Toronto

$196+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YTO
Jul 4 — Jul 111
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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 June 4, 2026.

This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:09 am
STL
-
YYZ
1 stop7h 35m
American Airlines
Tue 6/301:15 pm
YYZ
-
STL
1 stop12h 01m
American Airlines
Deal found 6/2$407
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/302:32 pm
STL
-
YYZ
1 stop7h 57m
American Airlines
Tue 7/77:17 am
YYZ
-
STL
1 stop7h 36m
American Airlines
Deal found 5/30$429
This American Airlines deal was found by Cheapflights users on 5/31. 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 9/1211:01 am
STL
-
YYZ
1 stop11h 25m
American Airlines
Tue 9/1511:40 am
YYZ
-
STL
1 stop10h 04m
American Airlines
Deal found 5/31$436
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/216:55 am
STL
-
YYZ
1 stop9h 39m
American Airlines
Tue 7/287:17 am
YYZ
-
STL
1 stop10h 23m
American Airlines
Deal found 5/31$450
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/14:17 pm
STL
-
YYZ
1 stop23h 28m
Multiple Airlines
Mon 7/612:55 pm
YYZ
-
STL
2 stops31h 28m
Multiple Airlines
Deal found 6/3$464
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/2911:44 am
COU
-
YYZ
1 stop25h 46m
Multiple Airlines
Mon 8/34:45 pm
YYZ
-
COU
2 stops43h 09m
Multiple Airlines
Deal found 6/3$465
This Air Canada deal was found by Cheapflights users on 5/30. 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.
Wed 6/178:40 am
STL
-
YYZ
Nonstop1h 58m
Air Canada
Wed 6/2411:15 am
YYZ
-
STL
Nonstop2h 06m
Air Canada
Deal found 5/30$465
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Wed 7/224:09 pm
STL
-
YYZ
1 stop23h 36m
Multiple Airlines
Wed 8/54:45 pm
YYZ
-
STL
2 stops26h 51m
Multiple Airlines
Deal found 6/4$470
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Wed 8/124:57 pm
STL
-
YYZ
2 stops20h 08m
Multiple Airlines
Mon 8/178:35 pm
YYZ
-
STL
1 stop22h 33m
Multiple Airlines
Deal found 6/4$472
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/46:34 pm
STL
-
YYZ
2 stops21h 21m
Multiple Airlines
Tue 8/119:50 am
YYZ
-
STL
1 stop15h 09m
Multiple Airlines
Deal found 6/3$474
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Wed 7/224:09 pm
STL
-
YYZ
1 stop23h 36m
Multiple Airlines
Mon 7/271:30 pm
YYZ
-
STL
2 stops29h 07m
Multiple Airlines
Deal found 6/4$475
This Air Canada deal was found by Cheapflights users on 5/31. 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.
Thu 9/38:55 am
STL
-
YYZ
Nonstop1h 57m
Air Canada
Thu 12/32:15 pm
YYZ
-
STL
Nonstop2h 15m
Air Canada
Deal found 5/31$482

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 June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$407
(American Airlines)

One-way from

$196
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$416

Good round-trip deal

$443 or less

Good one-way deal

$451 or less
Provider with most accurate pricing for Lambert-St Louis-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Toronto (YTO) flights.
From Missouri to Toronto (YTO)
One-way flight from Missouri to Toronto (YTO)
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Missouri to Toronto (YTO).
Price to beat on a one-way flight from Missouri to Toronto (YTO).

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 June 4, 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

Tue 6/30

2:32 pm-11:29 pm

1 stop7h 57m

Toronto Pearson Intl

Tue 7/7

7:17 am-1:53 pm

1 stop7h 36m

$429

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/30

7:20 pm-9:55 pm

2 stops25h 35m

Toronto Pearson Intl

Tue 7/7

6:34 pm-11:53 pm

1 stop6h 19m

$517

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/17

6:00 am-1:42 pm

1 stop6h 42m

Toronto Pearson Intl

Sun 6/21

7:00 am-12:11 pm

1 stop6h 11m

$572

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/19

7:30 am-6:44 pm

1 stop10h 14m

Toronto Pearson Intl

Mon 6/22

1:15 pm-12:16 am

1 stop12h 01m

$572

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 7/3

5:06 pm-2:05 pm

2 stops19h 59m

Toronto Pearson Intl

Mon 7/13

7:45 am-12:17 pm

1 stop5h 32m

$579

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 7/2

10:20 am-3:46 pm

1 stop4h 26m

Toronto Pearson Intl

Sun 7/5

7:00 am-12:11 pm

1 stop6h 11m

$593

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 7/9

6:30 am-3:20 pm

1 stop7h 50m

Toronto Pearson Intl

Tue 7/14

6:10 am-9:31 am

1 stop4h 21m

$606

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 7/10

6:30 am-3:20 pm

1 stop7h 50m

Toronto Pearson Intl

Sun 7/12

6:10 am-9:31 am

1 stop4h 21m

$606

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Wed 7/1

10:36 am-11:29 pm

1 stop11h 53m

Toronto Pearson Intl

Tue 7/7

6:15 pm-10:01 am

1 stop16h 46m

$620

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 7/4

5:29 am-12:37 pm

1 stop6h 08m

Toronto Pearson Intl

Fri 7/10

8:10 am-12:45 pm

1 stop5h 35m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

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 June 4, 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.

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

How far ahead should I book a flight from Missouri to Toronto?

The best time to book flights from Missouri to Toronto is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $572, American Airlines can have you in Toronto from Missouri in 6h 42m. 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 Delta from $257 one-way.

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

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$677FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$236Average$586FlexibilityNo cancel feeOn-time67%
DeltaCheapest$260Average$750FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$545FlexibilityNo cancel feeOn-time71%
WestJetCheapest$591Average$684FlexibilityNo cancel feeOn-time60%

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