at the cheapest Air Canada flights we've detected traveling from St. Louis to Montreal. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 9/712:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Sat 9/287:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$512
Sat 9/711:10 amSTL - YUL
1 stop5h 10mAir Canada
Thu 9/267:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$522
Mon 9/212:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Mon 9/239:10 amYUL - STL
1 stop7h 10mAir Canada
Deal found 5/29$523
Sat 7/2011:30 amSTL - YUL
Nonstop2h 23mAir Canada
Sat 7/278:30 amYUL - STL
1 stop8h 10mAir Canada
Deal found 5/29$527
Sun 9/19:30 amSTL - YUL
1 stop6h 50mAir Canada
Sun 9/229:10 amYUL - STL
1 stop7h 10mAir Canada
Deal found 5/29$533
Wed 10/910:10 amSTL - YUL
1 stop7h 06mAir Canada
Sat 10/1210:10 amYUL - STL
1 stop6h 10mAir Canada
Deal found 5/30$534
Thu 9/54:05 pmSTL - YUL
1 stop8h 41mAir Canada
Sat 9/287:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$546
Sun 7/1411:30 amSTL - YUL
Nonstop2h 23mAir Canada
Sat 7/278:30 amYUL - STL
1 stop8h 10mAir Canada
Deal found 5/31$562
Thu 7/1811:30 amSTL - YUL
Nonstop2h 23mAir Canada
Thu 7/2511:10 amYUL - STL
1 stop5h 11mAir Canada
Deal found 5/29$568

Cheap Delta flights from St. Louis to Pierre Elliott Trudeau Intl

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from St. Louis to Montreal. Deals frequently update to provide users with more options.
Tue 8/2012:59 pmSTL - YUL
1 stop9h 11mDelta
Tue 8/2710:00 amYUL - STL
1 stop9h 30mDelta
Deal found 5/31$441
Tue 9/312:59 pmSTL - YUL
1 stop9h 11mDelta
Wed 9/2511:15 amYUL - STL
1 stop10h 35mDelta
Deal found 5/29$483
Tue 8/2012:59 pmSTL - YUL
1 stop9h 11mDelta
Tue 8/2710:00 amYUL - STL
2 stops11h 36mDelta
Deal found 5/31$484
Mon 9/93:30 pmSTL - YUL
1 stop6h 49mDelta
Tue 9/177:00 amYUL - STL
1 stop8h 50mDelta
Deal found 5/31$489
Tue 9/312:59 pmSTL - YUL
1 stop9h 11mDelta
Tue 9/247:00 amYUL - STL
2 stops11h 55mDelta
Deal found 5/29$492
Mon 9/27:10 pmSTL - YUL
1 stop12h 57mDelta
Sat 9/287:00 amYUL - STL
1 stop11h 55mDelta
Deal found 5/29$498
Sat 7/207:15 amSTL - YUL
1 stop9h 35mDelta
Thu 7/2510:00 amYUL - STL
1 stop9h 30mDelta
Deal found 5/31$504
Sun 9/15:26 pmSTL - YUL
1 stop5h 33mDelta
Wed 9/257:00 amYUL - STL
1 stop8h 50mDelta
Deal found 5/29$510
Mon 7/226:00 amSTL - YUL
1 stop16h 10mDelta
Thu 7/2510:00 amYUL - STL
1 stop9h 30mDelta
Deal found 5/29$513

Cheap St. Louis to Pierre Elliott Trudeau Intl flights in May & June 2024

Find cheap flight options from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Prices were last updated on May 31, 2024.
Scroll through some of the best deals on flights from St. Louis to Montreal in 2024. Check back in a little while for more flight options.
Sun 6/166:55 pmSTL - YUL
2 stops19h 05mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$377
Sun 6/167:44 pmSTL - YUL
1 stop17h 36mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$391
Sun 6/166:30 amSTL - YUL
3 stops30h 50mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$452
Sun 6/166:55 pmSTL - YUL
2 stops19h 05mMultiple Airlines
Tue 6/186:50 amYUL - STL
3 stops39h 16mMultiple Airlines
Deal found 5/31$469
Fri 6/2812:15 pmSTL - YUL
3 stops29h 30mMultiple Airlines
Fri 7/57:00 amYUL - STL
3 stops29h 45mMultiple Airlines
Deal found 5/31$483
Sun 6/166:30 amSTL - YUL
3 stops30h 50mMultiple Airlines
Tue 6/186:50 amYUL - STL
3 stops39h 16mMultiple Airlines
Deal found 5/31$517
Sat 6/223:27 pmSTL - YUL
1 stop6h 17mAmerican Airlines
Thu 6/275:23 pmYUL - STL
1 stop16h 13mAmerican Airlines
Deal found 5/31$529
Sat 6/227:00 amSTL - YUL
2 stops8h 40mAmerican Airlines
Thu 6/2710:43 amYUL - STL
1 stop10h 30mAmerican Airlines
Deal found 5/31$538
Fri 6/284:05 pmSTL - YUL
1 stop15h 13mAir Canada
Fri 7/56:15 amYUL - STL
1 stop7h 02mAir Canada
Deal found 5/31$561

