How many flights depart from Missouri to Region of Ontario on average per day?

As of May 2026, there are 6 flights per day flying from Missouri to Region of Ontario. The most common time of day flights depart is 7:00a.m., with 50% of flights taking off at noon.

How long is the flight from Missouri to Region of Ontario?

The flight from Missouri to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from St. Louis (a popular airport in Missouri) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 1h 51m on average. If you fly from Springfield (another popular airport in Missouri) to Toronto Pearson Intl Airport, then the average flight time is 4h 24m.

How many flights depart from Missouri to Region of Ontario on average per week?

The number of flights available between Missouri and Region of Ontario is 42 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What is the cheapest airline that flies from Missouri to Ontario?

American Airlines, United Airlines, and Air Canada are the most popular carriers operating from Missouri to Ontario

When did momondo last update prices for flights from Missouri to Ontario?

Prices for flights from Missouri to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Ontario?

The number of operators available for flights from Missouri to Ontario is 1 as of May 2026.

How old do you have to be to fly from Missouri to Ontario?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 218 Cheap Flights from Missouri to Ontario in 2026

1 adult

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Find the cheapest flights from Missouri to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:03 a.m. - 5:44 p.m.

STL

YYZ

9h 41m

1 stop

1:15 p.m. - 12:16 a.m.

YYZ

STL

12h 01m

1 stop

C$ 518American Airlines

Wed, 17 Jun - Wed, 24 Jun

9:09 a.m. - 5:44 p.m.

STL

YYZ

7h 35m

1 stop

3:13 p.m. - 12:16 a.m.

YYZ

STL

10h 03m

1 stop

C$ 537American Airlines

Wed, 17 Jun - Wed, 24 Jun

4:17 p.m. - 4:45 p.m.

STL

YYZ

23h 28m

1 stop

4:45 p.m. - 6:36 p.m.

YYZ

STL

26h 51m

2 stops

C$ 620Multiple Airlines

Wed, 1 Jul - Sun, 5 Jul

10:35 a.m. - 2:30 p.m.

STL

YYZ

26h 55m

2 stops

7:45 a.m. - 7:39 p.m.

YYZ

STL

12h 54m

1 stop

C$ 641Multiple Airlines

Tue, 15 Sep - Thu, 15 Oct

1:20 p.m. - 4:55 p.m.

STL

YUL

2h 35mdirect

6:30 p.m. - 8:25 p.m.

YUL

STL

2h 55mdirect

C$ 654Air Canada

Sat, 20 Jun - Mon, 22 Jun

2:15 p.m. - 5:06 p.m.

STL

YYZ

1h 51mdirect

11:15 a.m. - 12:21 p.m.

YYZ

STL

2h 06mdirect

C$ 656Air Canada

Sat, 13 Jun - Fri, 19 Jun

5:26 p.m. - 12:15 p.m.

MCI

YYZ

17h 49m

1 stop

11:00 a.m. - 9:38 a.m.

YYZ

MCI

23h 38m

2 stops

C$ 828WestJet

Wed, 9 Sep - Fri, 11 Sep

7:53 a.m. - 9:35 p.m.

MCI

YOW

12h 42m

1 stop

6:25 a.m. - 4:12 p.m.

YOW

MCI

10h 47m

1 stop

C$ 834United Airlines

Mon, 10 Aug - Fri, 14 Aug

12:30 p.m. - 6:48 p.m.

MCI

YOW

5h 18m

1 stop

6:05 a.m. - 4:12 p.m.

YOW

MCI

11h 07m

2 stops

C$ 848United Airlines

Mon, 10 Aug - Fri, 14 Aug

6:20 a.m. - 12:20 a.m.

MCI

YOW

17h 00m

2 stops

6:25 p.m. - 12:13 p.m.

