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Cheap flights from St. Louis (STL) to Niagara Falls, Canada 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 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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The best prices from Lambert-St Louis to Niagara Falls 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 Niagara Falls

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Niagara Falls (NI4). 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 28, 2024.

Popular in

July

Cheapest in

January

Average price

$231

Round-trip from

$248
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 42% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Niagara Falls
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How far in advance should I book a flight from St. Louis to Niagara Falls?

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 Niagara Falls 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 Niagara Falls?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, March can be a great choice for travel to Niagara Falls. Flights to Niagara Falls from St. Louis in March are about $359 on average during March, but can be found for as low as $176.

When is the cheapest time to fly from St. Louis to Niagara Falls (STL - NI4)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Niagara Falls as you normally would.

Cheap Delta flights from St. Louis to Niagara Falls

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Niagara Falls. 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 28, 2024.
Find some of the cheapest Delta flights traveling from St. Louis to Niagara Falls. Make sure to check back often as deals are often changing.
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 Niagara Falls

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Niagara Falls. 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 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Niagara Falls. Ensure the flight price, dates, time, and airline match your criteria before you book.
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 Niagara Falls flights in May & June 2024

Find cheap flight options from St. Louis to Niagara Falls 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 28, 2024.
These are some of the most attractive deals on flights from St. Louis to Niagara Falls 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 Niagara Falls 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Niagara Falls 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 28, 2024.
These are some of the most attractive deals on flights from St. Louis to Niagara Falls 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 Niagara Falls from St. Louis

Discover non-stop flight options from St. Louis to Niagara Falls. 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 28, 2024.
For a shorter flight, select one of these non-stop flights from St. Louis to Niagara Falls. Those looking to potentially save on 1 or 2-stop flights from St. Louis to Niagara Falls should utilize the search form at the the top of the page.
Mon 7/110:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Fri 7/52:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/27$533
Mon 7/14:05 pmSTL - 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 8/294:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Sun 9/12:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/27$574
Tue 7/164:05 pmSTL - YYZ
Nonstop1h 59mMultiple Airlines
Sun 7/216:55 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/27$629
Thu 7/1810:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 7/222:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/27$649
Wed 11/134:10 pmSTL - YYZ
Nonstop2h 00mAir Canada
Fri 11/158:30 amYYZ - STL
Nonstop2h 23mAir Canada
Deal found 5/27$725
Wed 6/264:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Wed 7/32:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/27$897
Fri 6/2811:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Sun 7/76:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/27$898

St. Louis to Niagara Falls flights leaving soon

Find last-minute flight options from St. Louis to Niagara Falls 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 28, 2024.
Book one of these great deals on flights from St. Louis to Niagara Falls. To prevent any unwanted surprises, users should verify their flight info 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 Niagara Falls from St. Louis

Search for one-way flight options from St. Louis to Niagara Falls. 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 28, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Niagara Falls, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Niagara Falls should utilize the search form above.
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 Niagara Falls within your budget

Customize your flight search to find flights from St. Louis to Niagara Falls 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 28, 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 Niagara Falls?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Niagara Falls. 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 Niagara Falls. 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 Niagara Falls?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Niagara Falls. 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 Niagara Falls 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 Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls 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 Niagara Falls by month

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

YTO

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated May 28, 2024.
To help decide which airline to fly from St. Louis to Niagara Falls, see what other customers have to say about Delta, United Airlines and Air Canada. 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
10,476 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

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 Niagara Falls. 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 Niagara Falls?

    If you book a flight to Niagara Falls 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 Niagara Falls per day from 3 different airlines.

  • Can I find flights from St. Louis to Niagara Falls for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Niagara Falls 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 Niagara Falls for under $600 on Cheapflights?

    Cheapflights has at least 14 direct flights from St. Louis to Niagara Falls under $600. A good price for a nonstop flight from St. Louis to Niagara Falls is less than $897.

  • Are there last-minute flights available from St. Louis to Niagara Falls for under $400?

    There are currently 20+ open flights from St. Louis to Niagara Falls within the next 7 days for less than $400.

  • What are the most reliable airlines from St. Louis to Niagara Falls?

    The top 3 most reliable airlines when flying from St. Louis to Niagara Falls are United Airlines (84%), Air Canada (82%) and Jazz (82%).

  • What are the cheapest flights from St. Louis to Niagara Falls?

    Looking at all options, your cheapest flight can be booked for $242. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $274 on average our data indicates $1,838 when flying from St. Louis to Niagara Falls.

  • 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. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF).

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

    The amount of baggage you can bring on your St. Louis to Niagara Falls 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 Niagara Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Niagara Falls 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 Niagara Falls that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Niagara Falls?

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

  • Can I find deals for business class flights from St. Louis to Niagara Falls?

    Yes. Cheapflights offers flight deals from St. Louis to Niagara Falls 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 Niagara Falls that allow pets onboard?

    Many airlines flying from St. Louis to Niagara Falls 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 Niagara Falls?

    Yes, you can often find last-minute deals on St. Louis to Niagara Falls 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 Niagara Falls flight deals updated?

    The St. Louis to Niagara Falls 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 Niagara Falls?

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

  • When is the best time to book a flight from St. Louis to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Niagara Falls (average of $237). Flying from St. Louis to Niagara Falls 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.

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

St. Louis to Pearson Intl flights
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Top 3 airlines flying from St. Louis to Niagara Falls

Discover the top 3 airlines that operate flights from St. Louis to Niagara Falls. 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 28, 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%
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Search flights from St. Louis to Niagara Falls by cabin class

Find flights from St. Louis to Niagara Falls, 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 Niagara Falls

Find hourly flight availability from St. Louis to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 28, 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
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Weekly flight availability from St. Louis to Niagara Falls

Explore weekly flight availability from St. Louis to Niagara Falls. 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 28, 2024.
Sunday2daily flights
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How does Cheapflights help users find flights from St. Louis to Niagara Falls?

When you search for this flight from St. Louis to Niagara Falls, 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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Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Niagara Falls for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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