St. Louis to Pierre Elliott Trudeau Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Pierre Elliott Trudeau Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Scroll through some of the best deals on flights from St. Louis to Montreal in 2024. Check back in a little while for more flight options.
Sun 6/166:55 pmSTL - YUL
2 stops19h 05mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$377
Sun 6/167:44 pmSTL - YUL
1 stop17h 36mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$391
Sun 9/87:48 pmSTL - YUL
1 stop17h 32mMultiple Airlines
Thu 9/127:00 amYUL - STL
2 stops12h 29mMultiple Airlines
Deal found 5/31$412
Sun 9/87:48 pmSTL - YUL
2 stops18h 12mMultiple Airlines
Thu 9/127:00 amYUL - STL
2 stops12h 29mMultiple Airlines
Deal found 5/31$414
Sun 9/87:48 pmSTL - YUL
3 stops27h 43mMultiple Airlines
Thu 9/127:00 amYUL - STL
2 stops12h 29mMultiple Airlines
Deal found 5/31$420
Sun 9/87:48 pmSTL - YUL
1 stop17h 32mMultiple Airlines
Thu 9/126:45 amYUL - STL
1 stop12h 44mMultiple Airlines
Deal found 5/31$431
Tue 8/2012:59 pmSTL - YUL
1 stop9h 11mDelta
Tue 8/2710:00 amYUL - STL
1 stop9h 30mDelta
Deal found 5/31$441
Wed 8/2812:59 pmSTL - YUL
1 stop9h 11mDelta
Wed 9/46:14 amYUL - STL
2 stops11h 06mDelta
Deal found 5/31$450
Sun 6/166:30 amSTL - YUL
3 stops30h 50mMultiple Airlines
Tue 6/186:50 amYUL - STL
1 stop8h 33mMultiple Airlines
Deal found 5/31$452

Non-stop flights to Pierre Elliott Trudeau Intl from St. Louis

Discover non-stop flight options from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
For a quicker trip, book one of these direct flights from St. Louis to Montreal. Select from other flights from St. Louis to Montreal by using the search form above.
Sat 9/712:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Sat 9/287:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$512
Mon 9/912:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Tue 9/177:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/30$558
Thu 8/812:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Mon 8/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/31$657
Thu 8/812:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Mon 8/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/30$658
Sun 7/2111:30 amSTL - YUL
Nonstop2h 23mAir Canada
Wed 7/247:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$696
Thu 9/1912:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Sun 9/227:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/30$699
Sun 7/1411:30 amSTL - YUL
Nonstop2h 23mAir Canada
Sat 7/277:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/31$709
Fri 8/912:00 pmSTL - YUL
Nonstop2h 23mAir Canada
Mon 8/127:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/30$754
Fri 6/219:50 amSTL - YUL
Nonstop2h 23mAir Canada
Mon 6/247:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/29$814

St. Louis to Pierre Elliott Trudeau Intl flights leaving soon

Find last-minute flight options from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Montreal. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 6/83:23 pmSTL - YUL
1 stop6h 47mDelta
Tue 6/117:00 amYUL - STL
1 stop8h 30mDelta
Deal found 5/31$747
Sat 6/87:00 amSTL - YUL
2 stops8h 40mAmerican Airlines
Tue 6/115:23 pmYUL - STL
1 stop16h 13mAmerican Airlines
Deal found 5/31$790
Sat 6/811:38 amSTL - YUL
1 stop8h 51mAir Canada
Tue 6/117:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/31$806
Sat 6/87:00 amSTL - YUL
2 stops8h 40mAmerican Airlines
Tue 6/1110:43 amYUL - STL
2 stops9h 46mAmerican Airlines
Deal found 5/31$815
Sat 6/811:00 amSTL - YUL
Nonstop2h 23mAir Canada
Tue 6/117:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/31$911
Thu 6/611:03 amSTL - YUL
1 stop21h 52mAmerican Airlines
Mon 6/107:00 amYUL - STL
1 stop17h 26mAmerican Airlines
Deal found 5/31$1,551
Thu 6/66:00 amSTL - YUL
2 stops8h 14mDelta
Mon 6/106:47 pmYUL - STL
1 stop5h 56mDelta
Deal found 5/31$1,853
Thu 6/611:38 amSTL - YUL
1 stop8h 51mAir Canada
Mon 6/107:30 pmYUL - STL
Nonstop2h 35mAir Canada
Deal found 5/31$1,964
Thu 6/66:09 amSTL - YUL
2 stops9h 21mAmerican Airlines
Mon 6/107:29 amYUL - STL
2 stops7h 57mAmerican Airlines
Deal found 5/31$2,010

