Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Niagara Falls to St. Louis from C$ 223

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 23/5. 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.
YYZ — STL
21 Apr — 28 Apr1
1 adult
Sun 21/4
Sun 28/4

The best prices from Niagara Falls to Lambert-St Louis are usually found in November or December, booked 51 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Niagara Falls to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Niagara Falls (NI4) to St. Louis (STL). 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 16 April 2024.

Popular in

June

Cheapest in

November

Round-trip from

C$ 503

One-way from

C$ 341
High demand for flights, 11% potential price rise
Search Deals
Best time to find cheap flights, 11% potential price drop
Search Deals
From Niagara Falls to Lambert-St Louis
Search Deals
One-way flight from Niagara Falls to Lambert-St Louis
Search Deals

How far in advance should I book a flight from Niagara Falls to St. Louis?

To save up to 59% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Niagara Falls to St. Louis from C$ 773 1-2 weeks out and tickets from C$ 1,632 for flights departing within the next 72 hours.

What is the cheapest month to fly from Niagara Falls to St. Louis?

Our data shows that January tends to be the cheapest month to fly to St. Louis from Niagara Falls. Users have commonly found prices around C$ 613 for the month, but tickets can be as low as C$ 438. Due to multiple factors, prepare for potentially higher prices in February.

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

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

Cheap United Airlines flights from Niagara Falls to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Niagara Falls and St. Louis. 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 508,882 searches. Data last updated 16 April 2024.
Take a peek at the cheapest United Airlines flights we've detected travelling from Niagara Falls to St. Louis. It's recommended that users confirm their flight details before booking.
Tue 7/54:00 p.m.YYZ - STL
Nonstop2h 10mUnited Airlines
Sat 11/56:05 a.m.STL - YYZ
1 stop6h 42mUnited Airlines
Deal found 15/4C$ 594
Sat 11/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 15/4C$ 615
Thu 15/82:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Sun 18/86:08 a.m.STL - YYZ
1 stop6h 39mUnited Airlines
Deal found 16/4C$ 636
Thu 15/87:00 a.m.YYZ - STL
1 stop6h 49mUnited Airlines
Sun 18/84:05 p.m.STL - YYZ
Nonstop1h 59mUnited Airlines
Deal found 15/4C$ 643
Thu 16/57:59 a.m.YYZ - STL
1 stop8h 47mUnited Airlines
Sun 19/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 16/4C$ 655
Thu 29/82:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Mon 2/96:02 a.m.STL - YYZ
1 stop6h 45mUnited Airlines
Deal found 16/4C$ 691
Thu 15/87:00 a.m.YYZ - STL
1 stop6h 49mUnited Airlines
Sun 18/86:30 a.m.STL - YYZ
2 stops9h 58mUnited Airlines
Deal found 15/4C$ 695
Fri 23/87:43 p.m.YYZ - STL
2 stops15h 27mUnited Airlines
Sun 25/86:02 a.m.STL - YYZ
1 stop6h 45mUnited Airlines
Deal found 15/4C$ 716
Mon 13/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Mon 20/55:25 p.m.STL - YYZ
1 stop5h 33mUnited Airlines
Deal found 15/4C$ 769

Cheap Delta flights from Niagara Falls to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Niagara Falls and St. Louis. 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 508,882 searches. Data last updated 16 April 2024.
Some of the best deals we've found on Delta flights travelling from Niagara Falls to St. Louis. Make sure to examine the flight information before completing your reservation.
Tue 7/57:45 a.m.YYZ - STL
1 stop5h 03mDelta
Sat 11/512:00 p.m.STL - YYZ
1 stop4h 09mDelta
Deal found 15/4C$ 603
Wed 24/46:15 a.m.YYZ - STL
1 stop5h 43mDelta
Mon 29/412:59 p.m.STL - YYZ
1 stop6h 37mDelta
Deal found 16/4C$ 922
Mon 6/56:15 a.m.YYZ - STL
1 stop5h 44mDelta
Thu 9/56:00 a.m.STL - YYZ
2 stops10h 09mDelta
Deal found 16/4C$ 947

