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Cheap flights from St. Louis (STL) to Niagara Falls, Canada from $113

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 — YYZ
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 16, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$248

One-way from

$166
High demand for flights, 36% potential price rise
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Best time to find cheap flights, 42% potential price drop
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From Lambert-St Louis to Niagara Falls
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One-way flight 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 $364 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 Air Canada flights from St. Louis to Niagara Falls

Explore cheap flight options specifically provided by Air Canada 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 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest Air Canada flights traveling from St. Louis to Niagara Falls. Make sure to check back often as deals are often changing.
Tue 5/289:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Wed 6/192:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$443
Thu 6/2011:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Thu 6/272:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$509
Mon 6/244:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Thu 6/272:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$533
Sat 6/228:05 amSTL - YYZ
1 stop4h 43mAir Canada
Thu 7/46:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$537
Thu 6/66:30 amSTL - YYZ
1 stop4h 22mAir Canada
Wed 6/122:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$544
Sat 6/85:31 pmSTL - YYZ
1 stop5h 27mAir Canada
Tue 6/112:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$566
Sun 8/114:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Sat 8/174:00 pmYYZ - STL
1 stop6h 05mAir Canada
Deal found 5/15$579
Sun 6/29:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Thu 6/66:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$586
Thu 6/66:30 amSTL - YYZ
1 stop4h 22mAir Canada
Mon 6/106:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$635

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 2,637,452 searches. Data last updated May 16, 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 5/2811:38 amSTL - YYZ
1 stop7h 14mUnited Airlines
Wed 6/192:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/14$453
Sat 6/85:31 pmSTL - YYZ
1 stop5h 27mUnited Airlines
Tue 6/112:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/14$518
Mon 8/125:30 pmSTL - YYZ
1 stop15h 28mUnited Airlines
Fri 8/307:00 amYYZ - STL
2 stops27h 56mUnited Airlines
Deal found 5/15$567
Mon 8/124:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Fri 8/302:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/15$575
Fri 6/1411:38 amSTL - YYZ
2 stops9h 06mUnited Airlines
Thu 6/2011:00 amYYZ - STL
1 stop5h 41mUnited Airlines
Deal found 5/14$643
Wed 5/226:30 amSTL - YYZ
1 stop6h 17mUnited Airlines
Sun 5/262:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/16$1,025
Wed 5/2210:10 amSTL - YYZ
1 stop4h 33mUnited Airlines
Wed 5/296:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/16$1,040
Thu 6/69:50 amSTL - YYZ
Nonstop2h 01mUnited Airlines
Wed 6/122:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/14$1,479
Thu 6/69:50 amSTL - YYZ
Nonstop2h 01mUnited Airlines
Mon 6/106:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/14$1,571

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 2,637,452 searches. Prices were last updated on May 16, 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.
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/118:20 pmYYZ - STL
1 stop17h 45mMultiple Airlines
Deal found 5/14$271
Thu 6/138:12 pmSTL - YYZ
2 stops16h 48mMultiple Airlines
Thu 6/206:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/14$283
Thu 6/138:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Thu 6/206:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/14$289
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/112:40 pmYYZ - STL
2 stops23h 25mMultiple Airlines
Deal found 5/14$313
Fri 6/77:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/14$319
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/1111:59 amYYZ - STL
3 stops26h 06mMultiple Airlines
Deal found 5/14$325
Sat 6/2211:34 amSTL - YYZ
1 stop11h 28mMultiple Airlines
Tue 7/26:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/15$327
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Wed 6/122:00 pmYYZ - STL
1 stop28h 28mMultiple Airlines
Deal found 5/14$328
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/106:30 amYYZ - STL
3 stops29h 27mMultiple Airlines
Deal found 5/14$339

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 2,637,452 searches. Data last updated May 16, 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.
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/118:20 pmYYZ - STL
1 stop17h 45mMultiple Airlines
Deal found 5/14$271
Thu 6/138:12 pmSTL - YYZ
2 stops16h 48mMultiple Airlines
Thu 6/206:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/14$283
Thu 6/138:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Thu 6/206:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/14$289
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/112:40 pmYYZ - STL
2 stops23h 25mMultiple Airlines
Deal found 5/14$313
Fri 6/77:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/14$319
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/1111:59 amYYZ - STL
3 stops26h 06mMultiple Airlines
Deal found 5/14$325
Sat 6/2211:34 amSTL - YYZ
1 stop11h 28mMultiple Airlines
Tue 7/26:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/15$327
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Wed 6/122:00 pmYYZ - STL
1 stop28h 28mMultiple Airlines
Deal found 5/14$328
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/106:30 amYYZ - STL
3 stops29h 27mMultiple Airlines
Deal found 5/14$339

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 2,637,452 searches. Data last updated May 16, 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.
Tue 5/289:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Wed 6/192:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$443
Thu 6/2011:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Thu 6/272:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$509
Mon 6/244:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Thu 6/272:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$533
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Tue 7/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$537
Wed 8/710:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/126:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$574
Mon 8/124:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Fri 8/302:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/15$575
Thu 6/139:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Thu 6/206:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$584
Sun 6/29:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Thu 6/66:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$586
Thu 5/309:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Mon 6/32:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/15$639

