Niagara Falls

$119+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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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 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 November 4, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$308
(Kiwi.com)

One-way from

$119
(Kiwi.com)
High demand for flights, 25% potential price rise
Best time to find cheap flights, 48% potential price drop
From Lambert-St Louis to Niagara Falls
One-way flight from Lambert-St Louis to Niagara Falls

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 November 4, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 11/195:29 pmSTL - YYZ
1 stop20h 48mMultiple Airlines
Wed 11/208:00 pmYYZ - STL
1 stop22h 41mMultiple Airlines
Deal found 11/3$308
This WestJet deal was found by Cheapflights users on 11/3. 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.
Tue 11/195:34 pmSTL - YYZ
1 stop5h 25mWestJet
Wed 11/206:30 amYYZ - STL
2 stops29h 10mWestJet
Deal found 11/3$453
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 12/311:25 amSTL - YYZ
1 stop4h 14mDelta
Tue 12/106:30 amYYZ - STL
1 stop9h 30mDelta
Deal found 11/3$542
This Kissandfly.com deal was found by Cheapflights users on 11/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:03 amSTL - YYZ
1 stop12h 26mBritish Airways
Fri 12/276:20 pmYYZ - STL
1 stop4h 59mBritish Airways
Deal found 11/2$544
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 11/287:00 amSTL - YYZ
1 stop30h 55mAlaska Airlines
Sun 12/84:20 pmYYZ - STL
1 stop22h 04mAlaska Airlines
Deal found 11/3$549
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:00 amSTL - YYZ
1 stop4h 42mAir Canada
Fri 12/271:50 pmYYZ - STL
Nonstop2h 16mAir Canada
Deal found 11/2$558
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 11/283:50 pmSTL - YYZ
Nonstop1h 55mUnited Airlines
Sun 12/81:50 pmYYZ - STL
Nonstop2h 16mUnited Airlines
Deal found 11/3$584
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/135:05 amSTL - YYZ
1 stop5h 09mAmerican Airlines
Tue 1/1410:54 amYYZ - STL
1 stop10h 15mAmerican Airlines
Deal found 11/3$593

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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 12/3

5:02 pm-2:24 pm

1 stop20h 22m

$119

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 12/16

3:50 pm-6:45 pm

Nonstop1h 55m

$290

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 1/2

6:15 am-4:38 pm

1 stop9h 23m

$294

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 1/2

8:00 am-6:57 pm

2 stops9h 57m

$304

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 11/11

6:00 am-12:59 pm

1 stop5h 59m

$467

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 11/19

5:29 pm-3:17 pm

1 stop20h 48m

Toronto Pearson Intl

Wed 11/20

8:00 pm-5:41 pm

1 stop22h 41m

$308

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 11/19

5:34 pm-11:59 pm

1 stop5h 25m

Toronto Pearson Intl

Wed 11/20

6:30 am-10:40 am

2 stops29h 10m

$453

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 12/23

5:03 am-6:29 pm

1 stop12h 26m

Toronto Pearson Intl

Fri 12/27

6:20 pm-10:19 pm

1 stop4h 59m

$544

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 11/28

12:45 pm-1:11 pm

1 stop23h 26m

Toronto Pearson Intl

Sun 12/8

10:05 am-1:24 pm

1 stop4h 19m

$551

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 2/10

2:49 pm-3:05 pm

1 stop23h 16m

Toronto Pearson Intl

Wed 2/19

4:10 pm-11:59 pm

1 stop32h 49m

$555

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 13 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 November 1, 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.

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 $242). 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 November 4, 2024.

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.

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 November 4, 2024.

The most flights from STL to NI4 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 November 4, 2024.
To help decide which airline to fly from St. Louis to Niagara Falls, see what other customers have to say about United Airlines, American Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
9,423 reviews
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
8,829 reviews
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.4
Good
9,226 reviews
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.3
Good
2,803 reviews
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.2
Good
10,000 reviews
8.0
Very good
9,423 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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 $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Niagara Falls for under $400. The cheapest flight booked recently is on Multiple Airlines for just $308, but on average you can expect to pay $515.

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

    Cheapflights has at least 3 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 $614.

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

    There are currently 6+ 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 $322 on Air Canada. Other airlines that offer cheap prices include American Airlines from $465 and Delta from $467 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 (91%), Jazz (91%) and United Airlines (91%).

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

    Looking at all options, your cheapest flight can be booked for $263. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $308 on average our data indicates $1,097 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 Region of Waterloo Intl 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 11/3.

  • 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 $242). 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$197Average$476FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$225Average$533FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$347Average$533FlexibilityNo cancel feeOn-time71%
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