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$73+ Cheap flights from Missouri to Toronto (YTO)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YTO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Missouri to Toronto

Cheapest flights from Missouri to Toronto
Explore the most affordable flight options available from Missouri to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sun 12/149:54 amSTL - YYZ
1 stop27h 26mMultiple Airlines
Tue 12/167:10 amYYZ - STL
1 stop16h 23mMultiple Airlines
Deal found 12/3$229
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/246:15 pmMCI - YYZ
1 stop28h 05mMultiple Airlines
Wed 12/317:40 amYYZ - MCI
1 stop10h 30mMultiple Airlines
Deal found 12/3$279
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/186:15 pmMCI - YYZ
1 stop16h 28mMultiple Airlines
Tue 1/63:40 pmYYZ - MCI
1 stop26h 30mMultiple Airlines
Deal found 12/4$303
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:30 pmSTL - YYZ
1 stop21h 43mMultiple Airlines
Sun 1/118:00 pmYYZ - STL
1 stop13h 05mMultiple Airlines
Deal found 12/2$327
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:30 pmSTL - YYZ
1 stop7h 41mMultiple Airlines
Sun 12/148:00 pmYYZ - STL
1 stop13h 59mMultiple Airlines
Deal found 12/2$352
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/93:30 pmSTL - YYZ
1 stop21h 43mMultiple Airlines
Fri 12/1212:50 pmYYZ - STL
1 stop10h 43mMultiple Airlines
Deal found 12/1$359
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/83:30 pmSTL - YYZ
1 stop7h 55mMultiple Airlines
Fri 12/1212:50 pmYYZ - STL
1 stop10h 43mMultiple Airlines
Deal found 12/1$362
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/93:30 pmSTL - YYZ
1 stop21h 43mMultiple Airlines
Sat 12/133:25 pmYYZ - STL
1 stop8h 08mMultiple Airlines
Deal found 12/1$368
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/89:54 amSTL - YYZ
1 stop13h 31mMultiple Airlines
Sat 12/133:25 pmYYZ - STL
1 stop8h 08mMultiple Airlines
Deal found 12/1$371
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/83:30 pmSTL - YYZ
1 stop7h 55mMultiple Airlines
Tue 12/97:15 amYYZ - STL
1 stop16h 18mMultiple Airlines
Deal found 12/1$374
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/83:30 pmSTL - YYZ
1 stop7h 55mMultiple Airlines
Thu 12/117:15 amYYZ - STL
2 stops16h 18mMultiple Airlines
Deal found 12/1$377
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/313:47 pmMCI - YYZ
1 stop7h 24mMultiple Airlines
Wed 1/73:40 pmYYZ - MCI
1 stop19h 51mMultiple Airlines
Deal found 12/1$393

Find flight deals from Missouri to Toronto

Keep the following information in mind while searching for Missouri to Toronto flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Kiwi.com)

One-way from

$73
(Trip.com)

Popular in

November

Cheapest in

January

Average price

$379

Good round-trip deal

$578 or less

Good one-way deal

$399 or less
Provider with most accurate pricing for Lambert-St Louis-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Toronto (YTO) flights.
Search Deals
From Missouri to Toronto (YTO)
Search Deals
One-way flight from Missouri to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Missouri to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Toronto 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 December 4, 2025.
Use the filters below to find and compare flights from Missouri to Toronto that are best for you.

Fly from

Missouri

Fly to

Toronto

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 1/27

5:42 pm-2:16 pm

1 stop19h 34m

Toronto Pearson Intl

Thu 1/29

7:10 am-11:33 pm

1 stop17h 23m

$254

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 2/14

10:04 am-9:29 pm

1 stop10h 25m

Toronto Pearson Intl

Sat 2/21

6:00 am-1:56 pm

1 stop8h 56m

$269

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 1/18

1:35 pm-6:47 am

1 stop16h 12m

Toronto Pearson Intl

Thu 1/22

7:15 am-10:23 am

1 stop28h 08m

$294

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 1/20

6:00 am-4:03 pm

1 stop9h 03m

Toronto Pearson Intl

Fri 1/30

6:00 am-6:14 pm

1 stop13h 14m

$295

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 1/20

5:42 pm-2:16 pm

1 stop19h 34m

Toronto Pearson Intl

Fri 1/30

7:15 am-11:33 pm

2 stops17h 18m

$296

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 12/18

6:15 pm-11:43 am

1 stop16h 28m

Toronto Pearson Intl

Tue 1/6

3:40 pm-5:10 pm

1 stop26h 30m

$303

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 1/16

4:05 pm-7:06 pm

Nonstop2h 01m

Toronto Pearson Intl

Sun 1/18

2:00 pm-3:29 pm

Nonstop2h 29m

$331

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 1/17

3:01 pm-10:53 am

1 stop18h 52m

Toronto Pearson Intl

Mon 1/19

7:04 pm-10:07 am

1 stop16h 03m

$346

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 12/24

6:15 pm-5:58 pm

2 stops22h 43m

Toronto Pearson Intl

Wed 12/31

7:40 am-5:10 pm

1 stop10h 30m

$353

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 2/20

8:45 am-11:20 pm

2 stops13h 35m

Toronto Pearson Intl

Mon 2/23

7:15 am-10:33 pm

1 stop16h 18m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 57 results
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Best time to book a flight from Missouri to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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 Toronto

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

Currently, June is the cheapest month in which you can book a flight from Missouri to Toronto (average of $179). Flying from Missouri to Toronto in October is currently the most expensive (average of $516). 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 YTO?

Find hourly flight availability from Missouri to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

When flying from Missouri to Toronto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Missouri to Toronto?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Toronto. 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 Toronto?

    For as low as $269, American Airlines can have you in Toronto from Missouri in 10h 25m. There are 653 mi between Missouri and Toronto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Toronto one-way?

    One-way options have recently been found by users for as low as $177 on United Airlines. Other airlines that offer cheap prices include Air Canada from $177 and American Airlines from $186 one-way.

  • What are the most popular routes from Missouri to Toronto?

    When deciding which route to take from Missouri to Toronto consider Lambert-St Louis - Toronto Pearson Intl, Kansas City - Toronto Pearson Intl or Kansas City - Toronto Island as they are the most popular.

  • What are the most reliable airlines from Missouri to Toronto?

    Before booking your flight to Toronto from Missouri, check out the most reliable airlines to get you to your destination on time: Air Canada (94%), Jazz (94%), United Airlines( 94%).

  • What are the cheapest flights from Missouri to Toronto?

    On average you can expect to pay $1,274 for a flight from Missouri to Toronto. The cheapest flight overall is $255 while the most popular route, (Lambert-St Louis - Toronto Pearson Intl) is currently priced at $229.

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

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

  • How can I find direct flights from Missouri to Toronto?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Toronto 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 Toronto?

    Currently, June is the cheapest month in which you can book a flight from Missouri to Toronto (average of $179). Flying from Missouri to Toronto in October is currently the most expensive (average of $516). 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 Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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Fort Lauderdale to Pearson Intl flights
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Denver to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
San Francisco to Toronto Island flights
Atlanta to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
LaGuardia to Toronto Island flights
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Orlando to Pierre Elliott Trudeau Intl flights
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Minneapolis to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights

Top 5 airlines flying from Missouri to Toronto

Discover the top 5 airlines that operate flights from Missouri to Toronto. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$603FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$220Average$610FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$270Average$620FlexibilityNo cancel feeOn-time71%
WestJetCheapest$525Average$748FlexibilityNo cancel feeOn-time60%
DeltaCheapest$567Average$722FlexibilityNo cancel feeOn-timeN/A

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