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$149+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Round-trip from

$278
(Frontier)

One-way from

$149
(Frontier)

Popular in

April

Cheapest in

February

Average price

$380
From Columbus to Ontario
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One-way flight from Columbus to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:21 pmCMH - ONT
1 stop9h 30mFrontier
Sat 5/3112:59 amONT - CMH
1 stop12h 27mFrontier
Deal found 3/26$278
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 5/105:59 pmCMH - ONT
1 stop6h 58mAmerican Airlines
Mon 5/121:14 pmONT - CMH
1 stop6h 02mAmerican Airlines
Deal found 3/25$343
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:40 pmCMH - ONT
1 stop7h 10mSouthwest
Tue 7/295:45 amONT - CMH
1 stop6h 25mSouthwest
Deal found 3/26$347
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 amCMH - ONT
1 stop10h 36mAlaska Airlines
Tue 9/236:00 amONT - CMH
1 stop8h 37mAlaska Airlines
Deal found 3/26$367
This Delta deal was found by Cheapflights users on 3/25. 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.
Thu 4/244:10 pmCMH - ONT
1 stop9h 26mDelta
Sun 4/2710:15 pmONT - CMH
1 stop7h 40mDelta
Deal found 3/25$380
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/178:30 amCMH - ONT
1 stop7h 08mUnited Airlines
Tue 4/225:00 amONT - CMH
1 stop6h 37mUnited Airlines
Deal found 3/27$428
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:31 pmCMH - ONT
1 stop8h 28mHawaiian Airlines
Sun 4/276:00 amONT - CMH
1 stop8h 33mHawaiian Airlines
Deal found 3/26$473
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/44:56 pmCMH - ONT
1 stop8h 02mMultiple Airlines
Wed 4/96:00 amONT - CMH
1 stop8h 27mMultiple Airlines
Deal found 3/26$725

Cheapflights Fare Finder

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 March 28, 2025.
Use the filters below to find and compare flights from Columbus to Ontario that are best for you.

Fly from

Columbus

Fly to

Ontario

Route

Depart

Return

Price

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 5/29

5:21 pm-11:51 pm

1 stop9h 30m

Ontario

Sat 5/31

12:59 am-4:26 pm

1 stop12h 27m

$278

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 5/14

8:05 am-11:50 am

1 stop6h 45m

Ontario

Wed 6/18

2:40 pm-12:28 am

1 stop6h 48m

$345

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 5/3

7:45 am-12:16 pm

1 stop7h 31m

Ontario

Sat 5/10

7:05 am-5:14 pm

1 stop7h 09m

$347

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 9/16

6:33 pm-11:59 pm

1 stop8h 26m

Ontario

Tue 9/23

6:00 am-5:37 pm

1 stop8h 37m

$367

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 5/3

6:30 pm-9:45 pm

1 stop6h 15m

Ontario

Fri 5/9

3:55 pm-12:55 am

1 stop6h 00m

$370

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 4/17

8:30 am-12:38 pm

1 stop7h 08m

Ontario

Tue 4/22

5:00 am-2:37 pm

1 stop6h 37m

$428

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 7/25

6:28 pm-12:13 am

1 stop8h 45m

Ontario

Tue 7/29

4:00 pm-5:11 am

1 stop10h 11m

$546

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 5/23

5:50 pm-10:26 pm

1 stop7h 36m

Ontario

Mon 5/26

6:00 am-5:37 pm

1 stop8h 37m

$845

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 5/29

5:21 pm-11:51 pm

1 stop9h 30m

$149

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 4/29

4:10 pm-10:36 pm

1 stop9h 26m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 14 results
1
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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.

Cheapflights Insights

Everything you need to know about your flight from Columbus to Ontario

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 $326). 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 March 28, 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.

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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta 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
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 Frontier. Our recent data shows that you can find tickets from as low as $278 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $345 and $347 round-trip. These flights start at 39% 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 $149 on Frontier. Other airlines that offer cheap prices include Delta from $172 and American Airlines from $179 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 $326). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$488FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$355Average$442FlexibilityNo cancel feeOn-time63%
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