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

The flight from Region of Ontario to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Toronto (a popular airport in Region of Ontario) to St. Louis (the most popular airport in Missouri), then the flight time is 2h 16m on average. If you fly from Ottawa (another popular airport in Region of Ontario) to St. Louis, then the average flight time is 4h 49m.

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

As of November 2026, there are 1 flights per day flying from Region of Ontario to Missouri. The most common time of day flights depart is 2:00PM, with 100% of flights taking off in the afternoon.

What airlines fly to Missouri?

Air Canada, Delta and United Airlines are the top three most popular airlines that fly to Missouri from Region of Ontario according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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

As of November 2026, there are 10 flights per week flying from Region of Ontario to Missouri. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

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

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

Prices for flights from Ontario to Missouri were last updated today.

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

The number of operators available for flights from Ontario to Missouri is 5 as of November 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Missouri.

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

The required travel and health documents for your Missouri 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 Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$172 Cheap Flights from Ontario to Missouri in 2026/27

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Find the cheapest flights from Ontario to Missouri

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 11:17 amYYZ Toronto Pearson Intl-STL Lambert-St Louis

45h 52m2 stops Tampa Atlanta Hartsfield-Jackson

6:20 pm - 1:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

18h 20m1 stop Orlando

$341Multiple Airlines

Mon, Dec 7 - Wed, Dec 16

9:35 am - 11:17 amYYZ Toronto Pearson Intl-STL Lambert-St Louis

26h 42m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

6:20 pm - 1:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

18h 20m1 stop Orlando

$351Multiple Airlines

Tue, Dec 8 - Wed, Dec 16

12:30 pm - 10:12 pmYYZ Toronto Pearson Intl-MCI Kansas City

10h 42m1 stop Washington, D.C. Reagan-National

5:50 am - 4:30 pmMCI Kansas City-YYZ Toronto Pearson Intl

9h 40m1 stop Washington, D.C. Reagan-National

$499American Airlines

Wed, Dec 2 - Wed, Dec 9

12:39 pm - 9:11 pmYYZ Toronto Pearson Intl-MCI Kansas City

9h 32m1 stop Washington, D.C. Reagan-National

7:39 am - 5:44 pmMCI Kansas City-YYZ Toronto Pearson Intl

9h 05m1 stop Chicago O'Hare Intl

$548American Airlines

Thu, Jan 7 - Thu, Jan 14

12:20 pm - 5:45 pmYYZ Toronto Pearson Intl-MCI Kansas City

6h 25m1 stop Atlanta Hartsfield-Jackson

5:40 pm - 11:00 pmMCI Kansas City-YYZ Toronto Pearson Intl

4h 20m1 stop Detroit Metropolitan Wayne County

$559Delta

Wed, Mar 3 - Sat, Apr 10

5:25 pm - 11:56 pmYYZ Toronto Pearson Intl-MCI Kansas City

7h 31m1 stop Atlanta Hartsfield-Jackson

5:26 pm - 12:01 amMCI Kansas City-YYZ Toronto Pearson Intl

5h 35m1 stop Atlanta Hartsfield-Jackson

$559Delta

Tue, Mar 2 - Sat, Apr 10

2:35 pm - 10:59 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 24m1 stop Chicago O'Hare Intl

5:25 am - 2:03 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 38m1 stop Chicago O'Hare Intl

$586United Airlines

Tue, Dec 8 - Wed, Dec 9

2:35 pm - 10:59 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 24m1 stop Chicago O'Hare Intl

5:25 am - 2:03 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 38m1 stop Chicago O'Hare Intl

