$119+ Cheap flights from Columbus to Ontario (ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Aug 5 — Aug 121
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 July 6, 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 6, 2026.
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier 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 8/266:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/3![Frontier logo]()
$242
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:57 pm
CMH
- ONT
1 stop20h 46m
Frontier
Tue 9/292:55 pm
ONT
- CMH
1 stop22h 02m
Frontier
Deal found 7/2![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 7/3. 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.
Mon 8/248:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Tue 8/257:56 pm
ONT
- CMH
1 stop20h 46m
Frontier
Deal found 7/3![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/2. 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.
Wed 8/268:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Fri 8/286:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/2![Frontier logo]()
$253
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 Frontier deal was found by Cheapflights users on 7/2. 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.
Wed 8/198:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Fri 8/216:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/2![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 7/3. 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.
Fri 8/73:22 pm
CMH
- ONT
1 stop21h 42m
Frontier
Thu 8/1310:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 7/3![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/5. 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
Wed 8/196:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/5![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 7/5. 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 8/218:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Tue 8/257:56 pm
ONT
- CMH
1 stop20h 46m
Frontier
Deal found 7/5![Frontier logo]()
$301
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
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 6, 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 6, 2026.
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 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 Alaska Airlines deal was found by Cheapflights users on 7/5. 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 9/297:02 am
CMH
- ONT
1 stop10h 14m
Alaska Airlines
Wed 9/303:14 pm
ONT
- CMH
1 stop10h 54m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 7/4. 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.
Fri 10/26:50 pm
CMH
- ONT
2 stops8h 05m
Southwest
Mon 10/56:10 am
ONT
- CMH
2 stops9h 05m
Southwest
Deal found 7/4![Southwest logo]()
$487
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
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:25 pm
CMH
- ONT
1 stop7h 41m
United Airlines
Sun 11/226:46 am
ONT
- CMH
1 stop7h 16m
United Airlines
Deal found 7/2![United Airlines logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:25 am
CMH
- ONT
1 stop9h 50m
Alaska Airlines
Sun 11/226:00 am
ONT
- CMH
2 stops12h 56m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$534
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.
Wed 8/57:00 am
CMH
- ONT
1 stop8h 12m
United Airlines
Sun 8/96:10 am
ONT
- CMH
1 stop7h 43m
United Airlines
Deal found 7/1![United Airlines logo]()
$512
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.
Sun 7/267:00 am
CMH
- ONT
1 stop8h 12m
United Airlines
Thu 7/301:18 pm
ONT
- CMH
1 stop6h 19m
United Airlines
Deal found 7/1![United Airlines logo]()
$515
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 7/257:00 am
CMH
- ONT
1 stop8h 12m
United Airlines
Thu 7/301:18 pm
ONT
- CMH
1 stop6h 19m
United Airlines
Deal found 7/1![United Airlines logo]()
$527
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.
Wed 7/297:00 am
CMH
- ONT
1 stop8h 12m
United Airlines
Sat 8/86:10 am
ONT
- CMH
2 stops13h 42m
United Airlines
Deal found 7/1![United Airlines logo]()
$532
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated July 6, 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 7/3. 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.
Fri 8/73:22 pm
CMH
- ONT
1 stop21h 42m
Frontier
Thu 8/1310:49 am
ONT
- CMH
1 stop24h 38m
Frontier
Deal found 7/3![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier 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 8/266:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/3![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 7/5. 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
Wed 8/196:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/5![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 7/2. 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.
Wed 8/198:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Fri 8/216:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/2![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 7/5. 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 8/218:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Tue 8/257:56 pm
ONT
- CMH
1 stop20h 46m
Frontier
Deal found 7/5![Frontier logo]()
$301
This CheapOair deal was found by Cheapflights users on 7/3. 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.
Mon 8/248:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Tue 8/257:56 pm
ONT
- CMH
1 stop20h 46m
Frontier
Deal found 7/3![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/2. 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.
Wed 8/268:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Fri 8/286:00 am
ONT
- CMH
1 stop10h 42m
Frontier
Deal found 7/2![Frontier logo]()
$253
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 6, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Deal found 7/2![Frontier logo]()
$119
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 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 10/214:27 pm
CMH
- ONT
1 stop10h 28m
Frontier
Deal found 7/1![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 7/4. 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 9/28:27 pm
CMH
- ONT
1 stop6h 23m
Frontier
Deal found 7/4![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 7/3. 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 Super.com 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 7/3![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:44 pm
CMH
- ONT
2 stops16h 48m
Frontier
Deal found 7/2![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 7/4. 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.
Fri 8/143:22 pm
CMH
- ONT
1 stop11h 28m
Frontier
Deal found 7/4![Frontier logo]()
$162
This Southwest deal was found by Cheapflights users on 7/2. 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.
Tue 8/115:10 pm
CMH
- ONT
1 stop6h 45m
Southwest
Deal found 7/2![Southwest logo]()
$174
This Super.com deal was found by Cheapflights users on 7/5. 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 7/224:47 pm
CMH
- ONT
1 stop20h 17m
Frontier
Deal found 7/5![Frontier logo]()
$178
This Super.com deal was found by Cheapflights users on 7/4. 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 7/4![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Deal found 7/3![Frontier logo]()
$186
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 July 6, 2026.
Round-trip from | $242 (Frontier) |
|---|---|
One-way from | $119 (Super.com) |
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 6, 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
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
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
Tue 9/29
7:02 am-2:16 pm
1 stop10h 14m
Ontario
Wed 9/30
3:14 pm-5:08 am
1 stop10h 54m
$403
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
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 11/19
3:25 pm-8:06 pm
1 stop7h 41m
Ontario
Sun 11/22
6:46 am-5:02 pm
1 stop7h 16m
$475
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 10/2
6:50 pm-11:55 pm
2 stops8h 05m
Ontario
Mon 10/5
6:10 am-6:15 pm
2 stops9h 05m
$487
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 8/5
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Sun 8/9
6:10 am-4:53 pm
1 stop7h 43m
$512
Quickest round-trip
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 7/26
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Thu 7/30
1:18 pm-10:37 pm
1 stop6h 19m
$515
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 7/25
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Thu 7/30
1:18 pm-10:37 pm
1 stop6h 19m
$527
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 7/29
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Sat 8/8
6:10 am-10:52 pm
2 stops13h 42m
$532
Showing 1-10 of 22 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 $129). Flying from Columbus to Ontario in February is currently the most expensive (average of $408). 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 July 6, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
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
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 July 6, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on July 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$339 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$489 | FlexibilityNo cancel fee | On-time63% |