$80+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
May 4 — May 111
Round-trip
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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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 April 4, 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 April 4, 2026.
This CheapOair deal was found by Cheapflights users on 4/2. 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 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sat 4/2512:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 4/2![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 4/1. 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 5/47:58 pm
CMH
- ONT
1 stop6h 57m
Frontier
Mon 5/116:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/1![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/1. 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
Thu 4/2312:59 am
ONT
- CMH
1 stop14h 59m
Frontier
Deal found 4/1![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Thu 5/710:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 3/31![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 3/30. 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.
Fri 5/296:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 6/16:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/30![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 3/31. 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 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
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/31![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/1. 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 4/168:18 pm
CMH
- ONT
1 stop14h 13m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 4/1![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sun 4/2612:59 am
ONT
- CMH
1 stop13h 50m
Frontier
Deal found 3/30![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/30. 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.
Wed 5/276:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Wed 6/36:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/30![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 4/1. 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 5/86:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/1![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/3. 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 4/308:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Sun 5/35:12 pm
ONT
- CMH
1 stop22h 51m
Frontier
Deal found 4/3![Frontier logo]()
$241
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 April 4, 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 April 4, 2026.
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Mon 5/46:04 pm
CMH
- ONT
1 stop7h 31m
United Airlines
Thu 5/75:00 am
ONT
- CMH
1 stop6h 33m
United Airlines
Deal found 4/3![United Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 3/30. 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.
Mon 5/114:20 pm
CMH
- ONT
2 stops9h 45m
Southwest
Sun 5/173:50 pm
ONT
- CMH
2 stops14h 20m
Southwest
Deal found 3/30![Southwest logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:46 pm
CMH
- ONT
1 stop8h 38m
Alaska Airlines
Tue 9/153:09 pm
ONT
- CMH
1 stop10h 59m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 4/1. 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.
Sun 8/212:05 pm
CMH
- ONT
2 stops12h 39m
Delta
Sun 8/910:00 pm
ONT
- CMH
1 stop7h 58m
Delta
Deal found 4/1![Delta logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:17 pm
CMH
- ONT
1 stop17h 28m
Alaska Airlines
Tue 4/286:00 am
ONT
- CMH
1 stop9h 21m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:38 am
CMH
- ONT
2 stops12h 58m
United Airlines
Sat 5/96:59 pm
ONT
- CMH
2 stops11h 43m
United Airlines
Deal found 3/31![United Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 4/1. 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 4/158:05 am
CMH
- ONT
2 stops11h 20m
Delta
Sat 4/2510:15 pm
ONT
- CMH
1 stop7h 45m
Delta
Deal found 4/1![Delta logo]()
$497
This Southwest deal was found by Cheapflights users on 4/2. 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.
Wed 4/225:55 am
CMH
- ONT
1 stop8h 40m
Southwest
Mon 4/2711:55 pm
ONT
- CMH
1 stop7h 20m
Southwest
Deal found 4/2![Southwest logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/3. 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 6/35:01 pm
CMH
- ONT
1 stop7h 54m
United Airlines
Thu 6/41:18 pm
ONT
- CMH
1 stop6h 19m
United Airlines
Deal found 4/3![United Airlines logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 8/117:00 am
CMH
- ONT
1 stop9h 09m
Alaska Airlines
Sat 8/223:02 pm
ONT
- CMH
1 stop11h 06m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$514
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated April 4, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated April 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/1. 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 4/168:18 pm
CMH
- ONT
1 stop14h 13m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 4/1![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/1. 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
Thu 4/2312:59 am
ONT
- CMH
1 stop14h 59m
Frontier
Deal found 4/1![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/31. 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 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
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/31![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/2. 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 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sat 4/2512:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 4/2![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sun 4/2612:59 am
ONT
- CMH
1 stop13h 50m
Frontier
Deal found 3/30![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Thu 5/710:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 3/31![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/3. 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 4/308:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Sun 5/35:12 pm
ONT
- CMH
1 stop22h 51m
Frontier
Deal found 4/3![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 4/1. 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 5/47:58 pm
CMH
- ONT
1 stop6h 57m
Frontier
Mon 5/116:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/1![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/1. 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 5/86:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/1![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 3/30. 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.
Wed 5/276:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Wed 6/36:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/30![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 3/30. 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.
Fri 5/296:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 6/16:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/30![Frontier logo]()
$210
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 April 4, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
This Frontier deal was found by Cheapflights users on 4/1. 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 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Deal found 4/1![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 3/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:15 pm
CMH
- ONT
1 stop14h 16m
Frontier
Deal found 3/31![Frontier logo]()
$84
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Deal found 3/30![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 4/1. 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 5/296:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 4/1![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 4/2. 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.
Sun 4/198:19 pm
CMH
- ONT
1 stop14h 12m
Frontier
Deal found 4/2![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/168:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Deal found 4/1![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:21 pm
CMH
- ONT
1 stop6h 34m
Frontier
Deal found 3/31![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/2. 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 4/178:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Deal found 4/2![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:20 pm
CMH
- ONT
2 stops41h 45m
Frontier
Deal found 3/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/316:05 pm
CMH
- ONT
2 stops40h 30m
Frontier
Deal found 4/3![Frontier logo]()
$139
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 April 4, 2026.
Round-trip from | $171 (CheapOair) |
|---|---|
One-way from | $80 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $429 |
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 April 4, 2026.
Use the filters below to find and compare flights from Columbus to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 5/4
6:04 pm-10:35 pm
1 stop7h 31m
Ontario
Thu 5/7
5:00 am-2:33 pm
1 stop6h 33m
$447
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 5/11
4:20 pm-11:05 pm
2 stops9h 45m
Ontario
Sun 5/17
3:50 pm-9:10 am
2 stops14h 20m
$465
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 9/9
5:46 pm-11:24 pm
1 stop8h 38m
Ontario
Tue 9/15
3:09 pm-5:08 am
1 stop10h 59m
$477
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 8/2
12:05 pm-9:44 pm
2 stops12h 39m
Ontario
Sun 8/9
10:00 pm-8:58 am
1 stop7h 58m
$482
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 4/25
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Tue 4/28
6:00 am-6:21 pm
1 stop9h 21m
$483
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 5/5
10:38 am-8:36 pm
2 stops12h 58m
Ontario
Sat 5/9
6:59 pm-9:42 am
2 stops11h 43m
$497
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 4/15
8:05 am-4:25 pm
2 stops11h 20m
Ontario
Sat 4/25
10:15 pm-9:00 am
1 stop7h 45m
$497
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 4/22
5:55 am-11:35 am
1 stop8h 40m
Ontario
Mon 4/27
11:55 pm-10:15 am
1 stop7h 20m
$509
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 6/3
5:01 pm-9:55 pm
1 stop7h 54m
Ontario
Thu 6/4
1:18 pm-10:37 pm
1 stop6h 19m
$512
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 8/11
7:00 am-1:09 pm
1 stop9h 09m
Ontario
Sat 8/22
3:02 pm-5:08 am
1 stop11h 06m
$514
Showing 1-10 of 20 resultsSorted by cheapest first
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 $258). 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.
How much does it cost to fly round-trip from Columbus to Ontario?
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 April 4, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 4, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on April 4, 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 April 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$395 | Average$449 | FlexibilityNo cancel fee | On-time63% |