HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$139+ Cheap flights from Missouri 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Niagara Falls

Keep the following information in mind while searching for Missouri to Niagara Falls flight deals. Data was last updated April 24, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$334
(American Airlines)

One-way from

$139
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$699
Provider with most accurate pricing for Kansas City-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Toronto (YTO) flights.
Search Deals
From Missouri to Niagara Falls
Search Deals
One-way flight from Missouri to Niagara Falls
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Missouri to Niagara Falls

Cheapest flights from Missouri to Niagara Falls
Explore the most affordable flight options available from Missouri to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/225:00 amSTL - YYZ
1 stop11h 35mAmerican Airlines
Thu 5/293:10 pmYYZ - STL
1 stop9h 41mAmerican Airlines
Deal found 4/23$334
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 6/165:00 amMCI - YYZ
1 stop11h 40mAmerican Airlines
Tue 6/246:30 amYYZ - MCI
1 stop10h 57mAmerican Airlines
Deal found 4/23$334
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 5/1611:43 amMCI - YYZ
1 stop8h 25mMultiple Airlines
Mon 5/194:00 pmYYZ - MCI
1 stop7h 41mMultiple Airlines
Deal found 4/24$341
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:50 amSTL - YYZ
2 stops10h 18mMultiple Airlines
Fri 5/97:00 amYYZ - STL
3 stops27h 15mMultiple Airlines
Deal found 4/23$368
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 6/96:30 amSTL - YYZ
1 stop8h 16mUnited Airlines
Mon 6/99:00 pmYYZ - STL
1 stop19h 30mUnited Airlines
Deal found 4/23$396
This Air Canada deal was found by Cheapflights users on 4/22. 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.
Sun 6/17:30 amSTL - YYZ
Nonstop1h 55mAir Canada
Fri 6/611:30 amYYZ - STL
Nonstop2h 06mAir Canada
Deal found 4/22$402
This Delta deal was found by Cheapflights users on 4/24. 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.
Thu 9/2510:45 amSTL - YYZ
1 stop5h 38mDelta
Sun 9/286:15 amYYZ - STL
1 stop5h 56mDelta
Deal found 4/24$446
This Delta deal was found by Cheapflights users on 4/22. 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 10/2110:20 amMCI - YYZ
1 stop6h 03mDelta
Thu 10/309:45 amYYZ - MCI
1 stop4h 35mDelta
Deal found 4/22$513
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 6/78:00 amMCI - YYZ
1 stop9h 32mUnited Airlines
Sat 6/147:00 amYYZ - MCI
1 stop8h 25mUnited Airlines
Deal found 4/22$530
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/247:15 amSGF - YYZ
1 stop9h 20mAmerican Airlines
Sat 6/76:30 amYYZ - SGF
1 stop11h 33mAmerican Airlines
Deal found 4/23$533
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 6/226:19 amCOU - YYZ
1 stop10h 21mAmerican Airlines
Sat 6/286:30 amYYZ - COU
1 stop16h 17mAmerican Airlines
Deal found 4/23$544
This WestJet deal was found by Cheapflights users on 4/22. 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.
Mon 6/26:00 amSTL - YYZ
2 stops11h 04mWestJet
Wed 6/410:20 amYYZ - STL
1 stop5h 48mWestJet
Deal found 4/22$573

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri 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 April 24, 2025.
Use the filters below to find and compare flights from Missouri to Niagara Falls that are best for you.