$594United Airlines

Tue, Dec 8 - Wed, Dec 9

5:19 pm - 11:26 pmYYZ Toronto Pearson Intl-MCI Kansas City

7h 07m1 stop Minneapolis St Paul

5:30 pm - 12:05 amMCI Kansas City-YYZ Toronto Pearson Intl

5h 35m1 stop Atlanta Hartsfield-Jackson

$609WestJet

Tue, Mar 2 - Tue, Apr 13

12:11 pm - 5:07 pmYYZ Toronto Pearson Intl-MCI Kansas City

5h 56m1 stop Detroit Metropolitan Wayne County

6:34 am - 4:08 pmMCI Kansas City-YYZ Toronto Pearson Intl

8h 34m1 stop Detroit Metropolitan Wayne County

$609WestJet

Tue, Mar 2 - Sat, Mar 6

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 11:16 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

17h 46m1 stop Orlando

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

27h 00m2 stops Jonesboro Nashville Intl

$608Multiple Airlines

Mon, Nov 9 - Thu, Nov 19

6:30 am - 11:16 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

17h 46m1 stop Orlando

4:18 pm - 3:20 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

22h 02m3 stops Denver Intl Atlanta Hartsfield-Jackson Fort Lauderdale

$633Multiple Airlines

Mon, Nov 9 - Wed, Nov 18

5:14 pm - 10:43 pmYYZ Toronto Pearson Intl-MCI Kansas City

6h 29m1 stop Washington, D.C. Reagan-National

2:07 pm - 10:36 pmMCI Kansas City-YYZ Toronto Pearson Intl

7h 29m1 stop Charlotte Douglas

$642American Airlines

Wed, Nov 11 - Thu, Nov 12

3:15 pm - 10:15 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 00m1 stop Chicago O'Hare Intl

5:29 pm - 11:46 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

5h 17m1 stop Chicago O'Hare Intl

$659British Airways

Tue, Nov 10 - Tue, Nov 17

2:45 pm - 9:40 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

7h 55m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

10:53 am - 7:01 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 08m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$976United Airlines

Sat, Nov 14 - Tue, Nov 24

6:00 am - 7:55 pmYOW Ottawa-MCI Kansas City

14h 55m2 stops Newark Washington, D.C. Dulles Intl

11:33 am - 7:27 pmMCI Kansas City-YOW Ottawa

6h 54m1 stop Washington, D.C. Dulles Intl

$1,001United Airlines

Sun, Nov 8 - Sun, Nov 15

6:00 am - 8:39 pmYOW Ottawa-MCI Kansas City

15h 39m1 stop Newark

6:00 am - 2:09 pmMCI Kansas City-YOW Ottawa

7h 09m1 stop Chicago O'Hare Intl

$1,001United Airlines

Sun, Nov 8 - Sun, Nov 15

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

6:50 pm - 11:59 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 09m1 stop Chicago O'Hare Intl

$1,173Air Canada

Fri, Nov 13 - Fri, Nov 20

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

2h 13mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$1,283Air Canada

Wed, Nov 11 - Sat, Nov 21

11:00 pm - 1:28 pmYYZ Toronto Pearson Intl-MCI Kansas City

15h 28m2 stops Montreal Pierre Elliott Trudeau Intl Detroit Metropolitan Wayne County

5:31 pm - 8:25 amMCI Kansas City-YYZ Toronto Pearson Intl

13h 54m2 stops Atlanta Hartsfield-Jackson Montreal Pierre Elliott Trudeau Intl

$1,392WestJet

Wed, Nov 11 - Thu, Nov 12

Cheap direct flights

Enter your travel dates to find the best prices.

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$719Air Canada

Thu, Nov 26 - Mon, Nov 30

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$736Air Canada

Tue, Dec 8 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$739Air Canada

Tue, Dec 8 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$743Air Canada

Wed, Dec 2 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$744Air Canada

Wed, Dec 2 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$744Air Canada

Tue, Dec 8 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$745Air Canada

Tue, Dec 8 - Wed, Dec 9

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$752Air Canada

Sun, Dec 20 - Wed, Dec 30

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$1,048United Airlines

Fri, Dec 18 - Mon, Dec 28

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

$1,068United Airlines

Mon, Dec 21 - Mon, Dec 28

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Air Canada flights from Region of Ontario to Missouri

