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$454+ Cheap flights from Ontario to Columbia, MO (ONT - COU)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COU
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Ontario to Columbia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Columbia (COU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2025.

Round-trip from

$775
(United Airlines)

One-way from

$454
(American Airlines)

Popular in

February

Cheapest in

July

Average price

$471
From Ontario to Columbia Regional
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One-way flight from Ontario to Columbia Regional
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Highest demand for flights based on searches. 13% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Columbia

Cheapest flights from Ontario to Columbia
Explore the most affordable flight options available from Ontario to Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 6/2912:49 pmONT - COU
1 stop7h 48mAmerican Airlines
Thu 7/35:08 pmCOU - ONT
1 stop18h 56mAmerican Airlines
Deal found 6/14$934

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Columbia 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 June 16, 2025.
Use the filters below to find and compare flights from Ontario to Columbia that are best for you.

Fly from

Ontario

Fly to

Columbia

Route

Depart

Return

Price

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Sun 6/29

12:49 pm-10:37 pm

1 stop7h 48m

Columbia Regional

Thu 7/3

5:08 pm-10:04 am

1 stop18h 56m

$934

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Tue 7/29

2:37 pm-10:39 pm

1 stop6h 02m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Best time to book a flight from Ontario to Columbia

Have a flexible travel schedule? Discover the best time to fly to Columbia from Ontario 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 Ontario to Columbia

Rainfall in Columbia by month

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

In terms of precipitation, rainfall in Columbia, Missouri ranges from 1.9 - 5.0 inches per month. May is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Columbia, Missouri when rainfall is around 1.9 in.

Temperature in Columbia by month

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

If weather is an important factor for your trip to Columbia, Missouri, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Columbia

Get insights into the airlines that provide service to Columbia. 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 Columbia. Reviews last updated June 16, 2025.
United Airlines
7.4
Good
8,798 reviews

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,798 reviews
United Airlines
7.4
Good
8,798 reviews

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,798 reviews

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Columbia, Missouri round-trip?

    Our cheapest airline available from Ontario to Columbia, Missouri is United Airlines. Our recent data shows that you can find tickets from as low as $775 on this airline. An additional option worth looking into is American Airlines, starting at $934.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Columbia 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 Ontario to Columbia, Missouri?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Columbia, Missouri (average of $362). Flying from Ontario to Columbia, Missouri in March is currently the most expensive (average of $569). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Jefferson City

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Top airline flying from Ontario to Columbia

Discover the top airline that operate flights from Ontario to Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$444Average$789FlexibilityNo cancel feeOn-time71%

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