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$309+ Cheap flights from Columbia, MO (COU) to Ontario

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
COU — YYZ
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Columbia to Ontario

Keep the following information in mind while searching for Columbia to Ontario flight deals. Data was last updated January 15, 2026.

Round-trip from

$414
(American Airlines)

One-way from

$309
(American Airlines)
From Columbia Regional to Ontario
Search Deals
One-way flight from Columbia Regional to Ontario
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Find flight deals from Columbia to Ontario

Cheapest flights from Columbia to Ontario
Explore the most affordable flight options available from Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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 2/286:00 am
COU
-
YYZ
1 stop14h 29m
American Airlines
Sat 3/711:40 am
YYZ
-
COU
1 stop9h 39m
American Airlines
Deal found 1/14$414
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Fri 2/276:00 am
COU
-
YUL
1 stop8h 04m
American Airlines
Fri 3/67:12 am
YUL
-
COU
2 stops14h 07m
American Airlines
Deal found 1/13$448
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Fri 2/276:35 pm
COU
-
YYZ
1 stop16h 55m
American Airlines
Fri 3/611:40 am
YYZ
-
COU
1 stop9h 39m
American Airlines
Deal found 1/13$459
This American Airlines deal was found by Cheapflights users on 1/14. 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 2/285:41 pm
COU
-
YUL
1 stop20h 23m
American Airlines
Sat 3/77:12 am
YUL
-
COU
2 stops14h 07m
American Airlines
Deal found 1/14$484
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/711:17 am
COU
-
YUL
1 stop9h 00m
United Airlines
Wed 2/114:45 pm
YUL
-
COU
1 stop18h 48m
United Airlines
Deal found 1/14$490
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:15 am
COU
-
YYZ
1 stop11h 04m
United Airlines
Wed 2/184:50 pm
YYZ
-
COU
1 stop18h 43m
United Airlines
Deal found 1/12$532
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:15 am
COU
-
YUL
1 stop22h 05m
United Airlines
Fri 3/66:25 pm
YUL
-
COU
1 stop28h 08m
United Airlines
Deal found 1/13$539
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Thu 3/126:30 pm
COU
-
YUL
2 stops16h 54m
American Airlines
Mon 3/163:45 pm
YUL
-
COU
1 stop18h 43m
American Airlines
Deal found 1/14$572
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:41 pm
COU
-
YUL
2 stops16h 00m
United Airlines
Mon 3/168:25 am
YUL
-
COU
2 stops14h 08m
United Airlines
Deal found 1/14$604
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:16 pm
COU
-
YYZ
1 stop26h 14m
United Airlines
Sat 7/258:50 am
YYZ
-
COU
1 stop13h 20m
United Airlines
Deal found 1/12$629
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 7/176:28 pm
COU
-
YYZ
1 stop17h 07m
American Airlines
Thu 7/231:15 pm
YYZ
-
COU
1 stop9h 03m
American Airlines
Deal found 1/14$630
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/243:10 pm
COU
-
YUL
1 stop21h 50m
United Airlines
Wed 1/284:45 pm
YUL
-
COU
1 stop18h 57m
United Airlines
Deal found 1/12$734

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbia to Ontario 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 January 15, 2026.
Use the filters below to find and compare flights from Columbia to Ontario that are best for you.

Fly from

Columbia

Fly to

Ontario

Route

Depart

Return

Price

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sat 2/28

6:00 am-9:29 pm

1 stop14h 29m

Toronto Pearson Intl

Sat 3/7

11:40 am-8:19 pm

1 stop9h 39m

$414

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Fri 2/27

6:00 am-3:04 pm

1 stop8h 04m

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

7:12 am-8:19 pm

2 stops14h 07m

$448

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Fri 2/27

6:35 pm-12:30 pm

1 stop16h 55m

Toronto Pearson Intl

Fri 3/6

11:40 am-8:19 pm

1 stop9h 39m

$459

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sat 2/28

5:41 pm-3:04 pm

1 stop20h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 3/7

7:12 am-8:19 pm

2 stops14h 07m

$484

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sat 2/7

11:17 am-9:17 pm

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

4:45 pm-10:33 am

1 stop18h 48m

$490

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sat 2/14

11:15 am-11:19 pm

1 stop11h 04m

Toronto Pearson Intl

Wed 2/18

4:50 pm-10:33 am

1 stop18h 43m

$532

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Fri 2/27

11:15 am-10:20 am

1 stop22h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

6:25 pm-9:33 pm

1 stop28h 08m

$539

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Thu 3/12

6:30 pm-3:05 pm

1 stop19h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

3:45 pm-9:28 am

1 stop18h 43m

$554

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Thu 3/12

2:41 pm-7:41 am

2 stops16h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

8:25 am-9:33 pm

2 stops14h 08m

$604

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sat 2/28

5:41 pm-12:30 pm

1 stop17h 49m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 14 results
1
2

Best time to book a flight from Columbia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Columbia 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 Columbia to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Columbia to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Columbia to Ontario?

    Most people fly from Columbia Regional (COU) if they book a flight from Columbia to Ontario. Columbia Regional is conveniently located just 11.1 mi from Columbia’s city center.

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

    Departing from Columbia, Missouri to Region of Ontario will take you 9h. The distance between Columbia, Missouri and Region of Ontario is about 1048 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Columbia to Ontario that include hotel bookings?

    Yes. In addition to deals on Columbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbia to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbia to Ontario.

  • Can I find deals for business class flights from Columbia to Ontario?

    Yes. Cheapflights offers flight deals from Columbia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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