$109+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Jun 1 — Jun 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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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 May 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 May 2, 2026.
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Wed 7/226:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/29![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:47 pm
CMH
- ONT
1 stop10h 02m
Frontier
Mon 8/246:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/30![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Fri 7/246:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:47 pm
CMH
- ONT
1 stop10h 02m
Frontier
Mon 8/246:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/30![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Fri 7/316:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 5/186:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/27![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Wed 7/156:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/27![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:47 pm
CMH
- ONT
1 stop10h 02m
Frontier
Wed 8/2610:50 am
ONT
- CMH
2 stops27h 22m
Frontier
Deal found 4/30![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 7/204:47 pm
CMH
- ONT
1 stop10h 03m
Frontier
Mon 7/276:00 am
ONT
- CMH
1 stop7h 02m
Frontier
Deal found 4/28![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 5/186:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Sun 5/2410:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/28![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:01 pm
CMH
- ONT
2 stops22h 07m
Frontier
Mon 5/256:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 5/256:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 6/16:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![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 May 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 May 2, 2026.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:02 pm
CMH
- ONT
1 stop9h 46m
Delta
Tue 5/2610:00 pm
ONT
- CMH
2 stops12h 25m
Delta
Deal found 4/29![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 7/247:00 pm
CMH
- ONT
2 stops8h 05m
Southwest
Mon 7/2712:45 pm
ONT
- CMH
2 stops8h 50m
Southwest
Deal found 4/27![Southwest logo]()
$487
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:01 pm
CMH
- ONT
1 stop7h 54m
United Airlines
Tue 6/26:30 pm
ONT
- CMH
2 stops12h 19m
United Airlines
Deal found 4/28![United Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:00 am
CMH
- ONT
1 stop11h 09m
Alaska Airlines
Sun 5/246:00 am
ONT
- CMH
1 stop9h 58m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$617
This Southwest deal was found by Cheapflights users on 5/1. 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.
Wed 6/246:10 pm
CMH
- ONT
2 stops7h 50m
Southwest
Mon 6/2912:45 pm
ONT
- CMH
2 stops8h 50m
Southwest
Deal found 5/1![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:31 am
CMH
- ONT
1 stop7h 39m
Delta
Tue 7/2810:00 pm
ONT
- CMH
1 stop8h 02m
Delta
Deal found 4/30![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/243:30 pm
CMH
- ONT
1 stop8h 12m
United Airlines
Thu 5/286:30 pm
ONT
- CMH
2 stops12h 19m
United Airlines
Deal found 4/26![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:30 am
CMH
- ONT
1 stop7h 49m
Delta
Sat 6/1311:50 am
ONT
- CMH
1 stop8h 43m
Delta
Deal found 4/30![Delta logo]()
$520
This Southwest deal was found by Cheapflights users on 5/1. 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.
Thu 5/286:35 am
CMH
- ONT
2 stops8h 35m
Southwest
Thu 6/412:45 pm
ONT
- CMH
2 stops8h 50m
Southwest
Deal found 5/1![Southwest logo]()
$528
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:01 pm
CMH
- ONT
1 stop7h 54m
United Airlines
Sat 7/254:20 pm
ONT
- CMH
1 stop9h 55m
United Airlines
Deal found 4/29![United Airlines logo]()
$577
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:30 am
CMH
- ONT
1 stop7h 49m
Delta
Fri 5/2210:00 pm
ONT
- CMH
1 stop9h 30m
Delta
Deal found 4/29![Delta logo]()
$567
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:55 pm
CMH
- ONT
1 stop7h 56m
United Airlines
Sun 7/126:30 am
ONT
- CMH
1 stop7h 23m
United Airlines
Deal found 4/27![United Airlines logo]()
$676
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated May 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/27. 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 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Fri 5/86:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/27![Frontier logo]()
$316
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:43 pm
CMH
- ONT
1 stop8h 06m
Multiple Airlines
Tue 8/257:57 pm
ONT
- CMH
1 stop17h 33m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$332
This Expedia deal was found by Cheapflights users on 4/26. 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.
