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$109+ 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
mai 6 — mai 131
mar. 5/6
mar. 5/13
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 mai 1, 2025.

Round-trip from

$305
(Expedia)

One-way from

$109
(Frontier)

Popular in

December

Cheapest in

February

Average price

$355
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. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mai 1, 2025.

This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/225:21 pmCMH - ONT
1 stop9h 30mMultiple Airlines
jeu. 5/294:45 pmONT - CMH
1 stop9h 28mMultiple Airlines
Deal found 4/29$305
This Delta deal was found by Cheapflights users on 4/30. 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.
lun. 6/26:19 pmCMH - ONT
1 stop7h 10mDelta
mar. 6/312:18 pmONT - CMH
1 stop8h 50mDelta
Deal found 4/30$325
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/207:00 amCMH - ONT
1 stop30h 57mAlaska Airlines
mer. 5/214:45 pmONT - CMH
1 stop9h 28mAlaska Airlines
Deal found 4/29$344
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/238:05 amCMH - ONT
1 stop6h 45mAmerican Airlines
dim. 5/251:14 pmONT - CMH
1 stop6h 02mAmerican Airlines
Deal found 4/30$352
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/298:55 amCMH - ONT
1 stop6h 34mUnited Airlines
mar. 6/35:10 amONT - CMH
1 stop6h 22mUnited Airlines
Deal found 4/30$415
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/125:21 pmCMH - ONT
1 stop9h 29mFrontier
mer. 6/1812:59 amONT - CMH
1 stop12h 27mFrontier
Deal found 4/30$432
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:28 pmCMH - ONT
1 stop8h 45mHawaiian Airlines
jeu. 8/74:00 pmONT - CMH
1 stop10h 11mHawaiian Airlines
Deal found 4/29$441
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/236:35 amCMH - ONT
2 stops9h 00mSouthwest
dim. 5/256:30 amONT - CMH
2 stops8h 35mSouthwest
Deal found 4/30$498

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 mai 1, 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

jeu. 5/22

5:21 pm-9:15 am

1 stop18h 54m

Ontario

sam. 5/24

5:21 pm-4:24 pm

1 stop20h 03m

$231

ColumbusOntario

CMH - ONT

CMHONT

Columbus

jeu. 5/22

5:21 pm-11:51 pm

1 stop9h 30m

Ontario

jeu. 5/29

4:45 pm-5:13 am

1 stop9h 28m

$305

ColumbusOntario

CMH - ONT

CMHONT

Columbus

mar. 6/3

4:59 pm-9:10 pm

1 stop7h 11m

Ontario

mar. 6/10

6:41 pm-6:33 am

1 stop8h 52m

$307

ColumbusOntario

CMH - ONT

CMHONT

Columbus

mar. 6/3

11:33 am-6:23 pm

2 stops9h 50m

Ontario

mar. 6/10

12:55 pm-12:30 am

2 stops8h 35m

$317

ColumbusOntario

CMH - ONT

CMHONT

Columbus

lun. 6/2

6:19 pm-10:29 pm

1 stop7h 10m

Ontario

mar. 6/3

12:18 pm-12:08 am

1 stop8h 50m

$325

ColumbusOntario

CMH - ONT

CMHONT

Columbus

mar. 5/20

7:00 am-10:57 am

1 stop30h 57m

Ontario

mer. 5/21

4:45 pm-5:13 am

1 stop9h 28m

$344

ColumbusOntario

CMH - ONT

CMHONT

Columbus

jeu. 5/8

6:31 pm-11:59 pm

1 stop8h 28m

Ontario

lun. 5/12

6:00 am-5:33 pm

1 stop8h 33m

$481

ColumbusOntario

CMH - ONT

CMHONT

Columbus

jeu. 5/29

5:21 pm-11:51 pm

1 stop9h 30m

$109

ColumbusOntario

CMH - ONT

CMHONT

Columbus

mer. 6/4

2:58 pm-9:58 pm

1 stop10h 00m

$154

ColumbusOntario

CMH - ONT

CMHONT

Columbus

lun. 5/26

6:00 am-11:08 am

1 stop8h 08m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $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 mai 1, 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 mai 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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 Delta. Our recent data shows that you can find tickets from as low as $325 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $344 and $352 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 $109 on Frontier. Other airlines that offer cheap prices include American Airlines from $154 and Delta from $172 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 mai 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$391FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$458FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$469FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$355Average$438FlexibilityNo cancel feeOn-time63%

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