Our best Air Canada deals on Region of Ontario to Missouri flight tickets

Air Canada

Nov 21

YOW10:00 amOttawa

6h 26m

1 stop

STL3:26 pmLambert-St Louis

Nov 28

STL8:30 amLambert-St Louis

4h 39m

1 stop

YOW2:09 pmOttawa

$832

Air Canada

Nov 21

YOW10:00 amOttawa

6h 26m

1 stop

STL3:26 pmLambert-St Louis

Nov 28

STL8:30 amLambert-St Louis

4h 39m

1 stop

YOW2:09 pmOttawa

$836

Air Canada

Nov 21

YOW10:00 amOttawa

6h 26m

1 stop

STL3:26 pmLambert-St Louis

Nov 28

STL7:30 amLambert-St Louis

11h 22m

2 stops

YOW7:52 pmOttawa

$842

United Airlines flights from Region of Ontario to Missouri

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

United Airlines

Jan 13

YYZ2:45 pmToronto Pearson Intl

7h 59m

2 stops

SGF9:44 pmSpringfield-Branson

Jan 15

SGF11:22 amSpringfield-Branson

9h 02m

2 stops

YYZ9:24 pmToronto Pearson Intl

$617

United Airlines

Jan 13

YYZ6:45 amToronto Pearson Intl

8h 49m

1 stop

SGF2:34 pmSpringfield-Branson

Jan 15

SGF7:30 amSpringfield-Branson

9h 19m

2 stops

YYZ5:49 pmToronto Pearson Intl

$619

United Airlines

Jan 13

YYZ2:45 pmToronto Pearson Intl

7h 59m

2 stops

SGF9:44 pmSpringfield-Branson

Jan 15

SGF11:22 amSpringfield-Branson

9h 02m

2 stops

YYZ9:24 pmToronto Pearson Intl

$623

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Mon 12/7

2:25 pm-11:17 am

2 stops45h 52m

Lambert-St Louis

Wed 12/16

6:20 pm-1:40 pm

1 stop18h 20m

$341

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

9:35 am-11:17 am

2 stops26h 42m

Lambert-St Louis

Wed 12/16

6:20 pm-1:40 pm

1 stop18h 20m

$351

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Wed 12/2

12:30 pm-10:12 pm

1 stop10h 42m

Kansas City

Wed 12/9

5:50 am-4:30 pm

1 stop9h 40m

$499

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Thu 1/7

12:39 pm-9:11 pm

1 stop9h 32m

Kansas City

Thu 1/14

7:39 am-5:44 pm

1 stop9h 05m

$548

Quickest round-trip

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Wed 3/3

12:20 pm-5:45 pm

1 stop6h 25m

Kansas City

Sat 4/10

5:40 pm-11:00 pm

1 stop4h 20m

$559

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Tue 3/2

5:25 pm-11:56 pm

1 stop7h 31m

Kansas City

Sat 4/10

5:26 pm-12:01 am

1 stop5h 35m

$559

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

2:35 pm-10:59 pm

1 stop9h 24m

Lambert-St Louis

Wed 12/9

5:25 am-2:03 pm

1 stop7h 38m

$586

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

2:35 pm-10:59 pm

1 stop9h 24m

Lambert-St Louis

Wed 12/9

5:25 am-2:03 pm

1 stop7h 38m

$594

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Tue 3/2

5:19 pm-11:26 pm

1 stop7h 07m

Kansas City

Tue 4/13

5:30 pm-12:05 am

1 stop5h 35m

$609

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Tue 3/2

12:11 pm-5:07 pm

1 stop5h 56m

Kansas City

Sat 3/6

6:34 am-4:08 pm

1 stop8h 34m

$609

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 Region of Ontario to Missouri

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 Missouri?

