What airlines fly to Region of Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Missouri according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

7 flights are operational daily from Missouri to Region of Ontario as of September 2026. The most popular departure time for this route is 8:00AM, with 60% of flights per day taking off in the afternoon.

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

Average flight duration from Missouri to Region of Ontario depends on which airport you fly into and out of. Flying from St. Louis to Toronto Pearson Intl Airport is 1h 54m on average, while flying from Kansas City to Toronto Pearson Intl Airport is 4h 29m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

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

As of September 2026, 49 flights take off from Missouri and land in Region of Ontario each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

American Airlines, Delta, 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?

As of September 2026, there are 5 operators available to choose from for flights from Missouri to Ontario.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Ontario.

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

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$122 Cheap Flights from Missouri to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

6:05 pm - 2:10 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

19h 05m1 stop Orlando

5:15 pm - 12:41 amYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 26m1 stop Orlando

$354Multiple Airlines

Mon, Dec 7 - Fri, Dec 11

7:29 am - 5:44 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

9h 15m1 stop Chicago O'Hare Intl

11:39 am - 9:13 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

10h 34m1 stop Chicago O'Hare Intl

$355American Airlines

Sat, Oct 10 - Sat, Oct 17

5:00 am - 2:32 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 32m1 stop Chicago O'Hare Intl

1:15 pm - 12:19 amYYZ Toronto Pearson Intl-STL Lambert-St Louis

12h 04m1 stop Chicago O'Hare Intl

$355American Airlines

Thu, Oct 1 - Tue, Oct 6

6:44 pm - 1:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

17h 56m2 stops Atlanta Hartsfield-Jackson Orlando

8:30 pm - 12:33 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

17h 03m1 stop Las Vegas Harry Reid Intl

$369Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

8:00 am - 6:31 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

9h 31m1 stop Chicago O'Hare Intl

2:00 pm - 9:21 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 21m1 stop Chicago O'Hare Intl

$543United Airlines

Mon, Oct 19 - Tue, Oct 20

11:35 am - 8:44 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 09m1 stop Chicago O'Hare Intl

2:00 pm - 9:21 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 21m1 stop Chicago O'Hare Intl

$543United Airlines

Mon, Oct 19 - Tue, Oct 20

7:04 am - 5:38 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

9h 34m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:25 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

8h 25m1 stop Detroit Metropolitan Wayne County

$553Delta

Wed, Oct 7 - Wed, Oct 14

5:40 pm - 11:10 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

4h 30m1 stop Detroit Metropolitan Wayne County

12:45 pm - 9:18 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

9h 33m1 stop Detroit Metropolitan Wayne County

$553Delta

Wed, Jan 6 - Sat, Jan 9

8:55 am - 3:10 pmSTL Lambert-St Louis-YOW Ottawa

5h 15m1 stop Toronto Pearson Intl

2:50 pm - 6:41 pmYOW Ottawa-STL Lambert-St Louis

4h 51m1 stop Montreal Pierre Elliott Trudeau Intl

$556Air Canada

Thu, Oct 1 - Tue, Oct 6

2:40 pm - 5:34 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$557Air Canada

Sat, Oct 10 - Sat, Oct 17

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 12:26 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

