$116+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Mar 18 — Mar 251
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Columbus to Ontario
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Cheapest flights from Columbus to OntarioExplore 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 February 16, 2026.
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 February 16, 2026.
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Sun 4/1912:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/13![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Sun 4/1912:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/15![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 2/12. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/12![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/12. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/12![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:13 pm
CMH
- ONT
1 stop28h 21m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/13![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 2/13. 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 3/58:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/13![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 2/14. 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 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/14![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 2/14. 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.
Fri 4/37:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Mon 4/66:20 am
ONT
- CMH
1 stop8h 59m
Frontier
Deal found 2/14![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Sat 5/1612:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/15![Frontier logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/15. 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 4/113:51 pm
CMH
- ONT
1 stop10h 55m
American Airlines
Sat 4/187:30 am
ONT
- CMH
1 stop13h 09m
American Airlines
Deal found 2/15![American Airlines logo]()
$283
This Frontier deal was found by Cheapflights users on 2/14. 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.
Sun 3/157:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/14![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 2/12. 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 2/268:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/12![Frontier logo]()
$290
Best flights from Columbus to OntarioDiscover carefully curated flight deals from Columbus to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
Discover carefully curated flight deals from Columbus to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Sun 4/1912:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/15![Frontier logo]()
$222
This Delta deal was found by Cheapflights users on 2/13. 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 3/104:34 pm
CMH
- ONT
1 stop7h 26m
Delta
Wed 3/181:20 pm
ONT
- CMH
1 stop6h 35m
Delta
Deal found 2/13![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 4/287:17 pm
CMH
- ONT
1 stop17h 28m
Alaska Airlines
Tue 5/510:39 am
ONT
- CMH
1 stop28h 42m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$363
This Frontier deal was found by Cheapflights users on 2/12. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/12![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/13. 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 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Sun 3/156:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/13![Frontier logo]()
$270
This Delta deal was found by Cheapflights users on 2/15. 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 3/317:07 am
CMH
- ONT
1 stop7h 40m
Delta
Wed 4/812:57 pm
ONT
- CMH
1 stop8h 27m
Delta
Deal found 2/15![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 2/13. 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 3/104:34 pm
CMH
- ONT
1 stop7h 26m
Delta
Tue 3/1712:57 pm
ONT
- CMH
1 stop8h 27m
Delta
Deal found 2/13![Delta logo]()
$317
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:51 pm
CMH
- ONT
1 stop19h 17m
Alaska Airlines
Wed 3/114:02 pm
ONT
- CMH
1 stop22h 53m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 2/15. 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 3/317:07 am
CMH
- ONT
1 stop7h 40m
Delta
Thu 4/91:20 pm
ONT
- CMH
1 stop6h 35m
Delta
Deal found 2/15![Delta logo]()
$350
This Frontier deal was found by Cheapflights users on 2/12. 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 2/268:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Sun 3/16:10 am
ONT
- CMH
1 stop10h 14m
Frontier
Deal found 2/12![Frontier logo]()
$362
This Delta deal was found by Cheapflights users on 2/15. 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 3/317:07 am
CMH
- ONT
1 stop7h 40m
Delta
Fri 4/1012:57 pm
ONT
- CMH
1 stop8h 27m
Delta
Deal found 2/15![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 2/15. 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.
Wed 4/14:34 pm
CMH
- ONT
1 stop7h 26m
Delta
Wed 4/812:57 pm
ONT
- CMH
1 stop8h 27m
Delta
Deal found 2/15![Delta logo]()
$406
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated February 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/13. 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 2/198:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Sun 2/226:10 am
ONT
- CMH
1 stop10h 14m
Frontier
Deal found 2/13![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 2/13. 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.
Sun 3/18:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/13![Frontier logo]()
$316
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:13 pm
CMH
- ONT
1 stop28h 21m
Frontier
Thu 3/56:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/13![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 2/13. 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 3/58:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/13![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 2/14. 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 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/14![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 2/13. 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 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Sun 3/156:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/13![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 2/14. 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.
