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Niagara Falls

$110+ Cheap flights from Missouri to Niagara Falls, ON, 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$110
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$544
Provider with most accurate pricing for Lambert-St Louis-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Toronto (YTO) flights.
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From Missouri to Niagara Falls
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One-way flight from Missouri to Niagara Falls
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Sat 11/151:23 pmMCI - YYZ
1 stop15h 57mMultiple Airlines
Sun 11/238:00 pmYYZ - MCI
1 stop17h 03mMultiple Airlines
Deal found 10/19$313
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Thu 12/112:57 pmSTL - YYZ
1 stop22h 43mMultiple Airlines
Sun 12/148:30 pmYYZ - STL
2 stops14h 22mMultiple Airlines
Deal found 10/18$314
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Thu 12/43:47 pmMCI - YYZ
1 stop7h 24mMultiple Airlines
Thu 12/117:15 amYYZ - MCI
2 stops16h 51mMultiple Airlines
Deal found 10/19$317
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Thu 11/67:02 pmSTL - YYZ
1 stop18h 38mMultiple Airlines
Tue 11/1112:40 pmYYZ - STL
2 stops21h 27mMultiple Airlines
Deal found 10/19$322
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/47:41 pmMCI - YYZ
1 stop14h 15mAmerican Airlines
Sun 12/71:10 pmYYZ - MCI
1 stop9h 19mAmerican Airlines
Deal found 10/20$323
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Thu 11/2710:53 amSTL - YYZ
2 stops32h 07mMultiple Airlines
Tue 12/27:15 amYYZ - STL
1 stop16h 18mMultiple Airlines
Deal found 10/20$336
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Wed 12/103:30 pmSTL - YYZ
1 stop7h 41mMultiple Airlines
Sun 12/147:15 amYYZ - STL
2 stops27h 37mMultiple Airlines
Deal found 10/18$348
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 12/27:42 pmMCI - YYZ
1 stop14h 14mAmerican Airlines
Sat 12/136:00 amYYZ - MCI
1 stop14h 03mAmerican Airlines
Deal found 10/20$349
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/276:00 amSTL - YYZ
1 stop10h 40mAmerican Airlines
Tue 12/24:44 pmYYZ - STL
1 stop8h 12mAmerican Airlines
Deal found 10/18$352
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/283:53 pmSTL - YYZ
2 stops15h 45mMultiple Airlines
Tue 12/27:15 amYYZ - STL
1 stop16h 18mMultiple Airlines
Deal found 10/20$355
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/152:05 pmCOU - YYZ
1 stop21h 27mAmerican Airlines
Sat 11/224:44 pmYYZ - COU
1 stop20h 14mAmerican Airlines
Deal found 10/18$357
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/67:03 pmCOU - YYZ
1 stop16h 29mAmerican Airlines
Thu 11/1311:32 amYYZ - COU
1 stop11h 23mAmerican Airlines
Deal found 10/17$362

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 October 20, 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

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 1/8

6:00 am-6:20 pm

1 stop11h 20m

Toronto Pearson Intl

Mon 1/12

7:00 pm-10:07 am

1 stop16h 07m

$306

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 11/15

1:23 pm-6:20 am

1 stop15h 57m

Toronto Pearson Intl

Sun 11/23

8:00 pm-12:03 pm

1 stop17h 03m

$313

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 12/4

3:47 pm-12:11 am

1 stop7h 24m

Toronto Pearson Intl

Thu 12/11

7:15 am-11:06 pm

2 stops16h 51m

$317

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 12/11

2:57 pm-2:40 pm

1 stop22h 43m

Toronto Pearson Intl

Sun 12/14

8:00 pm-8:59 am

1 stop13h 59m

$334

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sat 11/15

2:05 pm-12:32 pm

1 stop21h 27m

Toronto Pearson Intl

Sat 11/22

4:44 pm-11:58 am

1 stop20h 14m

$357

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Thu 11/6

7:03 pm-12:32 pm

1 stop16h 29m

Toronto Pearson Intl

Thu 11/13

11:32 am-9:55 pm

1 stop11h 23m

$362

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Thu 11/6

7:03 pm-10:52 am

1 stop14h 49m

Toronto Pearson Intl

Wed 11/12

4:44 pm-11:11 am

1 stop19h 27m

$362

SpringfieldToronto

SGF - YYZ

SGFYYZ

Springfield-Branson

Wed 12/3

7:00 am-4:03 pm

1 stop8h 03m

Toronto Pearson Intl

Wed 12/10

11:36 am-8:48 pm

1 stop10h 12m

$367

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 1/9

7:00 am-6:47 am

1 stop22h 47m

Toronto Pearson Intl

Wed 1/14

5:15 pm-12:39 pm

1 stop20h 24m

$381

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 11/28

4:13 pm-2:20 pm

1 stop21h 07m

Toronto Pearson Intl

Tue 12/2

7:15 am-10:33 pm

1 stop16h 18m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 47 results
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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, June is the cheapest month in which you can book a flight from Missouri to Niagara Falls (average of $179). Flying from Missouri to Niagara Falls in February is currently the most expensive (average of $364). 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 October 20, 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 October 20, 2025.

The most flights from USMO to NI4 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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.

  • How long is the flight from Missouri to Niagara Falls?

    Airlines like American Airlines and United Airlines fly from Missouri to Niagara Falls in about 11h 20m. The time it takes to get you to your destination can typically vary by up to 1h 01m. Airlines will cover a distance of 836 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 (93%), Jazz (93%), United Airlines( 93%).

  • 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 $1,251, our data indicates the cheapest price to be $198. The most popular route (Lambert-St Louis - Toronto Pearson Intl), is priced around $284.

  • 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, June is the cheapest month in which you can book a flight from Missouri to Niagara Falls (average of $179). Flying from Missouri to Niagara Falls in February is currently the most expensive (average of $364). 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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Alternative routes for Missouri to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$214Average$657FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$220Average$609FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$391Average$637FlexibilityNo cancel feeOn-time71%
WestJetCheapest$525Average$748FlexibilityNo cancel feeOn-time60%
DeltaCheapest$567Average$722FlexibilityNo cancel feeOn-timeN/A

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