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 10 per week as of February 2026. The most frequent departure day is Wed, with 20% of weekly flights leaving on this day.

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 Kansas City (another popular airport in Missouri) to Toronto Pearson Intl Airport, then the average flight time is 7h 23m.

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

As of February 2026, there are 1 flights per day flying from Missouri to Region of Ontario. The most common time of day flights depart is 4:00p.m., with 100% of flights taking off in the afternoon.

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

American Airlines, Air Canada, and United Airlines 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 February 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$ 123 Cheap Flights from Missouri to Ontario in 2026

1 adult

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One-way

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Cheap round-trip flights

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5:51 a.m. - 10:53 a.m.

STL

YYZ

4h 02m

1 stop

6:15 a.m. - 11:45 a.m.

YYZ

STL

6h 30m

1 stop

C$ 312American Airlines

Mon, 13 Apr - Thu, 16 Apr

8:00 a.m. - 2:58 p.m.

STL

YUL

5h 58m

1 stop

7:29 a.m. - 1:22 p.m.

YUL

STL

6h 53m

1 stop

C$ 326American Airlines

Sun, 5 Apr - Sun, 12 Apr

5:45 a.m. - 2:08 p.m.

MCI

YYZ

7h 23m

1 stop

7:55 p.m. - 2:06 p.m.

YYZ

MCI

19h 11m

2 stops

C$ 441Multiple Airlines

Tue, 7 Apr - Fri, 17 Apr

5:45 a.m. - 2:08 p.m.

MCI

YYZ

7h 23m

1 stop

11:15 a.m. - 11:09 a.m.

YYZ

MCI

24h 54m

1 stop

C$ 461Multiple Airlines

Tue, 7 Apr - Wed, 15 Apr

6:15 a.m. - 9:35 p.m.

MCI

YOW

14h 20m

1 stop

10:44 a.m. - 7:45 p.m.

YOW

MCI

10h 01m

1 stop

C$ 501United Airlines

Mon, 6 Apr - Mon, 13 Apr

6:15 a.m. - 9:35 p.m.

MCI

YOW

14h 20m

1 stop

5:50 p.m. - 12:24 p.m.

YOW

MCI

19h 34m

2 stops

C$ 515United Airlines

Mon, 6 Apr - Mon, 13 Apr

9:10 a.m. - 6:55 p.m.

STL

YUL

8h 45m

1 stop

6:10 a.m. - 9:08 p.m.

YUL

STL

15h 58m

1 stop

C$ 572Air Canada

Tue, 7 Apr - Tue, 14 Apr

4:05 p.m. - 9:18 p.m.

STL

YXU

4h 13m

1 stop

9:25 a.m. - 3:24 p.m.

YXU

STL

6h 59m

1 stop

C$ 876Air Canada

Sun, 5 Apr - Sun, 12 Apr

6:00 a.m. - 12:16 p.m.

SGF

YYZ

5h 16m

1 stop

2:15 p.m. - 10:35 p.m.

YYZ

SGF

9h 20m

2 stops

C$ 1,017Delta

Sat, 1 Aug - Sat, 8 Aug

6:00 a.m. - 12:16 p.m.

SGF

YYZ

5h 16m

1 stop

2:15 p.m. - 10:35 p.m.

YYZ

SGF

9h 20m

2 stops

C$ 1,018Delta

Sat, 1 Aug - Sat, 8 Aug

United Airlines flights from Missouri to Region of Ontario

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

United Airlines

6 Apr

MCI6:15 a.m.Kansas City

14h 20m

1 stop

YOW9:35 p.m.Ottawa

13 Apr

YOW10:44 a.m.Ottawa

10h 01m

1 stop

MCI7:45 p.m.Kansas City

C$ 501

United Airlines

6 Apr

MCI6:15 a.m.Kansas City

14h 20m

1 stop

YOW9:35 p.m.Ottawa

13 Apr

YOW5:50 p.m.Ottawa

19h 34m

2 stops

MCI12:24 p.m.Kansas City

C$ 515

United Airlines

6 Jun

MCI5:45 p.m.Kansas City

5h 09m

1 stop

YOW11:54 p.m.Ottawa

16 Jun

YOW5:20 p.m.Ottawa

6h 43m

1 stop

MCI11:03 p.m.Kansas City

C$ 586

American Airlines flights from Missouri to Region of Ontario

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

American Airlines

13 Apr

STL5:51 a.m.Lambert-St Louis

4h 02m

1 stop

YYZ10:53 a.m.Toronto Pearson Intl

16 Apr

YYZ6:15 a.m.Toronto Pearson Intl

6h 30m

1 stop

STL11:45 a.m.Lambert-St Louis

C$ 312

American Airlines

5 Apr

STL8:00 a.m.Lambert-St Louis

5h 58m

1 stop

YUL2:58 p.m.Montreal Pierre Elliott Trudeau Intl

12 Apr

YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl

6h 53m

1 stop

STL1:22 p.m.Lambert-St Louis

C$ 326

American Airlines

23 Mar

STL3:33 p.m.Lambert-St Louis

5h 04m

1 stop

YYZ9:37 p.m.Toronto Pearson Intl

28 Mar

YYZ6:00 a.m.Toronto Pearson Intl

13h 00m

1 stop

STL6:00 p.m.Lambert-St Louis

C$ 327

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 13/4

5:51 a.m.-10:53 a.m.