YOW

MCI

18h 48m

2 stops

C$ 1,568WestJet

Wed, 1 Jul - Thu, 23 Jul

WestJet flights from Missouri to Region of Ontario

Our best WestJet deals on Missouri to Region of Ontario flight tickets

WestJet

8 Jul

STL1:22 p.m.Lambert-St Louis

7h 39m

1 stop

YYZ10:01 p.m.Toronto Pearson Intl

15 Jul

YYZ6:00 a.m.Toronto Pearson Intl

4h 43m

1 stop

STL9:43 a.m.Lambert-St Louis

C$ 745

WestJet

13 Jul

STL6:04 p.m.Lambert-St Louis

3h 58m

1 stop

YYZ11:02 p.m.Toronto Pearson Intl

20 Jul

YYZ6:34 p.m.Toronto Pearson Intl

6h 19m

1 stop

STL11:53 p.m.Lambert-St Louis

C$ 763

WestJet

6 Jul

STL10:20 a.m.Lambert-St Louis

3h 59m

1 stop

YYZ3:19 p.m.Toronto Pearson Intl

10 Jul

YYZ6:30 a.m.Toronto Pearson Intl

4h 58m

1 stop

STL10:28 a.m.Lambert-St Louis

C$ 764

American Airlines flights from Missouri to Region of Ontario

Our best American Airlines deals on Missouri to Region of Ontario flight tickets

American Airlines

17 Jun

STL7:03 a.m.Lambert-St Louis

9h 41m

1 stop

YYZ5:44 p.m.Toronto Pearson Intl

24 Jun

YYZ1:15 p.m.Toronto Pearson Intl

12h 01m

1 stop

STL12:16 a.m.Lambert-St Louis

C$ 518

American Airlines

17 Jun

STL9:09 a.m.Lambert-St Louis

7h 35m

1 stop

YYZ5:44 p.m.Toronto Pearson Intl

24 Jun

YYZ3:13 p.m.Toronto Pearson Intl

10h 03m

1 stop

STL12:16 a.m.Lambert-St Louis

C$ 537

American Airlines

17 Jun

STL7:03 a.m.Lambert-St Louis

9h 41m

1 stop

YYZ5:44 p.m.Toronto Pearson Intl

24 Jun

YYZ3:13 p.m.Toronto Pearson Intl

10h 03m

1 stop

STL12:16 a.m.Lambert-St Louis

C$ 566

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 17/6

7:03 a.m.-5:44 p.m.

1 stop9h 41m

Toronto Pearson Intl

Wed 24/6

1:15 p.m.-12:16 a.m.

1 stop12h 01m

C$ 518

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 17/6

9:09 a.m.-5:44 p.m.

1 stop7h 35m

Toronto Pearson Intl

Wed 24/6

3:13 p.m.-12:16 a.m.

1 stop10h 03m

C$ 537

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 1/7

4:17 p.m.-4:45 p.m.

1 stop23h 28m

Toronto Pearson Intl

Sun 5/7

4:45 p.m.-6:36 p.m.

2 stops26h 51m

C$ 620

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 15/9

10:35 a.m.-2:30 p.m.

2 stops26h 55m

Toronto Pearson Intl

Thu 15/10

7:45 a.m.-7:39 p.m.

1 stop12h 54m

C$ 641

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 20/6

1:20 p.m.-4:55 p.m.

Nonstop2h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

6:30 p.m.-8:25 p.m.

Nonstop2h 55m

C$ 654

Quickest round-trip

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 13/6

2:15 p.m.-5:06 p.m.

Nonstop1h 51m

Toronto Pearson Intl

Fri 19/6

11:15 a.m.-12:21 p.m.

Nonstop2h 06m

C$ 656

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 9/9

5:26 p.m.-12:15 p.m.

1 stop17h 49m

Toronto Pearson Intl

Fri 11/9

11:00 a.m.-9:38 a.m.

2 stops23h 38m

C$ 828

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 10/8

7:53 a.m.-9:35 p.m.

1 stop12h 42m

Ottawa

Fri 14/8

6:25 a.m.-4:12 p.m.

1 stop10h 47m

C$ 834

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 10/8

12:30 p.m.-6:48 p.m.

1 stop5h 18m

Ottawa

Fri 14/8

6:05 a.m.-4:12 p.m.

2 stops11h 07m

C$ 848

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 1/7

6:20 a.m.-12:20 a.m.

2 stops17h 00m

Ottawa

Thu 23/7

6:25 p.m.-12:13 p.m.

2 stops18h 48m

C$ 1,568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, August is the cheapest month to fly from Missouri to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 135. If you are unable to visit Region of Ontario during the month of August, then departing from Missouri during the month July is also very affordable. Most momondo users find prices during this month for around C$ 192.

What is the cheapest Missouri to Ontario flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Missouri - Ontario flight prices

What cabin class options are available on Missouri to Region of Ontario flights?

There is only 1 cabin class available to choose from on Missouri to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Region of Ontario flights?

You could potentially save up to 37% on your flight if you consider stops on a Missouri to Region of Ontario flight.

Cheap Missouri to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Region of Ontario

Best price found	C$ 762
Fastest flight time	1h 51m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best flight deal from Missouri to Region of Ontario found on momondo in the last 72 hours is C$ 762

The fastest flight from Missouri to Region of Ontario takes 1h 51m

Direct flights go from Missouri to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Missouri there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Missouri to Ontario

When did momondo last update prices for flights from Missouri to Ontario?
Prices for flights from Missouri to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Ontario?
The number of operators available for flights from Missouri to Ontario is 1 as of May 2026.
How old do you have to be to fly from Missouri to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Missouri to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Missouri to Region of Ontario is Canadair (Bombardier) Regional Jet 900, representing 32.52% of all bookings. The subsequent popular models are Airbus A220-300 at 22.82%, Boeing 787-8 Dreamliner at 15.05%, and Embraer 175 at 11.17%.

Best airlines flying from Missouri to Region of Ontario

Compare and see reviews for airlines that fly from Missouri to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 327	Free Cancellation	Rating 7.1 11,083 reviews		Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Ontario with flexible booking policies on momondo?

Flights from Missouri to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Ontario.

I’m not ready to book a flight from Missouri to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missouri to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.