Cheap Niagara Falls to St. Louis flights in April & May 2024

Find cheap flight options from Niagara Falls to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 508,882 searches. Prices were last updated on 16 April 2024.
Scroll through some of the best deals on flights from Niagara Falls to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Tue 7/54:00 p.m.YYZ - STL
Nonstop2h 10mUnited Airlines
Sat 11/56:05 a.m.STL - YYZ
1 stop6h 42mUnited Airlines
Deal found 15/4C$ 594
Tue 7/57:45 a.m.YYZ - STL
1 stop5h 03mDelta
Sat 11/512:00 p.m.STL - YYZ
1 stop4h 09mDelta
Deal found 15/4C$ 603
Sat 11/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 15/4C$ 615
Fri 10/57:00 a.m.YYZ - STL
1 stop4h 14mAir Canada
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 622
Fri 10/57:59 a.m.YYZ - STL
1 stop7h 24mMultiple Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mMultiple Airlines
Deal found 16/4C$ 623
Tue 7/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sat 11/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 14/4C$ 625
Mon 6/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Thu 9/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 16/4C$ 634
Fri 10/511:55 a.m.YYZ - STL
1 stop5h 22mAmerican Airlines
Sun 12/55:55 a.m.STL - YYZ
1 stop5h 39mAmerican Airlines
Deal found 14/4C$ 641
Fri 3/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Wed 8/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 645

Niagara Falls to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Niagara Falls and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 508,882 searches. Data last updated 16 April 2024.
Scroll through some of the best deals on flights from Niagara Falls to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Mon 15/76:30 a.m.YYZ - STL
1 stop28h 16mMultiple Airlines
Wed 31/711:36 a.m.STL - YYZ
1 stop10h 09mMultiple Airlines
Deal found 15/4C$ 553
Tue 7/54:00 p.m.YYZ - STL
Nonstop2h 10mUnited Airlines
Sat 11/56:05 a.m.STL - YYZ
1 stop6h 42mUnited Airlines
Deal found 15/4C$ 594
Tue 7/57:45 a.m.YYZ - STL
1 stop5h 03mDelta
Sat 11/512:00 p.m.STL - YYZ
1 stop4h 09mDelta
Deal found 15/4C$ 603
Thu 6/63:45 p.m.YYZ - STL
1 stop9h 18mAmerican Airlines
Sun 9/66:00 a.m.STL - YYZ
1 stop4h 15mAmerican Airlines
Deal found 15/4C$ 612
Thu 13/63:45 p.m.YYZ - STL
1 stop4h 44mAmerican Airlines
Sun 16/66:00 a.m.STL - YYZ
1 stop5h 40mAmerican Airlines
Deal found 15/4C$ 614
Sat 11/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 15/4C$ 615
Mon 29/711:55 a.m.YYZ - STL
1 stop6h 27mAmerican Airlines
Thu 1/86:10 a.m.STL - YYZ
1 stop9h 20mAmerican Airlines
Deal found 15/4C$ 616
Fri 10/57:00 a.m.YYZ - STL
1 stop4h 14mAir Canada
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 622
Fri 10/57:59 a.m.YYZ - STL
1 stop7h 24mMultiple Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mMultiple Airlines
Deal found 16/4C$ 623

Direct flights to St. Louis from Niagara Falls

Discover non-stop flight options from Niagara Falls to St. Louis. 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 508,882 searches. Data last updated 16 April 2024.
Consider booking one of these non-stop flights heading from Niagara Falls to St. Louis. Search for alternative flights from Niagara Falls to St. Louis by utilizing the search form above.
Tue 7/54:00 p.m.YYZ - STL
Nonstop2h 10mUnited Airlines
Sat 11/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 15/4C$ 594
Sat 11/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Deal found 15/4C$ 615
Tue 7/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sat 11/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 14/4C$ 625
Thu 11/72:15 p.m.YYZ - STL
Nonstop2h 06mMultiple Airlines
Sun 14/74:05 p.m.STL - YYZ
Nonstop1h 59mMultiple Airlines
Deal found 15/4C$ 634
Fri 3/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Wed 8/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 645
Thu 13/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sun 16/610:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 659
Wed 19/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Mon 24/610:10 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 15/4C$ 739
Wed 19/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Mon 24/610:10 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 16/4C$ 740
Fri 10/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Tue 14/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 16/4C$ 776

