HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Columbia

$466+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COU
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
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

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 julio 2, 2025.

Round-trip from

$466
(American Airlines)

Popular in

February

Cheapest in

July

Average price

$421
From Ontario to Columbia Regional
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 2, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
mar. 7/296:15 amONT - COU
2 stops11h 00mAmerican Airlines
mar. 8/512:35 pmCOU - ONT
1 stop8h 18mAmerican Airlines
Deal found 6/30$466
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:38 pmONT - COU
2 stops23h 52mUnited Airlines
dom. 11/99:00 amCOU - ONT
2 stops29h 37mUnited Airlines
Deal found 6/30$495

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 julio 2, 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

mar. 7/29

6:15 am-7:15 pm

2 stops11h 00m

Columbia Regional

mar. 8/5

12:35 pm-6:53 pm

1 stop8h 18m

$466

OntarioColumbia

ONT - COU

ONTCOU

Ontario

jue. 11/6

6:38 pm-8:30 pm

2 stops23h 52m

Columbia Regional

dom. 11/9

9:00 am-12:37 pm

2 stops29h 37m

$495

OntarioColumbia

ONT - COU

ONTCOU

Ontario

sáb. 11/29

5:40 am-8:30 pm

1 stop12h 50m

$474

OntarioColumbia

ONT - COU

ONTCOU

Ontario

jue. 7/10

2:40 pm-10:39 pm

1 stop5h 59m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 julio 2, 2025.
Read reviews from past customers who have flown United Airlines and 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.
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

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
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

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
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

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 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 $466 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.

  • 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

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 St. Louis flights
San Francisco to St. Louis flights
Los Angeles to Kansas City flights
Ontario to St. Louis flights
Sacramento to Kansas City flights
Ontario to Kansas City flights
San Francisco to Kansas City flights
Las Vegas to St. Louis flights
San Diego to St. Louis flights
Burbank to St. Louis flights
San Diego to Kansas City flights
Sacramento to St. Louis flights
Las Vegas to Kansas City flights
Santa Ana to Kansas City flights
Oakland to Kansas City flights
Los Angeles to Springfield flights
San Jose to St. Louis flights
Burbank to Kansas City flights
Ontario to Springfield flights
Long Beach to St. Louis flights
Santa Ana to St. Louis flights
San Francisco to Springfield flights
Oakland to St. Louis flights
Reno to Springfield flights
San Jose to Kansas City flights
Long Beach to Kansas City flights
San Diego to Springfield flights
Sacramento to Springfield flights
Santa Ana to Springfield flights
Reno to Kansas City flights
Fresno to Kansas City flights
Fresno to St. Louis flights
Fresno to Springfield flights
Medford to Kansas City flights
Arcata to Branson flights
Reno to St. Louis flights
Las Vegas to Springfield flights
Santa Barbara to St. Louis flights
Burbank to Springfield flights
Los Angeles to Columbia flights
Palm Springs to St. Louis flights
Medford to St. Louis flights
San Luis Obispo to Kansas City flights
Palm Springs to Springfield flights
Bakersfield to St. Louis flights
Palm Springs to Kansas City flights
Oakland to Springfield flights
San Francisco to Columbia flights
San Diego to Joplin flights
Monterey 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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$444Average$789FlexibilityNo 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.