1 stop4h 02m

Toronto Pearson Intl

Thu 16/4

6:15 a.m.-11:45 a.m.

1 stop6h 30m

C$ 312

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 5/4

8:00 a.m.-2:58 p.m.

1 stop5h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:29 a.m.-1:22 p.m.

1 stop6h 53m

C$ 326

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 7/4

5:45 a.m.-2:08 p.m.

1 stop7h 23m

Toronto Pearson Intl

Fri 17/4

7:55 p.m.-2:06 p.m.

2 stops19h 11m

C$ 441

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 7/4

5:45 a.m.-2:08 p.m.

1 stop7h 23m

Toronto Pearson Intl

Wed 15/4

11:15 a.m.-11:09 a.m.

1 stop24h 54m

C$ 461

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 6/4

6:15 a.m.-9:35 p.m.

1 stop14h 20m

Ottawa

Mon 13/4

10:44 a.m.-7:45 p.m.

1 stop10h 01m

C$ 501

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 6/4

6:15 a.m.-9:35 p.m.

1 stop14h 20m

Ottawa

Mon 13/4

5:50 p.m.-12:24 p.m.

2 stops19h 34m

C$ 515

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 7/4

9:10 a.m.-6:55 p.m.

1 stop8h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:10 a.m.-9:08 p.m.

1 stop15h 58m

C$ 572

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Sun 5/4

4:05 p.m.-9:18 p.m.

1 stop4h 13m

London

Sun 12/4

9:25 a.m.-3:24 p.m.

1 stop6h 59m

C$ 876

SpringfieldToronto

SGF - YYZ

SGFYYZ

Springfield-Branson

Sat 1/8

6:00 a.m.-12:16 p.m.

1 stop5h 16m

Toronto Pearson Intl

Sat 8/8

2:15 p.m.-10:35 p.m.

2 stops9h 20m

C$ 1,017

SpringfieldToronto

SGF - YYZ

SGFYYZ

Springfield-Branson

Sat 1/8

6:00 a.m.-12:16 p.m.

1 stop5h 16m

Toronto Pearson Intl

Sat 8/8

2:15 p.m.-10:35 p.m.

2 stops9h 20m

C$ 1,018

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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

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Other information

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

In general, June 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$ 887. If you are unable to visit Region of Ontario during the month of June, then departing from Missouri during the month May is also very affordable. Most momondo users find prices during this month for around C$ 894.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Missouri to Region of Ontario is on a Sunday. Travellers who choose to depart for Region of Ontario on a Sunday will often find tickets for as low as C$ 464. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 891.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Missouri to Region of Ontario during this time can be as low as C$ 575. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 638 on average. Flights to Region of Ontario from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 Ontario flights?

There is only 1 cabin class available to choose from on Missouri to 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 44% 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$ 324
Fastest flight time	1h 51m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best flight deal from Missouri to Region of Ontario found on momondo in the last 72 hours is C$ 324

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 123 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

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 February 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 Embraer 175, representing 32.08% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 23.58%, Airbus A220-300 at 10.38%, and Boeing 737 MAX 8 at 6.60%.

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$ 298	Free Cancellation	Rating 7.1 10,735 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.

An easier way to manage your Region of Ontario trip

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Popular Cities in Ontario

Flights to Torontofrom C$ 129

Flights to Vancouverfrom C$ 77

Flights to Montrealfrom C$ 100

Flights to Calgaryfrom C$ 99

Flights to Ottawafrom C$ 146

Flights to Winnipegfrom C$ 118

Flights to Halifaxfrom C$ 89

Flights to Kelownafrom C$ 78

Flights to Saskatoonfrom C$ 197

Flights to Reginafrom C$ 182

Flights to St. John'sfrom C$ 235

Flights to Québec Cityfrom C$ 334

Cheap flights from Missouri to Ontario from C$ 123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Ontario departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Missouri to Region of Ontario

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

American Airlines flights from Missouri to Region of Ontario

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

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

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

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest Missouri to Ontario flight route?

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

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

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

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

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

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

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

Fastest flight time

Direct flights

Airports in Region of Ontario

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

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According to popular flight searches on momondo this year

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