Sun 3/157:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/14![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:33 pm
CMH
- ONT
1 stop7h 26m
Multiple Airlines
Mon 3/309:49 pm
ONT
- CMH
2 stops32h 52m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 2/16. 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.
Tue 3/317:05 am
CMH
- ONT
1 stop8h 18m
Delta
Tue 4/1410:15 pm
ONT
- CMH
1 stop7h 45m
Delta
Deal found 2/16![Delta logo]()
$317
One-way flights from Columbus to OntarioSearch for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This Frontier deal was found by Cheapflights users on 2/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Deal found 2/16![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/13. 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 3/197:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Deal found 2/13![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 2/14. 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.
Fri 4/37:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Deal found 2/14![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:07 pm
CMH
- ONT
2 stops37h 52m
Frontier
Deal found 2/13![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 2/15. 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.
Sun 3/87:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Deal found 2/15![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:51 pm
CMH
- ONT
2 stops20h 15m
Frontier
Deal found 2/13![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 2/13. 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 3/177:05 am
CMH
- ONT
1 stop8h 18m
Delta
Deal found 2/13![Delta logo]()
$159
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Tue 3/173:45 pm
CMH
- ONT
2 stops9h 22m
American Airlines
Deal found 2/15![American Airlines logo]()
$164
This Super.com deal was found by Cheapflights users on 2/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Deal found 2/15![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 2/13. 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 2/268:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Deal found 2/13![Frontier logo]()
$181
Find 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 February 16, 2026.
Round-trip from | $201 (CheapOair) |
|---|---|
One-way from | $116 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $605 |
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 February 16, 2026.
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
Fri 4/17
8:18 pm-11:55 pm
1 stop6h 37m
Ontario
Sun 4/19
12:59 am-7:23 pm
1 stop15h 24m
$222
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 2/23
8:13 pm-11:59 pm
1 stop6h 46m
Ontario
Thu 3/5
6:05 am-7:23 pm
1 stop10h 18m
$225
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 3/12
7:33 pm-11:59 pm
1 stop7h 26m
Ontario
Sun 3/15
6:15 am-6:38 pm
1 stop9h 23m
$270
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/10
4:34 pm-9:00 pm
1 stop7h 26m
Ontario
Wed 3/18
1:20 pm-10:55 pm
1 stop6h 35m
$317
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/31
7:07 am-11:47 am
1 stop7h 40m
Ontario
Wed 4/8
12:57 pm-12:24 am
1 stop8h 27m
$317
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/10
4:34 pm-9:00 pm
1 stop7h 26m
Ontario
Tue 3/17
12:57 pm-12:24 am
1 stop8h 27m
$317
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/31
7:07 am-11:47 am
1 stop7h 40m
Ontario
Thu 4/9
1:20 pm-10:55 pm
1 stop6h 35m
$350
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/31
7:07 am-11:47 am
1 stop7h 40m
Ontario
Fri 4/10
12:57 pm-12:24 am
1 stop8h 27m
$350
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 2/26
8:08 pm-11:59 pm
1 stop6h 51m
Ontario
Sun 3/1
6:10 am-7:24 pm
1 stop10h 14m
$362
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 4/28
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Tue 5/5
10:39 am-6:21 pm
1 stop28h 42m
$363
Showing 1-10 of 23 results
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.
C01-ONT
CMH-ONT
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
C01-ONT
CMH-ONT
What is the cheapest month to book a flight from Columbus to Ontario?
Currently, May is the cheapest month in which you can book a flight from Columbus to Ontario (average of $112). Flying from Columbus to Ontario in March is currently the most expensive (average of $243). 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.
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 February 16, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
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.
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Alternative routes for Columbus to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Columbus to Ontario by cabin class
Find flights from Columbus to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 16, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on February 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$347 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$437 | FlexibilityNo cancel fee | On-time63% |