HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$174+ Cheap flights from Columbus (CMH) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
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 (CMH) 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 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$337
(United Airlines)

One-way from

$174
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$380
Provider with most accurate pricing for Columbus-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Columbus-Ontario flights.
Search Deals
From Columbus to Ontario
Search Deals
One-way flight from Columbus to Ontario
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
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 16, 2025.

This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/16:00 pmCMH - ONT
1 stop7h 52mDelta
Sat 2/87:05 amONT - CMH
1 stop9h 32mDelta
Deal found 1/16$347
This United Airlines deal was found by Cheapflights users on 1/16. 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 2/126:00 amCMH - ONT
2 stops9h 41mUnited Airlines
Wed 2/1910:36 amONT - CMH
2 stops8h 54mUnited Airlines
Deal found 1/16$357
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:15 pmCMH - ONT
1 stop19h 47mAlaska Airlines
Sun 3/26:00 amONT - CMH
1 stop8h 19mAlaska Airlines
Deal found 1/16$381
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/63:39 pmCMH - ONT
1 stop8h 23mAmerican Airlines
Wed 3/122:54 pmONT - CMH
1 stop6h 32mAmerican Airlines
Deal found 1/16$382
This Southwest deal was found by Cheapflights users on 1/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:20 pmCMH - ONT
2 stops8h 00mSouthwest
Wed 3/122:05 pmONT - CMH
1 stop8h 40mSouthwest
Deal found 1/16$417

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 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 2/12

8:43 am-12:41 pm

1 stop6h 58m

Ontario

Wed 2/19

1:44 pm-10:30 pm

1 stop5h 46m

$337

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 2/5

6:17 pm-10:38 am

1 stop19h 21m

Ontario

Wed 2/12

6:00 am-5:17 pm

1 stop8h 17m

$346

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 2/1

6:00 pm-10:52 pm

1 stop7h 52m

Ontario

Wed 2/5

7:05 am-7:37 pm

1 stop9h 32m

$347

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 2/14

5:59 pm-10:04 pm

1 stop7h 05m

Ontario

Sun 2/23

11:59 pm-10:52 am

1 stop7h 53m

$417

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 3/6

6:20 pm-11:20 pm

2 stops8h 00m

Ontario

Wed 3/12

6:35 am-6:15 pm

2 stops8h 40m

$422

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 2/25

5:02 am-10:01 am

1 stop7h 59m

$174

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 4/15

6:23 pm-10:39 am

1 stop19h 16m

$197

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 2/27

11:45 am-10:32 pm

2 stops13h 47m

$202

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 3/18

4:45 pm-9:59 pm

1 stop8h 14m

$219

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sun 3/2

5:15 am-12:15 pm

2 stops10h 00m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Compare providers for flights from Columbus to Ontario

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 Columbus to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 Columbus Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbus Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbus Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbus Airport-Ontario 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 Columbus Airport-Ontario 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 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 Airport 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 10, 2025.

To ensure you get the cheapest price possible for a flight from Columbus Airport to Ontario, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $246). Flying from Columbus Airport to Ontario in March is currently the most expensive (average of $311). 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 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Columbus Airport 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.

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 16, 2025.
Read reviews from past customers who have flown United Airlines and Alaska Airlines from Columbus to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

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
4,659 reviews

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

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?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Columbus. On average, Ontario has 0 inbound flights from Columbus per day from 4 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $337. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $346 and $347, respectively. These flights start at 24% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $174. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Columbus Airport to Ontario for a low price.

  • 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 Airport to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $246). Flying from Columbus Airport to Ontario in March is currently the most expensive (average of $311). 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.

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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$306Average$511FlexibilityNo cancel feeOn-time69%
DeltaCheapest$310Average$425FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$356Average$493FlexibilityNo 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.