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$136+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YTO
May 21 — May 281
Thu 5/21
Thu 5/28
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 April 21, 2026.

This American Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 6/177:00 am
STL
-
YYZ
1 stop9h 42m
American Airlines
Wed 6/241:15 pm
YYZ
-
STL
1 stop8h 11m
American Airlines
Deal found 4/17$335
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 6/74:19 pm
STL
-
YYZ
1 stop7h 11m
Multiple Airlines
Wed 6/104:45 pm
YYZ
-
STL
2 stops26h 51m
Multiple Airlines
Deal found 4/16$392
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/1410:35 am
MCI
-
YYZ
2 stops32h 00m
Multiple Airlines
Sun 5/178:00 pm
YYZ
-
MCI
1 stop14h 29m
Multiple Airlines
Deal found 4/18$414
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Fri 6/195:06 pm
STL
-
YYZ
2 stops26h 49m
Multiple Airlines
Wed 6/247:45 am
YYZ
-
STL
1 stop17h 24m
Multiple Airlines
Deal found 4/18$421
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Sat 6/208:08 pm
STL
-
YYZ
2 stops22h 57m
Multiple Airlines
Wed 6/247:45 am
YYZ
-
STL
1 stop17h 24m
Multiple Airlines
Deal found 4/18$425
This Mytrip deal was found by Cheapflights users on 4/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:05 pm
STL
-
YYZ
1 stop5h 53m
Multiple Airlines
Sun 5/108:25 am
YYZ
-
STL
2 stops11h 11m
Multiple Airlines
Deal found 4/19$427
This American Airlines deal was found by Cheapflights users on 4/18. 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.
Fri 6/196:00 am
STL
-
YYZ
1 stop3h 58m
American Airlines
Wed 6/241:15 pm
YYZ
-
STL
1 stop8h 11m
American Airlines
Deal found 4/18$428
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/145:51 am
STL
-
YYZ
1 stop7h 42m
American Airlines
Thu 5/217:15 am
YYZ
-
STL
1 stop7h 51m
American Airlines
Deal found 4/16$429
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:03 pm
MCI
-
YYZ
2 stops28h 07m
Multiple Airlines
Fri 5/224:50 pm
YYZ
-
MCI
1 stop17h 39m
Multiple Airlines
Deal found 4/17$429
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Thu 6/46:33 pm
STL
-
YYZ
2 stops25h 22m
Multiple Airlines
Mon 6/89:50 am
YYZ
-
STL
1 stop15h 07m
Multiple Airlines
Deal found 4/16$432
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Wed 6/34:19 pm
STL
-
YYZ
1 stop23h 26m
Multiple Airlines
Wed 6/104:45 pm
YYZ
-
STL
2 stops26h 51m
Multiple Airlines
Deal found 4/19$435
This Gotogate deal was found by Cheapflights users on 4/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:05 am
STL
-
YYZ
Nonstop1h 51m
Air Canada
Sun 5/107:00 pm
YYZ
-
STL
Nonstop2h 09m
Air Canada
Deal found 4/19$436

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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$335
(American Airlines)

One-way from

$136
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$605

Good round-trip deal

$809 or less

Good one-way deal

$497 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. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 21, 2026.
Use the filters below to find and compare flights from Missouri to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/5

5:27 pm-8:55 pm

2 stops26h 28m

Toronto Pearson Intl

Fri 6/12

4:50 pm-12:09 am

1 stop8h 19m

$473

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/12

9:23 am-5:56 pm

1 stop7h 33m

Toronto Pearson Intl

Sun 6/14

5:15 pm-9:16 pm

1 stop5h 01m

$529

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 5/28

6:00 am-1:47 pm

1 stop6h 47m

Toronto Pearson Intl

Sat 6/6

7:00 am-10:34 am

1 stop4h 34m

$529

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/11

6:00 am-1:47 pm

1 stop6h 47m

Toronto Pearson Intl

Mon 6/15

7:00 pm-11:35 pm

1 stop5h 35m

$529

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 5/29

6:00 am-1:47 pm

1 stop6h 47m

Toronto Pearson Intl

Sun 5/31

11:00 am-3:46 pm

1 stop5h 46m

$529

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 5/17

6:30 am-11:49 am

1 stop4h 19m

Toronto Pearson Intl

Thu 6/18

8:50 am-2:23 pm

1 stop6h 33m

$529

JoplinToronto

JLN - YYZ

JLNYYZ

Joplin

Sat 5/23

8:54 am-11:18 pm

1 stop13h 24m

Toronto Pearson Intl

Wed 5/27

5:15 pm-1:22 pm

1 stop21h 07m

$545

JoplinToronto

JLN - YYZ

JLNYYZ

Joplin

Sat 5/23

8:54 am-12:35 pm

1 stop26h 41m

Toronto Pearson Intl

Thu 5/28

9:00 pm-1:22 pm

1 stop17h 22m

$545

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Fri 5/8

10:35 am-12:55 pm

2 stops25h 20m

Toronto Island

Sun 5/17

7:00 am-9:29 am

3 stops27h 29m

$576

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 5/29

10:25 am-3:46 pm

1 stop4h 21m

Toronto Pearson Intl

Tue 6/2

8:50 am-3:46 pm

1 stop7h 56m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Missouri to Toronto (average of $134). Flying from Missouri to Toronto in January is currently the most expensive (average of $468). 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 April 21, 2026.

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.

Weekly flight availability from Missouri to Toronto

Explore weekly flight availability from Missouri to Toronto. 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 21, 2026.

The most flights from USMO to YTO 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).

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 $529, United Airlines can have you in Toronto from Missouri in 7h 33m. 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 WestJet from $300 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 (83%), Jazz (83%), United Airlines( 79%).

  • What are the cheapest flights from Missouri to Toronto?

    On average you can expect to pay $1,333 for a flight from Missouri to Toronto. The cheapest flight overall is $253 while the most popular route, (Lambert-St Louis - Toronto Pearson Intl) is currently priced at $420.

  • 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, August is the cheapest month in which you can book a flight from Missouri to Toronto (average of $134). Flying from Missouri to Toronto in January is currently the most expensive (average of $468). 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.
Newark to Toronto Island flights
Newark to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
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Dallas/Fort Worth to Pearson Intl flights
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Seattle to Pearson Intl flights
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Atlanta to Pearson Intl flights
Baltimore to Pearson Intl flights
Orlando to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Boston to Toronto Island flights
George Bush Intcntl to Pearson Intl flights
Minneapolis to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
Philadelphia to Pearson Intl flights
San Diego to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Midway to Pearson Intl flights
Denver to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Miami to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
Miami to Pearson Intl flights
Los Angeles to Toronto Island flights
Seattle to Pierre Elliott Trudeau Intl 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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$593FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$224Average$595FlexibilityNo cancel feeOn-time67%
DeltaCheapest$260Average$723FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$610FlexibilityNo cancel feeOn-time71%
WestJetCheapest$593Average$748FlexibilityNo cancel feeOn-time60%

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