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$477+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
COU — YYZ
May 17 — May 241
Sat 5/17
Sat 5/24
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 May 12, 2025.

Round-trip from

$598
(American Airlines)

One-way from

$477
(American Airlines)
From Columbia Regional to Ontario
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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 May 12, 2025.

This American Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 6/226:19 amCOU - YYZ
1 stop7h 11mAmerican Airlines
Sat 6/286:30 amYYZ - COU
1 stop14h 03mAmerican Airlines
Deal found 5/11$598

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 May 12, 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

ColumbiaToronto

COU - YYZ

COUYYZ

Columbia Regional

Sun 6/22

6:19 am-2:30 pm

1 stop7h 11m

Toronto Pearson Intl

Sat 6/28

6:30 am-7:33 pm

1 stop14h 03m

$598

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Sun 5/18

5:56 am-11:44 am

1 stop4h 48m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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 July is currently the most expensive (average of $359). 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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