Niagara Falls to St. Louis flights leaving soon

Find last-minute flight options from Niagara Falls to St. Louis 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 508,882 searches. Data last updated 16 April 2024.
Book one of these great deals on flights from Niagara Falls to St. Louis. Users should examine the flight details to ensure there are no surprises.
Wed 24/411:51 a.m.YYZ - STL
1 stop7h 11mAmerican Airlines
Wed 8/55:04 a.m.STL - YYZ
1 stop5h 01mAmerican Airlines
Deal found 15/4C$ 835
Wed 24/42:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Wed 8/510:10 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Deal found 15/4C$ 856
Wed 24/46:00 a.m.YYZ - STL
1 stop5h 13mAmerican Airlines
Mon 29/41:11 p.m.STL - YYZ
1 stop8h 09mAmerican Airlines
Deal found 15/4C$ 886
Wed 24/42:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Mon 29/45:00 p.m.STL - YYZ
Nonstop2h 00mAir Canada
Deal found 15/4C$ 907
Wed 24/46:15 a.m.YYZ - STL
1 stop5h 43mDelta
Mon 29/412:59 p.m.STL - YYZ
1 stop6h 37mDelta
Deal found 16/4C$ 922
Wed 24/42:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Mon 29/45:00 p.m.STL - YYZ
Nonstop2h 00mAir Canada
Deal found 16/4C$ 951
Wed 24/48:50 a.m.YYZ - STL
2 stops9h 00mWestJet
Mon 29/43:40 p.m.STL - YYZ
1 stop6h 08mWestJet
Deal found 15/4C$ 981
Fri 19/46:55 a.m.YYZ - STL
1 stop12h 11mMultiple Airlines
Wed 24/49:53 p.m.STL - YYZ
1 stop11h 55mMultiple Airlines
Deal found 15/4C$ 1,021
Wed 24/48:50 a.m.YYZ - STL
2 stops9h 00mWestJet
Mon 29/46:30 a.m.STL - YYZ
1 stop9h 39mWestJet
Deal found 16/4C$ 1,183

One-way flights to St. Louis from Niagara Falls

Search for one-way flight options from Niagara Falls to St. Louis. 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 508,882 searches. Data last updated 16 April 2024.
Users in need of a one-way flight from Niagara Falls to St. Louis can choose from these deals. Those seeking round-trip flights from Niagara Falls to St. Louis should utilize the search form at the top of the page.
Thu 23/56:30 a.m.YYZ - STL
1 stop11h 59mMultiple Airlines
Deal found 14/4C$ 223
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 15/4C$ 241
Sun 28/46:30 a.m.YYZ - STL
1 stop12h 04mMultiple Airlines
Deal found 15/4C$ 267
Thu 2/510:15 a.m.YYZ - STL
1 stop9h 25mMultiple Airlines
Deal found 15/4C$ 271
Thu 25/49:00 p.m.YYZ - STL
1 stop17h 58mMultiple Airlines
Deal found 14/4C$ 274
Thu 25/46:30 a.m.YYZ - STL
2 stops53h 10mMultiple Airlines
Deal found 14/4C$ 282
Fri 24/58:15 p.m.YYZ - STL
2 stops21h 10mMultiple Airlines
Deal found 15/4C$ 310
Wed 15/56:55 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 15/4C$ 323
Tue 30/78:00 p.m.YYZ - STL
1 stop15h 18mMultiple Airlines
Deal found 14/4C$ 326

Find flights from Niagara Falls to St. Louis within your budget

Customize your flight search to find flights from Niagara Falls to St. Louis 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 508,882 searches. Data last updated 16 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 369 - C$ 717

Route

Depart

Return

Price

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 11/5

1 stop10h 55m

Lambert-St Louis

Tue 14/5

1 stop9h 44m

C$ 369

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 11/5

1 stop10h 55m

Lambert-St Louis

Tue 14/5

1 stop9h 44m

C$ 374

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 11/5

1 stop10h 55m

Lambert-St Louis

Tue 14/5

2 stops11h 05m

C$ 461

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 11/5

1 stop10h 55m

Lambert-St Louis

Tue 14/5

2 stops11h 05m

C$ 471

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/5

Nonstop2h 10m

Lambert-St Louis

Sat 11/5

1 stop6h 42m

C$ 594

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/5

1 stop5h 03m

Lambert-St Louis

Sat 11/5

1 stop4h 09m

C$ 603

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 6/6

1 stop9h 18m

Lambert-St Louis

Sun 9/6

1 stop4h 15m

C$ 612

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 10/5

1 stop4h 14m

Lambert-St Louis

Tue 14/5

Nonstop2h 01m

C$ 622

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 17/5

1 stop26h 45m

Lambert-St Louis

Mon 20/5

1 stop23h 43m

C$ 717

Flights are sorted by cheapest first

Deals found on 15/4

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

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to St. Louis. Price data was last updated on 28 January 2024.
The price you pay for your flight from Niagara Falls to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Niagara Falls to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to St. Louis. Price data was last updated on 14 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Niagara Falls to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Niagara Falls to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Niagara Falls to St. Louis is currently C$ 280 while a round-trip flight costs C$ 536. Price data was last updated on 14 April 2024.