Fri 5/86:43 pm
CMH
- ONT
1 stop8h 06m
Multiple Airlines
Thu 9/243:12 pm
ONT
- CMH
1 stop10h 56m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$364
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 5/186:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/27![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 5/186:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Sun 5/2410:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/28![Frontier logo]()
$295
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Fri 5/226:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/30![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:01 pm
CMH
- ONT
2 stops22h 07m
Frontier
Mon 5/256:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 5/256:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 6/16:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 5/256:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Fri 5/296:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:05 pm
CMH
- ONT
2 stops28h 06m
Frontier
Thu 6/410:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/30![Frontier logo]()
$347
This Frontier deal was found by Cheapflights users on 4/28. 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 5/296:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 6/16:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/28![Frontier logo]()
$230
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 May 2, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Super.com deal was found by Cheapflights users on 5/1. 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 6/174:47 pm
CMH
- ONT
1 stop20h 18m
Frontier
Deal found 5/1![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 5/1. 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 6/104:47 pm
CMH
- ONT
1 stop10h 02m
Frontier
Deal found 5/1![Frontier logo]()
$111
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Deal found 4/30![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 4/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 4/27![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 4/28![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:05 pm
CMH
- ONT
2 stops48h 39m
Frontier
Deal found 4/27![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 4/27![Frontier logo]()
$138
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 May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $109 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $449 |
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 May 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
Thu 5/21
3:02 pm-9:48 pm
1 stop9h 46m
Ontario
Tue 5/26
10:00 pm-1:25 pm
2 stops12h 25m
$417
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 7/24
7:00 pm-12:05 am
2 stops8h 05m
Ontario
Mon 7/27
12:45 pm-12:35 am
2 stops8h 50m
$487
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 6/24
6:10 pm-11:00 pm
2 stops7h 50m
Ontario
Mon 6/29
12:45 pm-12:35 am
2 stops8h 50m
$487
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 7/23
7:31 am-12:10 pm
1 stop7h 39m
Ontario
Tue 7/28
10:00 pm-9:02 am
1 stop8h 02m
$498
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 6/6
7:30 am-12:19 pm
1 stop7h 49m
Ontario
Sat 6/13
11:50 am-11:33 pm
1 stop8h 43m
$520
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 5/28
6:35 am-12:10 pm
2 stops8h 35m
Ontario
Thu 6/4
12:45 pm-12:35 am
2 stops8h 50m
$528
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 5/26
5:01 pm-9:55 pm
1 stop7h 54m
Ontario
Tue 6/2
6:30 pm-9:49 am
2 stops12h 19m
$546
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 5/24
3:30 pm-8:42 pm
1 stop8h 12m
Ontario
Thu 5/28
6:30 pm-9:49 am
2 stops12h 19m
$554
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 5/17
7:30 am-12:19 pm
1 stop7h 49m
Ontario
Fri 5/22
10:00 pm-10:30 am
1 stop9h 30m
$567
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 7/16
5:01 pm-9:55 pm
1 stop7h 54m
Ontario
Sat 7/25
4:20 pm-5:15 am
1 stop9h 55m
$577
Showing 1-10 of 24 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| 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
Prices
More
What is the cheapest month to book a flight from Columbus Airport to Ontario?
Currently, September is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $290). 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?
What’s the top layover airport for flights from Columbus Airport to Ontario?
Share of 1-stop round-trip flights from Columbus Airport to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 60% of 1-stop itineraries from Columbus Airport to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Columbus Airport to Ontario?
Average round-trip fare for 1-stop flights from Columbus Airport to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $186.
What’s the fastest layover option from Columbus Airport to Ontario?
Shortest average travel time for 1-stop one-way flights from Columbus Airport to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 37m.
Which airport typically offers the quickest layover for flights from Columbus Airport to Ontario?
Average layover duration for 1-stop one-way flights from Columbus Airport to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 11m.
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 May 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.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
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.
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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 May 2, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on May 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 May 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 May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$344 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$446 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$458 | FlexibilityNo cancel fee | On-time63% |