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Niagara Falls

$125+ Cheap flights from St. Louis (STL) to Niagara Falls, Canada

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
janv. 21 — janv. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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The best prices from Lambert-St Louis to Niagara Falls are usually found in May or February, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 janvier 16, 2025.

Round-trip from

$330
(Kiwi.com)

One-way from

$125
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$290
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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High demand for flights, 8% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from St. Louis to Niagara Falls

Cheapest flights from St. Louis to Niagara Falls
Explore the most affordable flight options available from St. Louis to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/285:05 pmSTL - YYZ
1 stop17h 40mMultiple Airlines
jeu. 2/207:05 amYYZ - STL
1 stop8h 37mMultiple Airlines
Deal found 1/16$330
This WestJet deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/2411:19 amSTL - YYZ
2 stops24h 18mWestJet
mer. 3/2610:05 amYYZ - STL
1 stop5h 44mWestJet
Deal found 1/16$497
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/271:35 pmSTL - YYZ
1 stop9h 04mDelta
sam. 3/110:05 amYYZ - STL
1 stop8h 52mDelta
Deal found 1/16$515
This Alaska Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/193:11 pmSTL - YYZ
1 stop22h 44mAlaska Airlines
lun. 3/244:20 pmYYZ - STL
1 stop22h 55mAlaska Airlines
Deal found 1/16$547
This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/47:20 amSTL - YYZ
1 stop13h 12mAmerican Airlines
mar. 2/1110:59 amYYZ - STL
1 stop12h 09mAmerican Airlines
Deal found 1/16$559
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/88:25 amSTL - YYZ
1 stop14h 29mUnited Airlines
mar. 4/151:20 pmYYZ - STL
2 stops27h 27mUnited Airlines
Deal found 1/16$639
This Air Canada deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/1211:05 amSTL - YYZ
1 stop6h 36mAir Canada
dim. 3/161:50 pmYYZ - STL
Nonstop2h 16mAir Canada
Deal found 1/15$650

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 2,558,603 searches. Data last updated janvier 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mar. 1/28

5:05 pm-11:45 am

1 stop17h 40m

Toronto Pearson Intl

jeu. 2/20

7:05 am-2:42 pm

1 stop8h 37m

$330

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

lun. 3/24

11:19 am-12:37 pm

2 stops24h 18m

Toronto Pearson Intl

mer. 3/26

10:05 am-2:49 pm

1 stop5h 44m

$497

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

jeu. 2/27

1:35 pm-11:39 pm

1 stop9h 04m

Toronto Pearson Intl

sam. 3/1

10:05 am-5:57 pm

1 stop8h 52m

$515

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mer. 3/19

3:11 pm-2:55 pm

1 stop22h 44m

Toronto Pearson Intl

lun. 3/24

4:20 pm-2:15 pm

1 stop22h 55m

$547

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mar. 2/4

7:20 am-9:32 pm

1 stop13h 12m

Toronto Pearson Intl

mar. 2/11

10:59 am-10:08 pm

1 stop12h 09m

$559

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mar. 4/8

8:25 am-11:54 pm

1 stop14h 29m

Toronto Pearson Intl

mar. 4/15

1:20 pm-3:47 pm

2 stops27h 27m

$639

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mer. 3/12

11:05 am-6:41 pm

1 stop6h 36m

Toronto Pearson Intl

dim. 3/16

1:50 pm-3:06 pm

Nonstop2h 16m

$650

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

dim. 2/9

4:28 pm-12:12 am

1 stop30h 44m

$125

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mer. 2/12

6:00 am-4:34 pm

1 stop9h 34m

$216

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

mer. 2/12

6:30 am-10:15 pm

2 stops14h 45m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 11 results
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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.

Travel insights for flights from St. Louis to Niagara Falls

Get recent, data-driven insights about flights from St. Louis to Niagara Falls including ideal travel times, pricing trends, and more.

How far ahead should I 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 January 10, 2025.

Booking 81 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.

What is the cheapest month 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 $243). Flying from St. Louis to Niagara Falls in July is currently the most expensive (average of $359). 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.

What is the cheapest time of day to fly from STL to NI4?

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 janvier 16, 2025.

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.

Rainfall in Niagara Falls by month

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

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

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

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 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 janvier 16, 2025.
To help decide which airline to fly from St. Louis to Niagara Falls, see what other customers have to say about WestJet, American Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,824 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 is 1 flight from Lambert-St Louis to Niagara Falls per day from 3 different airlines.

  • 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 $216 on American Airlines. Other airlines that offer cheap prices include United Airlines from $273 and Air Canada from $336 one-way.

  • 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 Air Canada (74%), Jazz (74%) and United Airlines (74%).

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

    Looking at all options, your cheapest flight can be booked for $162. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $351 on average our data indicates $1,358 when flying from St. Louis to Niagara Falls.

  • 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.

  • What is the cheapest month 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 $243). Flying from St. Louis to Niagara Falls in July is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 2,558,603 searches. Data last updated janvier 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$200Average$484FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$226Average$557FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$304Average$553FlexibilityNo cancel feeOn-time71%
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