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$133+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$265
(FlightHub)

One-way from

$133
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$379
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 ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:25 pmCMH - ONT
1 stop18h 48mFrontier
Sat 8/165:21 pmONT - CMH
1 stop20h 09mFrontier
Deal found 7/29$265
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:53 pmCMH - ONT
1 stop12h 03mMultiple Airlines
Sat 9/208:00 amONT - CMH
1 stop11h 45mMultiple Airlines
Deal found 7/31$283
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/67:40 amCMH - ONT
1 stop7h 16mAmerican Airlines
Sat 9/1312:47 pmONT - CMH
1 stop6h 23mAmerican Airlines
Deal found 7/29$324
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amCMH - ONT
2 stops9h 14mDelta
Wed 8/276:00 amONT - CMH
2 stops14h 08mDelta
Deal found 7/30$335
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/36:33 pmCMH - ONT
1 stop8h 30mAlaska Airlines
Tue 10/76:00 amONT - CMH
1 stop8h 46mAlaska Airlines
Deal found 7/29$350

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 July 31, 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

Sun 8/10

5:25 pm-9:13 am

1 stop18h 48m

Ontario

Sat 8/16

5:21 pm-4:30 pm

1 stop20h 09m

$265

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 9/13

12:53 pm-9:56 pm

1 stop12h 03m

Ontario

Sat 9/20

8:00 am-10:45 pm

1 stop11h 45m

$283

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 9/6

7:40 am-11:56 am

1 stop7h 16m

Ontario

Sat 9/13

12:47 pm-10:10 pm

1 stop6h 23m

$324

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 8/23

6:00 am-12:14 pm

2 stops9h 14m

Ontario

Wed 8/27

6:00 am-11:08 pm

2 stops14h 08m

$335

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 10/3

6:33 pm-12:03 am

1 stop8h 30m

Ontario

Tue 10/7

6:00 am-5:46 pm

1 stop8h 46m

$350

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 8/23

4:35 pm-8:43 pm

1 stop7h 08m

Ontario

Tue 8/26

7:00 am-4:48 pm

1 stop6h 48m

$415

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sun 8/24

8:30 pm-11:50 pm

1 stop6h 20m

$133

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 9/9

12:53 pm-9:56 pm

1 stop12h 03m

$135

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 9/30

6:54 am-2:12 pm

1 stop10h 18m

$162

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 8/20

7:03 am-1:39 pm

1 stop9h 36m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 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 $328). 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 July 31, 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.

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 July 31, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Columbus to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $265 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $324 and $335 round-trip. These flights start at 36% 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 $133 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $162 and American Airlines from $163 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 $328). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$424FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$437FlexibilityNo cancel feeOn-time63%

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