One-way flights to Pierre Elliott Trudeau Intl from St. Louis

Search for one-way flight options from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Montreal. For those needing a return trip from St. Louis, there is a search form available above.
Tue 6/113:23 pmSTL - YUL
2 stops32h 10mMultiple Airlines
Deal found 5/31$137
Tue 6/113:23 pmSTL - YUL
1 stop22h 37mMultiple Airlines
Deal found 5/31$174
Wed 6/127:29 pmSTL - YUL
2 stops40h 41mMultiple Airlines
Deal found 5/31$193
Tue 6/1111:57 amSTL - YUL
3 stops26h 03mMultiple Airlines
Deal found 5/31$195
Thu 7/46:22 pmSTL - YUL
2 stops29h 11mMultiple Airlines
Deal found 5/30$196
Tue 7/2310:11 amSTL - YUL
2 stops13h 22mMultiple Airlines
Deal found 5/29$198
Wed 7/1012:15 pmSTL - YUL
3 stops33h 35mMultiple Airlines
Deal found 5/30$202
Wed 7/107:33 pmSTL - YUL
1 stop17h 47mMultiple Airlines
Deal found 5/30$207
Tue 7/2312:59 pmSTL - YUL
1 stop9h 11mDelta
Deal found 5/29$212

Find flights from St. Louis to Pierre Elliott Trudeau Intl within your budget

Customize your flight search to find flights from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$377 - $634

Route

Depart

Return

Price

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sun 6/16

2 stops19h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 6/18

1 stop8h 33m

$377

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sun 6/16

1 stop17h 36m

Montreal Pierre Elliott Trudeau Intl

Tue 6/18

1 stop8h 33m

$391

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Tue 6/11

3 stops25h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 6/18

1 stop8h 33m

$410

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Tue 8/20

1 stop9h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 8/27

1 stop9h 30m

$441

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Tue 9/3

1 stop9h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 9/25

1 stop10h 35m

$483

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sat 9/7

Nonstop2h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 9/28

Nonstop2h 35m

$512

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sat 6/22

1 stop6h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 6/27

1 stop16h 13m

$529

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Tue 10/1

2 stops7h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 10/8

Nonstop2h 35m

$531

Lambert-St LouisMontreal Pierre Elliott Trudeau Intl

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/5

2 stops31h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 10/12

2 stops21h 44m

$634

Flights are sorted by cheapest first

Deals found on 5/31

How far ahead should I book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pierre Elliott Trudeau Intl. Price data was last updated on May 31, 2024.
Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Thursday 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 Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl by month

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

YMQ

Temperature

15.8 - 71.6 °F

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl. Reviews last updated May 31, 2024.
Read through reviews of airlines operating flights from St. Louis to Montreal, such as Air Canada, Delta and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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
10,419 reviews
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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
2,866 reviews
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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
10,763 reviews
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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
14,274 reviews
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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
7,006 reviews
Delta
8.0
Very good
10,419 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

Crew

8.6

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 Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl. On average, Lambert-St Louis has 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day from 5 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $400. The cheapest flight booked recently is on Multiple Airlines for just $377, but on average you can expect to pay $438.

  • Are there nonstop flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport under $600. A good price for a nonstop flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is less than $903.

  • Are there last-minute flights available from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport for under $800?

    There are currently 9+ open flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport within the next 7 days for less than $800.

  • What is the cheapest airline to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Currently priced at $441, Delta will fly you from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Delta is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $212. Users have also found prices from $229 and $235 on United Airlines and American Airlines, respectively.

  • What are the most reliable airlines from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: Air Canada (64%), Jazz (64%), United Airlines( 64%).

  • What are the cheapest flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is $274. On average you can expect to pay $777. The most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $410.

  • What does STL to YUL mean?

    STL stands for Lambert-St Louis Airport, while YUL stands for Montreal Pierre Elliott Trudeau Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your St. Louis to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl.

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

    Yes. Cheapflights offers flight deals from St. Louis to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl that allow pets onboard?

    Many airlines flying from St. Louis to Pierre Elliott Trudeau 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 Pierre Elliott Trudeau Intl?

    Yes, you can often find last-minute deals on St. Louis to Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport flight deals updated?

    The St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flight deals you see on this page were last updated on 5/31.

  • What are the most popular airlines that fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    The most popular airlines flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (average of $246). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $444). 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.

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

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Top 5 airlines flying from St. Louis to Pierre Elliott Trudeau Intl

Discover the top 5 airlines that operate flights from St. Louis to Pierre Elliott Trudeau 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 2,784,634 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$237Average$503FlexibilityNo cancel feeOn-time69%
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Air CanadaCheapest$267Average$562FlexibilityNo cancel feeOn-time67%
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American AirlinesCheapest$274Average$497FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$383Average$597FlexibilityNo cancel feeOn-timeN/A
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WestJetCheapest$501Average$645FlexibilityNo cancel feeOn-time60%
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Search flights from St. Louis to Pierre Elliott Trudeau Intl by cabin class

Find flights from St. Louis to Pierre Elliott Trudeau Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Pierre Elliott Trudeau Intl

Find hourly flight availability from St. Louis to Pierre Elliott Trudeau 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 31, 2024.
0%of flight departuresEarly morningMidnight to 6 am
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When you search for this flight from St. Louis to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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 Pierre Elliott Trudeau Intl from St. Louis.

Can Cheapflights find flights from St. Louis to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on St. Louis to Pierre Elliott Trudeau 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.

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