5h 26m1 stop Philadelphia

7:40 am - 3:15 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

8h 35m1 stop Philadelphia

$671American Airlines

Sat, Sep 19 - Thu, Oct 15

6:30 am - 11:58 amMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

4h 28m1 stop Detroit Metropolitan Wayne County

6:00 am - 1:25 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

8h 25m1 stop Detroit Metropolitan Wayne County

$684Delta

Sun, Sep 20 - Wed, Oct 14

5:19 pm - 4:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

22h 21m1 stop Orlando

7:25 am - 5:54 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

11h 29m2 stops Boston Logan Intl Orlando

$718Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

7:44 am - 5:00 pmMCI Kansas City-YYZ Toronto Pearson Intl

8h 16m1 stop Charlotte Douglas

6:25 pm - 12:23 amYYZ Toronto Pearson Intl-MCI Kansas City

6h 58m1 stop Chicago O'Hare Intl

$727American Airlines

Tue, Sep 15 - Sat, Sep 19

10:27 am - 5:36 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

6h 09m1 stop Atlanta Hartsfield-Jackson

12:44 pm - 9:46 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

10h 02m1 stop Atlanta Hartsfield-Jackson

$731Delta

Sun, Sep 20 - Thu, Oct 15

5:19 pm - 4:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

22h 21m1 stop Orlando

4:45 pm - 1:31 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

21h 46m2 stops Nashville Intl Jonesboro

$750Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$762Air Canada

Thu, Sep 17 - Thu, Sep 24

7:32 am - 7:45 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

11h 13m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

6:10 am - 12:20 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

7h 10m1 stop Chicago O'Hare Intl

$800United Airlines

Sat, Sep 19 - Thu, Oct 15

12:10 pm - 3:41 pmSTL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mnonstop

4:55 pm - 6:41 pmYUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mnonstop

$801Air Canada

Thu, Sep 17 - Thu, Sep 24

9:55 am - 7:45 pmMCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

8h 50m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

9:15 am - 5:43 pmYUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

9h 28m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$806United Airlines

Sat, Sep 19 - Thu, Oct 15

Cheap direct flights

Enter your travel dates to find the best prices.

2:40 pm - 5:34 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$557Air Canada

Sat, Oct 10 - Sat, Oct 17

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

7:15 pm - 8:20 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$582Air Canada

Thu, Oct 1 - Mon, Oct 5

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$582Air Canada

Fri, Sep 25 - Sun, Sep 27

12:10 pm - 3:41 pmSTL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mnonstop

4:55 pm - 6:41 pmYUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mnonstop

$588Air Canada

Sat, Oct 17 - Wed, Oct 21

4:05 pm - 6:59 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$790United Airlines

Tue, Oct 27 - Thu, Oct 29

2:40 pm - 5:34 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$790United Airlines

Sun, Sep 27 - Wed, Sep 30

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$805United Airlines

Tue, Oct 13 - Tue, Oct 20

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$1,122Multiple Airlines

Thu, Oct 1 - Sun, Oct 4

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$1,384Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

12:55 pm - 2:00 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mnonstop

$1,798Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

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American Airlines flights from Missouri to Region of Ontario

