HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$174+ Cheap flights from Columbus to Ontario (ONT)

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Columbus to Ontario 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.

The best prices from Columbus to Ontario are usually found in February or August, booked 33 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Columbus to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (C01) to Ontario (ONT). 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 January 21, 2025.

Round-trip from

$343
(Delta)

One-way from

$174
(Delta)

Popular in

December

Cheapest in

February

Average price

$406
From Columbus to Ontario
Search Deals
One-way flight from Columbus to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Columbus to Ontario

Cheapest flights from Columbus to Ontario
Explore the most affordable flight options available from Columbus to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:45 amCMH - ONT
1 stop7h 39mDelta
Thu 3/61:21 pmONT - CMH
1 stop6h 27mDelta
Deal found 1/21$343
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/65:59 pmCMH - ONT
1 stop7h 01mAmerican Airlines
Wed 3/126:10 amONT - CMH
2 stops9h 50mAmerican Airlines
Deal found 1/21$348
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:15 pmCMH - ONT
1 stop19h 47mAlaska Airlines
Sat 3/86:00 amONT - CMH
1 stop8h 19mAlaska Airlines
Deal found 1/21$394
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:10 amCMH - ONT
2 stops11h 45mSouthwest
Sun 2/238:50 amONT - CMH
1 stop9h 40mSouthwest
Deal found 1/20$422
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/194:25 pmCMH - ONT
1 stop7h 27mUnited Airlines
Wed 2/261:44 pmONT - CMH
1 stop5h 46mUnited Airlines
Deal found 1/21$433

Find flights from Columbus to Ontario within your budget

Customize your flight search to find flights from Columbus to Ontario 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 3/4

7:45 am-12:24 pm

1 stop7h 39m

Ontario

Thu 3/6

1:21 pm-10:48 pm

1 stop6h 27m

$343

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 3/6

5:59 pm-10:00 pm

1 stop7h 01m

Ontario

Wed 3/12

6:10 am-7:00 pm

2 stops9h 50m

$348

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 3/1

6:15 pm-11:02 am

1 stop19h 47m

Ontario

Sat 3/8

6:00 am-5:19 pm

1 stop8h 19m

$394

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 2/20

6:10 am-2:55 pm

2 stops11h 45m

Ontario

Sun 2/23

8:50 am-9:30 pm

1 stop9h 40m

$422

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 2/19

4:25 pm-8:52 pm

1 stop7h 27m

Ontario

Wed 2/26

1:44 pm-10:30 pm

1 stop5h 46m

$433

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 2/4

4:08 pm-10:52 pm

1 stop9h 44m

$174

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 3/25

6:23 pm-10:39 am

1 stop19h 16m

$197

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 3/28

5:03 am-10:01 am

1 stop7h 58m

$209

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 3/28

6:20 pm-11:20 pm

2 stops8h 00m

$214

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 2/22

4:25 pm-8:52 pm

1 stop7h 27m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Columbus to Ontario

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

Travel insights for flights from Columbus to Ontario

Get recent, data-driven insights about flights from Columbus to Ontario including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Columbus to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Columbus to Ontario. Price data was last updated on January 17, 2025.

The price you pay for your flight from Columbus to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Columbus to Ontario?

Currently, August is the cheapest month in which you can book a flight from Columbus to Ontario (average of $246). Flying from Columbus to Ontario in March is currently the most expensive (average of $310). 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 time of day to fly from CMH to ONT?

Find hourly flight availability from Columbus to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Columbus to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Columbus to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Columbus to Ontario. Price data was last updated on December 16, 2024.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and United Airlines from Columbus to Ontario by reading reviews from past customers. 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.
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from Columbus?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Columbus. Booking flights from Columbus to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Columbus from 4 different airlines.

  • What are the cheapest airlines flying from Columbus to Ontario round-trip?

    Our cheapest airline available from Columbus to Ontario is Delta. Our recent data shows that you can find tickets from as low as $343 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $348 and $394 round-trip. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Columbus to Ontario one-way?

    One-way options have recently been found by users for as low as $174 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $197 and American Airlines from $209 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbus to Ontario 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 Columbus to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Columbus to Ontario (average of $246). Flying from Columbus to Ontario in March is currently the most expensive (average of $310). 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

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 Columbus to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Las Vegas flights
Cleveland to Las Vegas flights
Cincinnati to Las Vegas flights
Pittsburgh to Las Vegas flights
Detroit to Los Angeles flights
Detroit to San Diego flights
Detroit to San Francisco flights
Cleveland to Los Angeles flights
Columbus to Las Vegas flights
Cincinnati to Los Angeles flights
Cleveland to San Francisco flights
Detroit to Ontario flights
Columbus to Los Angeles flights
Pittsburgh to San Francisco flights
Cincinnati to San Francisco flights
Detroit to Burbank flights
Columbus to San Francisco flights
Detroit to Santa Ana flights
Pittsburgh to Los Angeles flights
Dayton to Las Vegas flights
Detroit to Oakland flights
Cleveland to San Diego flights
Detroit to San Jose flights
Cincinnati to Ontario flights
Columbus to Ontario flights
Columbus to San Diego flights
Cleveland to Ontario flights
Columbus to Santa Ana flights
Cincinnati to San Diego flights
Pittsburgh to Ontario flights
Akron to Las Vegas flights
Dayton to Los Angeles flights
Cincinnati to Palm Springs flights
Pittsburgh to San Diego flights
Dayton to Santa Ana flights
Detroit to Palm Springs flights
Cleveland to Sacramento flights
Detroit to Reno flights
Detroit to Long Beach flights
Cleveland to Santa Ana flights
Cincinnati to Santa Ana flights
Dayton to Ontario flights
Columbus to Palm Springs flights
Cleveland to Burbank flights
Columbus to Burbank flights
Cincinnati to San Jose flights
Detroit to Sacramento flights
Cleveland to Palm Springs flights
Pittsburgh to Santa Ana flights
Cincinnati to Sacramento flights

Top 4 airlines flying from Columbus to Ontario

Discover the top 4 airlines that operate flights from Columbus to Ontario. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$445FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$490FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$406Average$476FlexibilityNo cancel feeOn-time63%
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.