HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Columbia

$348+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COU
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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 9/31:18 pm
ONT
-
COU
1 stop5h 41m
United Airlines
Mon 9/213:11 pm
COU
-
ONT
1 stop9h 48m
United Airlines
Deal found 7/28$348
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/612:33 pm
ONT
-
COU
1 stop7h 55m
American Airlines
Sun 9/137:44 pm
COU
-
ONT
1 stop5h 52m
American Airlines
Deal found 7/30$389
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/612:33 pm
ONT
-
COU
1 stop7h 55m
American Airlines
Tue 8/117:00 am
COU
-
ONT
1 stop8h 31m
American Airlines
Deal found 7/27$433
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/289:01 am
ONT
-
COU
2 stops11h 54m
United Airlines
Sun 8/309:00 am
COU
-
ONT
1 stop5h 50m
United Airlines
Deal found 7/26$459

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$574
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. 18% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 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

Thu 9/3

1:18 pm-8:59 pm

1 stop5h 41m

Columbia Regional

Mon 9/21

3:11 pm-10:59 pm

1 stop9h 48m

$348

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Sun 9/6

12:33 pm-10:28 pm

1 stop7h 55m

Columbia Regional

Sun 9/13

7:44 pm-11:36 pm

1 stop5h 52m

$389

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Wed 8/5

2:27 pm-10:28 pm

1 stop6h 01m

Columbia Regional

Tue 8/18

5:17 pm-10:59 pm

1 stop7h 42m

$488
Quickest round-trip

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Tue 8/4

1:18 pm-8:39 pm

1 stop5h 21m

Columbia Regional

Wed 8/12

9:00 am-12:50 pm

1 stop5h 50m

$523

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Fri 8/28

9:01 am-10:55 pm

2 stops11h 54m

Columbia Regional

Sun 8/30

9:00 am-8:01 pm

2 stops13h 01m

$549
Cheapest one-way

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Fri 11/6

6:37 pm-10:44 am

2 stops14h 07m

$384

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Thu 10/22

5:00 am-8:33 pm

1 stop13h 33m

$412
Quickest one-way

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Tue 9/15

9:01 am-8:39 pm

2 stops9h 38m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Sorted by cheapest first

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 July.
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 July 31, 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
11,842 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,842 reviews
American Airlines
7.1
Good
11,842 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 41m. The distance from Ontario to Columbia, Missouri is about 1442 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kansas City flights
Los Angeles to St. Louis flights
San Francisco to St. Louis flights
San Francisco to Kansas City flights
Ontario to St. Louis flights
San Diego to Kansas City flights
Ontario to Kansas City flights
San Diego to St. Louis flights
Las Vegas to St. Louis flights
San Jose to St. Louis flights
Sacramento to St. Louis flights
Las Vegas to Kansas City flights
Sacramento to Kansas City flights
Burbank to St. Louis flights
Los Angeles to Springfield flights
Oakland to St. Louis flights
Long Beach to St. Louis flights
Oakland to Kansas City flights
Santa Ana to Kansas City flights
Sacramento to Springfield flights
Santa Ana to St. Louis flights
San Jose to Kansas City flights
San Francisco to Springfield flights
Ontario to Springfield flights
Santa Ana to Springfield flights
Burbank to Kansas City flights
Fresno to Kansas City flights
Reno to Kansas City flights
Fresno to Springfield flights
Santa Barbara to St. Louis flights
Palm Springs to Springfield flights
Long Beach to Kansas City flights
Las Vegas to Springfield flights
Reno to Springfield flights
San Diego to Springfield flights
Reno to St. Louis flights
Fresno to St. Louis flights
San Jose to Springfield flights
Bakersfield to St. Louis flights
Los Angeles to Columbia flights
Palm Springs to Kansas City flights
San Luis Obispo to Springfield flights
Los Angeles to Joplin flights
San Francisco to Columbia flights
Palm Springs to St. Louis flights
San Luis Obispo to Kansas City flights
Burbank to Springfield flights

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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$570FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.