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 $444 on this airline.

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.

What is the cheapest day to fly from Ontario to Columbia, Missouri?

Travelers seeking maximum savings on their Ontario to Columbia, Missouri flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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

Users have found that flying from Ontario to Columbia, Missouri on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Ontario to Columbia, Missouri?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, October can be a great choice for travel to Columbia, Missouri. Flights to Columbia, Missouri from Ontario in October are about $623 on average during October, but can be found for as low as $338.

What is the cheapest time of day to fly from ONT to COU?

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Ontario to Columbia, Missouri by exploring options for tickets at noon.

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.

$523+ Flights from Ontario to Columbia, MO

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Cheap flight deals from Ontario to Columbia

Round-trip from	$523 (American Airlines)
Popular in	September
Cheapest in	October
Average price	$471

From Ontario to Columbia Regional

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($67 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($65 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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 August 14, 2025.

Fri 9/512:45 pmONT - COU

1 stop8h 00mAmerican Airlines

Sat 9/64:23 pmCOU - ONT

1 stop8h 10mAmerican Airlines

Deal found 8/13

$523

Thu 8/2112:47 pmONT - COU

1 stop7h 42mAmerican Airlines

Sun 8/247:27 amCOU - ONT

1 stop6h 26mAmerican Airlines

Deal found 8/13

$570

Best flights from Ontario to Columbia
Discover carefully curated flight deals from Ontario to Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Fri 9/512:45 pmONT - COU

1 stop8h 00mAmerican Airlines

Sat 9/64:23 pmCOU - ONT

1 stop8h 10mAmerican Airlines

Deal found 8/13

$523

Last-minute flights from Ontario to Columbia
Discover last-minute flight deals from Ontario to Columbia. Data last updated August 14, 2025 and is based on user searches.

Thu 8/2112:47 pmONT - COU

1 stop7h 42mAmerican Airlines

Sun 8/247:27 amCOU - ONT

1 stop6h 26mAmerican Airlines

Deal found 8/13

$570

Fri 9/512:45 pmONT - COU

1 stop8h 00mAmerican Airlines

Sat 9/64:23 pmCOU - ONT

1 stop8h 10mAmerican Airlines

Deal found 8/13

$523

Fly from

Fly to

Route

Depart

Return

Price

OntarioColumbia

ONT - COU

ONTCOU

Ontario

Fri 9/5

12:45 pm-10:45 pm

1 stop8h 00m

Columbia Regional

Sat 9/6

4:23 pm-10:33 pm

1 stop8h 10m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

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

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

MIA - DCA

Related info for your journey

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 $444 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

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Top airline flying from Ontario to Columbia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$444	Average$789	FlexibilityNo cancel fee	On-time71%

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$523+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Columbia with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Columbia

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Columbia

Cheapest flights from Ontario to ColumbiaExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

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

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.

Reviews of airlines servicing Columbia

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.

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?

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

How can I find direct flights from Ontario to Columbia?

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

What is the cheapest month to book a flight from Ontario to Columbia, Missouri?

Traveling to a place near Columbia?

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Alternative routes for Ontario to Columbia

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Top airline flying from Ontario to Columbia

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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 August 14, 2025.