Fly from

Missouri

Fly to

Niagara Falls

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 5/22

5:00 am-5:35 pm

1 stop11h 35m

Toronto Pearson Intl

Thu 5/29

3:10 pm-11:51 pm

1 stop9h 41m

$334

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 6/16

5:00 am-5:40 pm

1 stop11h 40m

Toronto Pearson Intl

Tue 6/24

6:30 am-4:27 pm

1 stop10h 57m

$334

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 5/16

11:43 am-9:08 pm

1 stop8h 25m

Toronto Pearson Intl

Mon 5/19

4:00 pm-10:41 pm

1 stop7h 41m

$341

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 5/8

9:50 am-9:08 pm

2 stops10h 18m

Toronto Pearson Intl

Fri 5/9

7:00 am-9:15 am

3 stops27h 15m

$368

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 6/9

6:30 am-3:46 pm

1 stop8h 16m

Toronto Pearson Intl

Mon 6/9

9:00 pm-3:30 pm

1 stop19h 30m

$396

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/1

7:30 am-10:25 am

Nonstop1h 55m

Toronto Pearson Intl

Fri 6/6

11:30 am-12:36 pm

Nonstop2h 06m

$402

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 9/25

10:45 am-5:23 pm

1 stop5h 38m

Toronto Pearson Intl

Sun 9/28

6:15 am-11:11 am

1 stop5h 56m

$446

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 10/21

10:20 am-5:23 pm

1 stop6h 03m

Toronto Pearson Intl

Thu 10/30

9:45 am-1:20 pm

1 stop4h 35m

$513

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 6/7

8:00 am-6:32 pm

1 stop9h 32m

Toronto Pearson Intl

Sat 6/14

7:00 am-2:25 pm

1 stop8h 25m

$530

SpringfieldToronto

SGF - YYZ

SGFYYZ

Springfield-Branson

Sat 5/24

7:15 am-5:35 pm

1 stop9h 20m

Toronto Pearson Intl

Sat 6/7

6:30 am-5:03 pm

1 stop11h 33m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Missouri to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Niagara Falls

What is the cheapest month to book a flight from Missouri to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Missouri to Niagara Falls (average of $243). Flying from Missouri 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 MO to NI4?

Find hourly flight availability from Missouri 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 April 24, 2025.

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

Weekly flight availability from Missouri to Niagara Falls

Explore weekly flight availability from Missouri 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 April 24, 2025.

The most flights from USMO to NI4 are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 April 24, 2025.
Read through reviews of airlines operating flights from Missouri to Niagara Falls, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Missouri 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 are the cheapest airlines to fly from Missouri to Niagara Falls one-way?

    The cheapest airlines for a one-way flight from Missouri to Niagara Falls are American Airlines ($139), Air Canada ($176), and Delta ($211).

  • What are the most popular routes from Missouri to Niagara Falls?

    Most travelers choose Lambert-St Louis - Toronto Pearson Intl, Kansas City - Toronto Pearson Intl or Columbia Regional - Toronto Pearson Intl when deciding on the best route from Missouri to Niagara Falls.

  • What are the most reliable airlines from Missouri to Niagara Falls?

    Before booking your flight to Niagara Falls from Missouri, check out the most reliable airlines to get you to your destination on time: Air Canada (78%), Jazz (78%), United Airlines( 78%).

  • What are the cheapest flights from Missouri to Niagara Falls?

    Looking for the cheapest flight from Missouri to Niagara Falls? While on average our users pay $1,753, our data indicates the cheapest price to be $194. The most popular route (Lambert-St Louis - Toronto Pearson Intl), is priced around $332.

  • Can I find deals for flights from Missouri to Niagara Falls that include hotel bookings?

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

  • How can I find direct flights from Missouri to Niagara Falls?

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

  • Can I find deals for business class flights from Missouri to Niagara Falls?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Niagara Falls (average of $243). Flying from Missouri 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

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 Missouri to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
LaGuardia to Pearson Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
Reagan-National to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
Boston to Pearson Intl flights
Seattle to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Hobby to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Boston to Toronto Island flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
San Francisco to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Baltimore to Pearson Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Toronto Island flights
Philadelphia to Pearson Intl flights
Orlando to Pearson Intl flights
Minneapolis to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
San Diego to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Ontario to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Austin to Pearson Intl flights
Midway to Pearson Intl flights
Los Angeles to Toronto Island flights
San Francisco to Region of Waterloo Intl flights
Miami to Pearson Intl flights

Top 5 airlines flying from Missouri to Niagara Falls

Discover the top 5 airlines that operate flights from Missouri 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$214Average$520FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$237Average$587FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$304Average$633FlexibilityNo cancel feeOn-time71%
DeltaCheapest$462Average$681FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$497Average$727FlexibilityNo cancel feeOn-time60%

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.