$120+ Cheap flights from Columbus (CMH) 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Aug 1 — Aug 81
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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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 July 2, 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 July 2, 2026.
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Wed 8/196:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 6/30![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Thu 8/1310:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 6/27![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop20h 17m
Frontier
Tue 7/2810:49 am
ONT
- CMH
1 stop26h 13m
Frontier
Deal found 7/1![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 6/28. 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 8/143:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Mon 8/246:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 6/28![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Wed 7/296:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 6/30. 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.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Sun 8/1610:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 6/30![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 6/29. 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.
Wed 9/234:57 pm
CMH
- ONT
1 stop9h 58m
Multiple Airlines
Mon 9/283:14 pm
ONT
- CMH
1 stop10h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$300
This Frontier deal was found by Cheapflights users on 7/1. 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 7/244:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$304
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:57 pm
CMH
- ONT
1 stop9h 58m
Multiple Airlines
Wed 9/233:14 pm
ONT
- CMH
1 stop10h 54m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$305
This Frontier deal was found by Cheapflights users on 7/1. 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 7/204:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$311
This CheapOair deal was found by Cheapflights users on 6/30. 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.
Mon 9/144:57 pm
CMH
- ONT
1 stop24h 00m
Frontier
Thu 9/172:55 pm
ONT
- CMH
1 stop22h 02m
Frontier
Deal found 6/30![Frontier logo]()
$314
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 July 2, 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 July 2, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
CMH
- ONT
1 stop8h 16m
Delta
Mon 8/1010:00 pm
ONT
- CMH
1 stop7h 57m
Delta
Deal found 6/29![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:30 pm
CMH
- ONT
2 stops10h 31m
United Airlines
Thu 9/37:13 pm
ONT
- CMH
1 stop7h 09m
United Airlines
Deal found 7/1![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:05 pm
CMH
- ONT
2 stops7h 50m
Southwest
Wed 8/197:45 am
ONT
- CMH
2 stops8h 00m
Southwest
Deal found 6/27![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:30 pm
CMH
- ONT
2 stops11h 23m
United Airlines
Sat 9/198:00 am
ONT
- CMH
1 stop7h 01m
United Airlines
Deal found 7/1![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 pm
CMH
- ONT
1 stop6h 25m
Southwest
Mon 9/285:15 am
ONT
- CMH
2 stops8h 45m
Southwest
Deal found 6/29![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 9/255:07 pm
CMH
- ONT
1 stop8h 19m
Delta
Sun 10/410:00 pm
ONT
- CMH
1 stop9h 01m
Delta
Deal found 7/1![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm
CMH
- ONT
1 stop6h 10m
Southwest
Wed 8/268:30 am
ONT
- CMH
1 stop9h 00m
Southwest
Deal found 7/1![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 9/36:11 pm
CMH
- ONT
1 stop7h 24m
United Airlines
Tue 9/87:00 am
ONT
- CMH
1 stop6h 55m
United Airlines
Deal found 6/30![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
CMH
- ONT
1 stop8h 12m
United Airlines
Sat 8/86:10 am
ONT
- CMH
1 stop7h 43m
United Airlines
Deal found 6/29![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:20 am
CMH
- ONT
2 stops12h 51m
United Airlines
Wed 9/307:00 am
ONT
- CMH
1 stop7h 05m
United Airlines
Deal found 7/1![United Airlines logo]()
$452
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated July 2, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/1. 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 7/204:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop20h 17m
Frontier
Tue 7/2810:49 am
ONT
- CMH
1 stop26h 13m
Frontier
Deal found 7/1![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/224:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Wed 7/296:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 7/1. 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 7/244:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 7/1![Frontier logo]()
$304
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Mon 7/274:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Thu 7/3010:49 am
ONT
- CMH
1 stop26h 13m
Frontier
Deal found 7/1![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 6/30. 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 7/314:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Mon 8/36:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 6/30![Frontier logo]()
$318
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Thu 8/1310:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 6/27![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 6/30. 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.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Sun 8/1610:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 6/30![Frontier logo]()
$290
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Multiple Airlines
Wed 8/125:54 pm
ONT
- CMH
1 stop8h 46m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Wed 8/196:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 6/30![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 6/28. 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 8/143:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Mon 8/246:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 6/28![Frontier logo]()
$280
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 July 2, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Super.com deal was found by Cheapflights users on 7/1. 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.