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 2,637,452 searches. Data last updated May 16, 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 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Fri 5/248:15 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/16$491
Thu 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/16$496
Fri 5/247:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/16$535
Thu 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sun 5/266:30 amYYZ - STL
1 stop11h 59mMultiple Airlines
Deal found 5/16$541
Wed 5/228:07 amSTL - YYZ
1 stop9h 23mAmerican Airlines
Wed 5/2911:50 amYYZ - STL
1 stop8h 40mAmerican Airlines
Deal found 5/15$552
Fri 5/247:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Sun 5/266:30 amYYZ - STL
1 stop11h 59mMultiple Airlines
Deal found 5/16$580
Sat 5/257:23 pmSTL - YYZ
1 stop10h 12mMultiple Airlines
Sun 5/268:15 pmYYZ - STL
1 stop25h 05mMultiple Airlines
Deal found 5/16$582
Thu 5/237:23 pmSTL - YYZ
1 stop10h 17mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/16$626
Fri 5/245:37 pmSTL - YYZ
1 stop17h 02mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/16$628

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 2,637,452 searches. Data last updated May 16, 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 6/1111:57 amSTL - YYZ
1 stop10h 29mMultiple Airlines
Deal found 5/15$113
Tue 6/1111:57 amSTL - YYZ
1 stop10h 29mMultiple Airlines
Deal found 5/15$114
Thu 6/137:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 5/15$128
Thu 6/138:12 pmSTL - YYZ
1 stop26h 14mMultiple Airlines
Deal found 5/15$131
Sun 6/237:44 pmSTL - YYZ
1 stop27h 38mMultiple Airlines
Deal found 5/15$136
Tue 6/1111:57 amSTL - YYZ
2 stops17h 45mMultiple Airlines
Deal found 5/15$152
Mon 6/246:16 pmSTL - YYZ
1 stop19h 12mMultiple Airlines
Deal found 5/15$158
Sun 6/166:30 amSTL - YYZ
1 stop10h 02mSun Country Air
Deal found 5/15$166
Thu 6/137:45 amSTL - YYZ
2 stops12h 15mMultiple Airlines
Deal found 5/15$167

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$271 - $578

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/7

2 stops24h 25m

Toronto Pearson Intl

Tue 6/11

1 stop17h 45m

$271

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/13

2 stops16h 48m

Toronto Pearson Intl

Thu 6/20

1 stop11h 58m

$283

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/13

1 stop17h 16m

Toronto Pearson Intl

Thu 6/20

1 stop11h 58m

$289

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/7

2 stops24h 25m

Toronto Pearson Intl

Tue 6/11

2 stops23h 25m

$313

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 5/28

Nonstop2h 01m

Toronto Pearson Intl

Wed 6/19

Nonstop2h 06m

$443

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 5/28

1 stop7h 14m

Toronto Pearson Intl

Wed 6/19

Nonstop2h 06m

$453

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/8

1 stop6h 57m

Toronto Pearson Intl

Tue 6/11

1 stop8h 56m

$455

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 8/12

1 stop8h 29m

Toronto Pearson Intl

Fri 8/30

1 stop8h 38m

$464

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/2

1 stop4h 28m

Toronto Pearson Intl

Thu 6/6

2 stops16h 11m

$578

Flights are sorted by cheapest first

Deals found on 5/14

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 10, 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 12, 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

Average price of flights to Niagara Falls by month

Plan your trip from St. Louis to Niagara Falls by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Niagara Falls is currently $141 while a round-trip flight costs $394. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Niagara Falls (average of $238). Flying from St. Louis to Niagara Falls in July is currently the most expensive (average of $397). 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.

January

$238

February

$264

March

$305

April

$313

May

$316

June

$354

July

$397

August

$373

September

$322

October

$306

November

$279

December

$272

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 16, 2024.
To help decide which airline to fly from St. Louis to Niagara Falls, see what other customers have to say about Air Canada, United Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,157 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,673 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Aeromexico
7.6
Good
2,528 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,919 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,924 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 $271, but on average you can expect to pay $338.

  • Are there nonstop flights from St. Louis to Niagara Falls for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Niagara Falls under $500. A good price for a nonstop flight from St. Louis to Niagara Falls is less than $925.

  • Are there last-minute flights available from St. Louis to Niagara Falls for under $500?

    There are currently 20+ open flights from St. Louis to Niagara Falls within the next 7 days for less than $500.

  • What are the cheapest airlines to fly from St. Louis to Niagara Falls one-way?

    One-way options have recently been found by users for as low as $166 on Sun Country Air. Other airlines that offer cheap prices include WestJet from $239 and Air Canada from $242 one-way.

  • 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.

  • 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 $262. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $255 on average our data indicates $2,157 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 5/15.

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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.

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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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$287FlexibilityNo cancel feeOn-time67%
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United AirlinesCheapest$228Average$560FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$288Average$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 16, 2024.
0%of flight departuresEarly morningMidnight to 6 am
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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 16, 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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