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Columbia

$338+ Cheap flights from Ontario to Columbia, MO (ONT - COU)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COU
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap 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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/13. 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.
Wed 5/61:40 pm
ONT
-
COU
1 stop5h 09m
United Airlines
Sat 5/99:00 am
COU
-
ONT
1 stop5h 38m
United Airlines
Deal found 4/13$338
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 5/21:40 pm
ONT
-
COU
1 stop5h 09m
United Airlines
Mon 5/43:10 pm
COU
-
ONT
1 stop9h 25m
United Airlines
Deal found 4/13$363
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 5/26:59 pm
ONT
-
COU
2 stops13h 58m
United Airlines
Tue 5/511:30 am
COU
-
ONT
2 stops11h 06m
United Airlines
Deal found 4/13$374
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/21:40 pm
ONT
-
COU
1 stop5h 09m
United Airlines
Wed 5/63:10 pm
COU
-
ONT
1 stop9h 25m
United Airlines
Deal found 4/16$388
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/26:15 am
ONT
-
COU
2 stops8h 36m
American Airlines
Mon 5/412:06 pm
COU
-
ONT
2 stops11h 53m
American Airlines
Deal found 4/15$399
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 8/1912:33 pm
ONT
-
COU
1 stop7h 54m
American Airlines
Wed 9/25:17 pm
COU
-
ONT
1 stop7h 41m
American Airlines
Deal found 4/14$408
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/206:00 am
ONT
-
COU
2 stops12h 49m
United Airlines
Sat 5/233:05 pm
COU
-
ONT
1 stop9h 41m
United Airlines
Deal found 4/16$414
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/161:40 pm
ONT
-
COU
1 stop5h 09m
United Airlines
Sat 5/233:25 pm
COU
-
ONT
1 stop9h 26m
United Airlines
Deal found 4/16$428

Find 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(United Airlines)

Popular in

May

Cheapest in

December

Average price

$557
Provider with most accurate pricing for Ontario-Columbia Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Columbia Regional flights.
Search Deals
From Ontario to Columbia Regional
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 18, 2026.
Use the filters below to find and compare flights from Ontario to Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Wed 5/20

1:40 pm-8:49 pm

1 stop5h 09m

Columbia Regional

Sat 5/23

3:05 pm-10:46 pm

1 stop9h 41m

$338

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Wed 5/6

6:59 pm-10:55 am

2 stops13h 56m

Columbia Regional

Sat 5/9

9:00 am-12:38 pm

1 stop5h 38m

$344

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Sat 5/2

6:59 pm-10:57 am

2 stops13h 58m

Columbia Regional

Tue 5/5

9:00 am-12:38 pm

1 stop5h 38m

$369
Quickest round-trip

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Sat 5/2

1:40 pm-8:49 pm

1 stop5h 09m

Columbia Regional

Wed 5/6

3:10 pm-10:35 pm

1 stop9h 25m

$388

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Wed 4/29

1:38 pm-9:03 pm

1 stop5h 25m

Columbia Regional

Sat 5/2

8:00 am-5:52 pm

2 stops11h 52m

$394

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Tue 4/28

6:00 am-9:03 pm

2 stops13h 03m

Columbia Regional

Sat 5/2

9:00 am-12:38 pm

1 stop5h 38m

$394

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Wed 8/19

7:00 am-5:45 pm

1 stop8h 45m

Columbia Regional

Wed 9/2

11:30 am-10:58 pm

2 stops13h 28m

$434

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Thu 7/16

1:18 pm-8:39 pm

1 stop5h 21m

Columbia Regional

Mon 7/20

3:05 pm-10:51 pm

1 stop9h 46m

$508
Cheapest one-way
Quickest one-way

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Thu 4/23

1:34 pm-12:33 am

2 stops8h 59m

$410

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Mon 8/3

1:18 pm-12:33 am

2 stops9h 15m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Columbia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Columbia in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Columbia, Missouri flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Columbia, Missouri flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Columbia, Missouri flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Columbia, Missouri flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Columbia, Missouri flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 April 18, 2026.
Read reviews from past customers who have flown American Airlines from Ontario to Columbia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,607 reviews

Boarding

7.5

Food

6.4

Comfort

7.2

Overall

7.1

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
American Airlines
7.1
Good
11,607 reviews
American Airlines
7.1
Good
11,607 reviews

Boarding

7.5

Food

6.4

Comfort

7.2

Overall

7.1

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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.

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

    Departing from Ontario to Columbia, Missouri will take you 5h 09m. The distance from Ontario to Columbia, Missouri is about 1442 mi.

  • What is the cheapest airline to fly from Ontario to Columbia, Missouri round-trip?

    Our cheapest airline available from Ontario to Columbia, Missouri is American Airlines. Our recent data shows that you can find tickets from as low as $418 on this airline.

  • 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.

See more FAQs

Traveling to a place near Columbia?

Book flights to Columbia 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$519FlexibilityNo cancel feeOn-time71%

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