Wed 8/268:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Deal found 7/1![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 6/28. 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 9/28:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Deal found 6/28![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 7/1. 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.
Mon 8/173:22 pm
CMH
- ONT
1 stop21h 42m
Frontier
Deal found 7/1![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/30. 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.
Mon 8/103:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Deal found 6/30![Frontier logo]()
$127
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:57 pm
CMH
- ONT
1 stop24h 00m
Frontier
Deal found 6/27![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 6/28. 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 7/294:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Deal found 6/28![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 6/28. 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 7/314:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Deal found 6/28![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 6/28. 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 9/78:27 pm
CMH
- ONT
1 stop16h 37m
Frontier
Deal found 6/28![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:44 pm
CMH
- ONT
2 stops40h 48m
Frontier
Deal found 6/29![Frontier logo]()
$173
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:48 pm
CMH
- ONT
1 stop8h 36m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:28 pm
CMH
- ONT
2 stops39h 44m
Frontier
Deal found 6/30![Frontier logo]()
$176
This Super.com deal was found by Cheapflights users on 6/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Deal found 6/30![Frontier logo]()
$178
Find flight deals from Columbus to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) 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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Expedia) |
One-way from | $121 (Frontier) |
Popular in | February |
Cheapest in | August |
Average price | $476 |
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 2, 2026.
Use the filters below to find and compare flights from Columbus Airport to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 8/10
7:00 am-12:16 pm
1 stop8h 16m
Ontario
Mon 8/10
10:00 pm-8:57 am
1 stop7h 57m
$347
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 8/20
12:30 pm-8:01 pm
2 stops10h 31m
Ontario
Thu 9/3
7:13 pm-5:22 am
1 stop7h 09m
$352
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 9/12
12:30 pm-8:53 pm
2 stops11h 23m
Ontario
Sat 9/19
8:00 am-6:01 pm
1 stop7h 01m
$352
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 8/12
4:05 pm-8:55 pm
2 stops7h 50m
Ontario
Wed 8/19
7:45 am-6:45 pm
2 stops8h 00m
$357
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 9/23
6:35 pm-10:00 pm
1 stop6h 25m
Ontario
Mon 9/28
5:15 am-5:00 pm
2 stops8h 45m
$369
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 9/25
5:07 pm-10:26 pm
1 stop8h 19m
Ontario
Sun 10/4
10:00 pm-10:01 am
1 stop9h 01m
$403
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 8/23
6:50 pm-10:00 pm
1 stop6h 10m
Ontario
Wed 8/26
8:30 am-8:30 pm
1 stop9h 00m
$412
Quickest round-trip
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 9/3
6:11 pm-10:35 pm
1 stop7h 24m
Ontario
Tue 9/8
7:00 am-4:55 pm
1 stop6h 55m
$447
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 8/4
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Sat 8/8
6:10 am-4:53 pm
1 stop7h 43m
$447
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 9/29
5:20 am-3:11 pm
2 stops12h 51m
Ontario
Wed 9/30
7:00 am-5:05 pm
1 stop7h 05m
$452
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Columbus to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbus to Ontario in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Columbus Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbus Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbus Airport-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Columbus Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Columbus Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
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 Airport to Ontario
What is the cheapest month to book a flight from Columbus Airport to Ontario?
Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $341). Flying from Columbus Airport to Ontario in February is currently the most expensive (average of $694). 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 Airport 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 July 2, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Columbus Airport to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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Alternative routes for Columbus to Ontario
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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 July 2, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on July 2, 2026.
Other flights from Columbus
Browse through other flights departing from Columbus. Flights are based on user searches made on Cheapflights and were last updated on July 2, 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 July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$341 | Average$486 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$493 | FlexibilityNo cancel fee | On-time63% |