$80+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from Columbus to Ontario with Cheapflights
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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 March 23, 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 March 23, 2026.
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Mon 5/116:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/22![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 3/21. 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 5/18:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Fri 5/156:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/21![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/22![Frontier logo]()
$216
This Expedia deal was found by Cheapflights users on 3/22. 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 4/107:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/22![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Thu 4/1612:59 am
ONT
- CMH
1 stop15h 34m
Frontier
Deal found 3/20![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:18 pm
CMH
- ONT
1 stop14h 13m
Frontier
Sun 4/1912:59 am
ONT
- CMH
1 stop15h 27m
Frontier
Deal found 3/20![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 3/19. 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 5/226:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Mon 5/256:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/19![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Fri 4/106:20 am
ONT
- CMH
1 stop8h 59m
Frontier
Deal found 3/20![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 3/22. 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
Wed 5/276:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 3/22![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sun 4/2612:59 am
ONT
- CMH
1 stop13h 50m
Frontier
Deal found 3/19![Frontier logo]()
$317
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Sat 5/212:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 3/19![Frontier logo]()
$337
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 March 23, 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 March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/19. 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 4/126:00 pm
CMH
- ONT
1 stop9h 10m
Southwest
Sat 4/1810:15 am
ONT
- CMH
2 stops9h 10m
Southwest
Deal found 3/19![Southwest logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 4/207:30 pm
CMH
- ONT
1 stop31h 29m
Alaska Airlines
Fri 4/243:26 pm
ONT
- CMH
1 stop23h 55m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:04 pm
CMH
- ONT
1 stop7h 27m
United Airlines
Fri 4/246:45 pm
ONT
- CMH
2 stops11h 50m
United Airlines
Deal found 3/19![United Airlines logo]()
$543
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
CMH
- ONT
1 stop10h 47m
Alaska Airlines
Sat 9/54:00 pm
ONT
- CMH
1 stop10h 13m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/77:00 am
CMH
- ONT
1 stop8h 22m
United Airlines
Sun 5/107:00 am
ONT
- CMH
1 stop9h 01m
United Airlines
Deal found 3/21![United Airlines logo]()
$577
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Fri 9/47:00 am
CMH
- ONT
1 stop10h 47m
Alaska Airlines
Tue 9/84:00 pm
ONT
- CMH
1 stop10h 13m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 6/125:49 pm
CMH
- ONT
1 stop7h 57m
United Airlines
Thu 6/185:00 am
ONT
- CMH
1 stop6h 28m
United Airlines
Deal found 3/20![United Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/77:17 pm
CMH
- ONT
1 stop31h 42m
Alaska Airlines
Mon 5/188:11 pm
ONT
- CMH
1 stop19h 47m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Fri 5/87:17 pm
CMH
- ONT
1 stop17h 28m
Alaska Airlines
Tue 5/126:00 am
ONT
- CMH
1 stop9h 21m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 3/21. 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
Fri 7/101:18 pm
ONT
- CMH
1 stop6h 19m
United Airlines
Deal found 3/21![United Airlines logo]()
$676
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 5/12:52 pm
CMH
- ONT
2 stops12h 07m
Alaska Airlines
Mon 5/46:00 am
ONT
- CMH
1 stop9h 21m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$642
This Alaska Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:01 am
CMH
- ONT
1 stop9h 12m
Alaska Airlines
Sat 8/156:00 am
ONT
- CMH
1 stop8h 16m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$655
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated March 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Fri 4/106:20 am
ONT
- CMH
1 stop8h 59m
Frontier
Deal found 3/20![Frontier logo]()
$280
This Expedia deal was found by Cheapflights users on 3/22. 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 4/107:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/22![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Thu 4/1612:59 am
ONT
- CMH
1 stop15h 34m
Frontier
Deal found 3/20![Frontier logo]()
$236
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:01 am
CMH
- ONT
1 stop8h 17m
American Airlines
Sat 4/1810:26 pm
ONT
- CMH
1 stop9h 03m
American Airlines
Deal found 3/20![American Airlines logo]()
$393
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Sat 4/1812:59 am
ONT
- CMH
1 stop15h 35m
Frontier
Deal found 3/22![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:18 pm
CMH
- ONT
1 stop14h 13m
Frontier
Sun 4/1912:59 am
ONT
- CMH
1 stop15h 27m
Frontier
Deal found 3/20![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:21 pm
CMH
- ONT
1 stop6h 34m
Frontier
Thu 4/2312:59 am
ONT
- CMH
1 stop14h 59m
Frontier
Deal found 3/22![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:53 pm
CMH
- ONT
1 stop7h 02m
Frontier
Sun 4/2612:59 am
ONT
- CMH
1 stop13h 50m
Frontier
Deal found 3/19![Frontier logo]()
$317
One-way flights from Columbus to OntarioSearch for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Frontier deal was found by Cheapflights users on 3/22. 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 5/18:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Deal found 3/22![Frontier logo]()
$80
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Deal found 3/20![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 3/23. 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 5/86:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 3/23![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:18 pm
CMH
- ONT
1 stop14h 13m
Frontier
Deal found 3/18![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/197:00 pm
CMH
- ONT
2 stops42h 44m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$150
This Expedia deal was found by Cheapflights users on 3/18. 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.
Sun 4/198:19 pm
CMH
- ONT
1 stop14h 12m
Frontier
Deal found 3/18![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Deal found 3/20![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Deal found 3/20![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/117:32 pm
CMH
- ONT
2 stops39h 32m
Frontier
Deal found 3/20![Frontier logo]()
$178
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:12 am
CMH
- ONT
1 stop7h 24m
Delta
Deal found 3/21![Delta logo]()
$194
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (CheapOair) |
One-way from | $80 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $381 |
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 March 23, 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
Sun 4/12
6:00 pm-12:10 am
1 stop9h 10m
Ontario
Sat 4/18
10:15 am-10:25 pm
2 stops9h 10m
$467
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 4/20
7:30 pm-11:59 pm
1 stop31h 29m
Ontario
Fri 4/24
3:26 pm-6:21 pm
1 stop23h 55m
$533
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 8/29
7:00 am-2:47 pm
1 stop10h 47m
Ontario
Sat 9/5
4:00 pm-5:13 am
1 stop10h 13m
$537
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 4/20
6:04 pm-10:31 pm
1 stop7h 27m
Ontario
Fri 4/24
6:45 pm-9:35 am
2 stops11h 50m
$543
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 9/4
7:00 am-2:47 pm
1 stop10h 47m
Ontario
Tue 9/8
4:00 pm-5:13 am
1 stop10h 13m
$562
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 5/7
7:00 am-12:22 pm
1 stop8h 22m
Ontario
Sun 5/10
7:00 am-7:01 pm
1 stop9h 01m
$577
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 5/7
7:17 pm-11:59 pm
1 stop31h 42m
Ontario
Mon 5/18
8:11 pm-6:58 pm
1 stop19h 47m
$599
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 5/8
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Tue 5/12
6:00 am-6:21 pm
1 stop9h 21m
$605
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 6/12
5:49 pm-10:46 pm
1 stop7h 57m
Ontario
Thu 6/18
5:00 am-2:28 pm
1 stop6h 28m
$607
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 5/1
2:52 pm-11:59 pm
2 stops12h 07m
Ontario
Mon 5/4
6:00 am-6:21 pm
1 stop9h 21m
$642
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 March.
| 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*1 star | |
| Price Accuracy1 star | 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
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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 March 23, 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
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
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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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 March 23, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on March 23, 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 March 23, 2026.
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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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$395 | Average$446 | FlexibilityNo cancel fee | On-time63% |