Currently, January is the cheapest month in which you can book a flight from Niagara Falls to St. Louis (average of C$ 365). Flying from Niagara Falls to St. Louis in July is currently the most expensive (average of C$ 534). 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

C$ 502

February

C$ 552

March

C$ 615

April

C$ 578

May

C$ 583

June

C$ 643

July

C$ 735

August

C$ 622

September

C$ 623

October

C$ 659

November

C$ 555

December

C$ 523

Temperature and rainfall in St. Louis by month

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

STL

Temperature

0 - 27 °C

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 16 April 2024.
To help decide which airline to fly from Niagara Falls to St. Louis, see what other customers have to say about United Airlines, Delta and Air Canada. 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
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,085 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Delta
8.1
Very good
11,123 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

WestJet
7.5
Good
3,007 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
11,360 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,952 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

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 Niagara Falls to St. Louis. 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 into for flights to St. Louis from Niagara Falls?

    For a flight from Niagara Falls to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 20.4 km from the centre of the city. Lambert-St Louis is the only St. Louis airport and it handles 2 inbound flights from Niagara Falls per day. 2 airlines have flights to Lambert-St Louis from Niagara Falls on a regular basis.

  • Can I find flights from Niagara Falls to St. Louis for under C$ 400 on Cheapflights?

    Yes, there are multiple flights from Niagara Falls to St. Louis for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 369, but on average you can expect to pay C$ 572.

  • Are there direct flights from Niagara Falls to St. Louis for under C$ 600 on Cheapflights?

    Cheapflights has 17 direct flights from Niagara Falls to St. Louis under C$ 600. A good price for a direct flight from Niagara Falls to St. Louis is less than C$ 808.

  • Are there last-minute flights available from Niagara Falls to St. Louis for under C$ 900?

    There are currently 16+ open flights from Niagara Falls to St. Louis within the next 7 days for less than C$ 900.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 323. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Niagara Falls to St. Louis for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Niagara Falls to St. Louis on time: Air Canada (82%), Jazz (82%), United Airlines (82%).

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

    On average you can expect to pay C$ 510 for a flight from Niagara Falls to St. Louis. The cheapest flight overall is C$ 320 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 374.

  • What does YYZ to STL mean?

    YYZ and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YYZ to STL refers to a flight route from Toronto Pearson Intl Airport to Lambert-St Louis Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF).

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

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

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

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

    Many airlines do 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 Niagara Falls to St. Louis?

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

    The Niagara Falls to St. Louis flight deals you see on this page were last updated on 16/4.

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

Pearson Intl to St. Louis flights
Pearson Intl to Kansas City flights
Ottawa to Kansas City flights
Pearson Intl to Springfield flights
Pearson Intl to Columbia flights
Ottawa to St. Louis flights

Top 2 airlines flying from Niagara Falls to St. Louis

Discover the top 2 airlines that operate flights from Niagara Falls to St. Louis. 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 508,882 searches. Data last updated 16 April 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 410AverageC$ 617FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 477AverageC$ 628FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Toronto to Oslo flights
Toronto to Ottawa flights
Saskatoon to Winnipeg flights
London, Ontario to Winnipeg flights
Montreal to Sydney flights
Montreal to Milan flights
Montreal to Atlanta flights
Toronto to Charlottetown flights
Edmonton to Calgary flights
Vancouver to Denver flights
Toronto to Qatar flights
Niagara Falls to London Stansted Airport flights

Search flights from Niagara Falls to St. Louis by cabin class

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

Find hourly flight availability from Niagara Falls to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 April 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Niagara Falls to St. Louis

Explore weekly flight availability from Niagara Falls to St. Louis. 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 16 April 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 Nuuk
Flights to Milas–Bodrum
Flights to Muenster
Flights to Bodø
Flights to Belp
Flights to Gainesville Regional
Flights to Genoa Cristoforo Colombo
Flights to Butuan
Flights to Dalaman
Flights to Corfu Ioannis Kapodistrias
Flights to Chittagong Patenga
Flights to Sioux Falls Joe Foss Field
Flights to Lexington Blue Grass
Flights to Košice Barca
Flights to Changsha Huanghua Intl
Flights to Grand Junction Regnl
Flights to Konya
Flights to Atlantic City
Flights to Alghero-Fertilia
Flights to General Santos Intl
Flights to Amarillo
Flights to Alexandria Borg El Arab
Flights to Kayseri
Flights to Brindisi Papola Casale

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 Niagara Falls to St. Louis?

Deals for Niagara Falls to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Niagara Falls to St. Louis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Niagara Falls to St. Louis with no change fees?

Certainly. Search results for flights to St. Louis from Niagara Falls 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 Niagara Falls to St. Louis become cheaper?

Of course! You can now track prices for flights from Niagara Falls to St. Louis and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price 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