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$489+ Cheap flights from Columbia, MO (COU) to Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
COU — YYZ
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
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 August 17, 2025.

Round-trip from

$489
(United Airlines)
From Columbia Regional to Ontario
Search Deals

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 August 17, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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 9/272:52 pmCOU - YUL
1 stop25h 34mUnited Airlines
Tue 9/308:20 amYUL - COU
1 stop14h 07mUnited Airlines
Deal found 8/16$489
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/275:16 pmCOU - YYZ
1 stop18h 16mAmerican Airlines
Tue 9/3011:44 amYYZ - COU
1 stop9h 37mAmerican Airlines
Deal found 8/16$556
This United deal was found by Cheapflights users on 8/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:52 pmCOU - YUL
1 stop18h 48mMultiple Airlines
Thu 10/96:15 amYUL - COU
1 stop16h 12mMultiple Airlines
Deal found 8/16$629
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 9/288:00 amCOU - YUL
1 stop26h 57mUnited Airlines
Thu 10/99:45 amYUL - COU
1 stop12h 42mUnited Airlines
Deal found 8/16$688
This American Airlines deal was found by Cheapflights users on 8/16. 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 8/297:17 pmCOU - YUL
1 stop20h 25mAmerican Airlines
Tue 9/212:30 pmYUL - COU
1 stop25h 39mAmerican Airlines
Deal found 8/16$884
This American Airlines deal was found by Cheapflights users on 8/16. 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 8/297:17 pmCOU - YYZ
1 stop16h 19mAmerican Airlines
Mon 9/16:21 pmYYZ - COU
1 stop4h 12mAmerican Airlines
Deal found 8/16$909

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 August 17, 2025.
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

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sat 9/27

2:52 pm-5:26 pm

1 stop25h 34m

Montreal Pierre Elliott Trudeau Intl

Tue 9/30

8:20 am-9:27 pm

1 stop14h 07m

$489

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sat 9/27

5:16 pm-12:32 pm

1 stop18h 16m

Toronto Pearson Intl

Tue 9/30

11:44 am-8:21 pm

1 stop9h 37m

$556

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sun 9/28

2:52 pm-10:40 am

1 stop18h 48m

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:15 am-9:27 pm

1 stop16h 12m

$629

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sun 9/28

8:00 am-11:57 am

1 stop26h 57m

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

9:45 am-9:27 pm

1 stop12h 42m

$688

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Fri 8/29

7:17 pm-11:41 am

1 stop15h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

12:30 pm-1:09 pm

1 stop25h 39m

$884

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Fri 8/29

7:17 pm-12:36 pm

1 stop16h 19m

Toronto Pearson Intl

Mon 9/1

6:21 pm-9:33 pm

1 stop4h 12m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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.

  • 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.

  • What is the cheapest month to book a flight from Columbia, Missouri to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Columbia, Missouri to Region of Ontario (average of $243). Flying from Columbia, Missouri to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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