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

American Airlines

Oct 1

STL5:00 amLambert-St Louis

8h 32m

1 stop

YYZ2:32 pmToronto Pearson Intl

Oct 6

YYZ1:15 pmToronto Pearson Intl

12h 04m

1 stop

STL12:19 amLambert-St Louis

$355

American Airlines

Oct 2

STL5:00 amLambert-St Louis

8h 32m

1 stop

YYZ2:32 pmToronto Pearson Intl

Oct 7

YYZ11:40 amToronto Pearson Intl

10h 17m

1 stop

STL8:57 pmLambert-St Louis

$382

American Airlines

Oct 29

STL5:00 amLambert-St Louis

10h 52m

1 stop

YUL4:52 pmMontreal Pierre Elliott Trudeau Intl

Oct 30

YUL5:34 pmMontreal Pierre Elliott Trudeau Intl

18h 17m

1 stop

STL10:51 amLambert-St Louis

$458

United Airlines flights from Missouri to Region of Ontario

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

United Airlines

Oct 19

STL11:35 amLambert-St Louis

8h 09m

1 stop

YYZ8:44 pmToronto Pearson Intl

Oct 20

YYZ2:00 pmToronto Pearson Intl

8h 21m

1 stop

STL9:21 pmLambert-St Louis

$543

United Airlines

Oct 29

JLN6:01 amJoplin

9h 46m

1 stop

YYZ4:47 pmToronto Pearson Intl

Nov 5

YYZ4:30 pmToronto Pearson Intl

18h 29m

1 stop

JLN9:59 amJoplin

$604

United Airlines

Oct 29

JLN6:01 amJoplin

9h 46m

1 stop

YYZ4:47 pmToronto Pearson Intl

Nov 5

YYZ12:55 pmToronto Pearson Intl

22h 04m

2 stops

JLN9:59 amJoplin

$614

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Mon 12/7

6:05 pm-2:10 pm

1 stop19h 05m

Toronto Pearson Intl

Fri 12/11

5:15 pm-12:41 am

1 stop8h 26m

$354

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Sat 10/10

7:29 am-5:44 pm

1 stop9h 15m

Toronto Pearson Intl

Sat 10/17

11:39 am-9:13 pm

1 stop10h 34m

$355

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 10/1

5:00 am-2:32 pm

1 stop8h 32m

Toronto Pearson Intl

Tue 10/6

1:15 pm-12:19 am

1 stop12h 04m

$355

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Wed 11/11

6:44 pm-1:40 pm

2 stops17h 56m

Toronto Pearson Intl

Sun 11/15

8:30 pm-12:33 pm

1 stop17h 03m

$369

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Mon 10/19

8:00 am-6:31 pm

1 stop9h 31m

Toronto Pearson Intl

Tue 10/20

2:00 pm-9:21 pm

1 stop8h 21m

$543

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Mon 10/19

11:35 am-8:44 pm

1 stop8h 09m

Toronto Pearson Intl

Tue 10/20

2:00 pm-9:21 pm

1 stop8h 21m

$543

Kansas CityMontreal

MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl

MCIYUL

Kansas City

Wed 10/7

7:04 am-5:38 pm

1 stop9h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 10/14

6:00 am-1:25 pm

1 stop8h 25m

$553

Kansas CityMontreal

MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl

MCIYUL

Kansas City

Wed 1/6

5:40 pm-11:10 pm

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 1/9

12:45 pm-9:18 pm

1 stop9h 33m

$553

St. LouisOttawa

STL Lambert-St Louis - YOW Ottawa

STLYOW

Lambert-St Louis

Thu 10/1

8:55 am-3:10 pm

1 stop5h 15m

Ottawa

Tue 10/6

2:50 pm-6:41 pm

1 stop4h 51m

$556

Quickest round-trip

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Sat 10/10

2:40 pm-5:34 pm

Nonstop1h 54m

Toronto Pearson Intl

Sat 10/17

12:55 pm-2:00 pm

Nonstop2h 05m

$557

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?

The month of December is, on average, the cheapest month to fly to Region of Ontario from Missouri, with most prices found around $492. If you aren’t able to travel during the month of December, then book flights to Region of Ontario from Missouri during March instead. Flights to Region of Ontario in March, while not as cheap as those in December, still average around $497.

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

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from Missouri. The lowest ticket price found for a Tuesday departure recently was $786. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Missouri to Region of Ontario on a Saturday will generally be more expensive and average around $968. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is in the morning. momondo users have found flights departing from Missouri to Region of Ontario in the morning for as low as $717. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,062.

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 are 4 cabin classes 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 43% 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	$122
Fastest flight time	1h 54m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Missouri in the past 72 hours is $122. The best round-trip flight deal from Missouri to Region of Ontario found on momondo in the last 72 hours is $354.

The fastest flight from Missouri to Region of Ontario takes 1h 54m

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?
As of September 2026, there are 5 operators available to choose from for flights from Missouri to Ontario.
How old do you have to be to fly from Missouri to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Missouri to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to Region of Ontario is Canadair (Bombardier) Regional Jet 900 (51.25% of total bookings). The next most popular plane models are Embraer 175 (26.25%), Boeing 787-8 Dreamliner (5.62%), and Boeing 737 MAX 8 (3.75%).

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 $139	Free Cancellation	Rating 7.1 11,630 reviews	Search Air Canada flights
United Airlines	PriceFrom $203	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.1 12,056 reviews	Search American Airlines flights
Delta	PriceFrom $280	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
WestJet	PriceFrom $591	Free Cancellation	Rating 7.2 3,443 reviews	Search WestJet flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Missouri.

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?

Once you have performed a search for Missouri to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Missouri to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $166

Flights to Vancouverfrom $156

Flights to Montrealfrom $211

Flights to Calgaryfrom $164

Flights to Ottawafrom $218

Flights to Halifaxfrom $253

Flights to Winnipegfrom $206

Flights to Québec Cityfrom $332

Flights to Kelownafrom $208

Flights to St. John'sfrom $358

Flights to Saskatoonfrom $218

Flights to Reginafrom $252

Cheap flights from Missouri to Ontario from $122

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 10/14. 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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American Airlines flights from Missouri to Region of Ontario

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

United Airlines flights from Missouri to Region of Ontario

Our best United 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 Region of 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?

What airlines fly to Region of 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

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Missouri to 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?

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

Popular flights according to clicks in the last 7 days on momondo

Missouri flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

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