In general, January is the cheapest month to fly from Region of Ontario to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $422. If you aren’t able to travel to Missouri during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $448.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Region of Ontario to Missouri is on a Sunday when prices can be found for as low as $394. Flights from Region of Ontario to Missouri on a Saturday will generally be more expensive and average around $596. 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 Missouri?

According to our data, the cheapest time of day to fly to Missouri is at noon. momondo users have found flights departing from Region of Ontario to Missouri at noon for as low as $432. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $533. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to Missouri flight route?

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

How far in advance should I book a flight from Ontario to Missouri?

You are more likely to see cheaper flights to Missouri from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $538 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Region of Ontario for as low as $298 on momondo.

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

There are 3 cabin classes available to choose from on Region of Ontario to Missouri 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 Region of Ontario to Missouri flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to Missouri.

Cheap Region of Ontario to Missouri flight deals and tips

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

Best Price Found	$172
Fastest flight time	2h 16m
Direct flights	Every day
Airports in Missouri	55 airports

The best one-way flight to Missouri from Region of Ontario in the past 72 hours is $172. The best round-trip flight deal from Region of Ontario to Missouri found on momondo in the last 72 hours is $341.

The fastest flight from Region of Ontario to Missouri takes 2h 16m

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

There are 55 airports in Missouri. From Region of Ontario there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Ontario to Missouri

When did momondo last update prices for flights from Ontario to Missouri?
Prices for flights from Ontario to Missouri were last updated today.
How many operators does momondo search for flights from Ontario to Missouri?
The number of operators available for flights from Ontario to Missouri is 5 as of November 2026.
How old do you have to be to fly from Ontario to Missouri?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri 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 Missouri. 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 Region of Ontario to Missouri?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to Missouri is Canadair (Bombardier) Regional Jet 900, representing 51.61% of all bookings. The subsequent popular models are Embraer 175 at 45.97%, Airbus A220-300 at 1.61%, and Airbus A220 at 0.81%.

Best airlines flying from Region of Ontario to Missouri

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.3 10,469 reviews	Search United Airlines flights
Air Canada	PriceFrom $256	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
Delta	PriceFrom $438	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
American Airlines	PriceFrom $450	Free Cancellation	Rating 7.0 12,229 reviews	Search American Airlines flights
WestJet	PriceFrom $530	Free Cancellation	Rating 7.2 3,437 reviews	Search WestJet flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Missouri from Ontario with this policy.

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

momondo helps you find the best flight between Ontario and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from Ontario and alert you when they change.

An easier way to manage your Missouri trip

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Popular cities in Missouri

Flights to New Yorkfrom $63

Flights to Los Angelesfrom $38

Flights to Orlandofrom $55

Flights to Miamifrom $38

Flights to San Franciscofrom $38

Flights to Chicagofrom $75

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $38

Flights to Bostonfrom $81

Flights to Atlantafrom $46

Flights to Dallasfrom $38

Cheap flights from Ontario to Missouri from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Missouri departing on 12/1. 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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Air Canada flights from Region of Ontario to Missouri

Our best Air Canada deals on Region of Ontario to Missouri flight tickets

United Airlines flights from Region of Ontario to Missouri

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

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Use the filters below to find and compare flights from Ontario to Missouri that are best for you.

See travel insights to Missouri from

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

What is the cheapest month to fly to Missouri?

What is the cheapest day to depart on your flight to Missouri?

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

What is the cheapest Ontario to Missouri flight route?

How far in advance should I book a flight from Ontario to Missouri?

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

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

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

What airlines fly to Missouri?

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

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

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

Cheap Region of Ontario to Missouri flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Missouri

Frequently asked questions about flying from Ontario to Missouri

Best airlines flying from Region of Ontario to Missouri

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

Why use momondo?

An easier way to manage your Missouri 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 Missouri

Popular cities in Missouri

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

Region of Ontario flight routes

According to popular flight searches on momondo this year

Missouri flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Missouri

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