$92+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
May 18 — May 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Columbus to OntarioExplore the most affordable flight options available from Columbus to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from Columbus to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/13![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Sat 5/910:50 am
ONT
- CMH
2 stops27h 20m
Frontier
Deal found 4/13![Frontier logo]()
$209
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/14![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Wed 5/68:06 pm
ONT
- CMH
2 stops18h 04m
Frontier
Deal found 4/13![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 4/13. 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 5/296:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Fri 6/56:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/13![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 4/17. 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
Fri 5/226:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/17![Frontier logo]()
$225
This Expedia deal was found by Cheapflights users on 4/17. 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.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Sat 5/212:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 4/17![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/56:05 pm
CMH
- ONT
2 stops16h 30m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/13![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 4/17. 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
Sun 5/312:59 am
ONT
- CMH
1 stop15h 04m
Frontier
Deal found 4/17![Frontier logo]()
$236
Best flights from Columbus to OntarioDiscover carefully curated flight deals from Columbus to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Columbus to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This Delta deal was found by Cheapflights users on 4/17. 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 5/267:30 am
CMH
- ONT
1 stop7h 49m
Delta
Tue 6/212:07 pm
ONT
- CMH
1 stop9h 18m
Delta
Deal found 4/17![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/279:10 am
CMH
- ONT
1 stop6h 37m
United Airlines
Tue 6/21:18 pm
ONT
- CMH
1 stop6h 19m
United Airlines
Deal found 4/14![United Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 stop17h 28m
Alaska Airlines
Sat 5/96:00 am
ONT
- CMH
1 stop9h 21m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 4/16. 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 5/267:30 am
CMH
- ONT
1 stop7h 49m
Delta
Sun 5/3110:00 pm
ONT
- CMH
2 stops12h 25m
Delta
Deal found 4/16![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 4/15. 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 6/25:58 pm
CMH
- ONT
2 stops8h 36m
Delta
Wed 6/39:50 am
ONT
- CMH
2 stops11h 35m
Delta
Deal found 4/15![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 4/16. 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 5/293:02 pm
CMH
- ONT
2 stops11h 32m
Delta
Thu 6/410:00 pm
ONT
- CMH
1 stop8h 05m
Delta
Deal found 4/16![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:49 pm
CMH
- ONT
2 stops13h 54m
Delta
Sun 5/104:57 pm
ONT
- CMH
2 stops13h 08m
Delta
Deal found 4/13![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:15 am
CMH
- ONT
2 stops11h 20m
Delta
Sun 8/97:05 am
ONT
- CMH
1 stop8h 58m
Delta
Deal found 4/17![Delta logo]()
$512
This Delta deal was found by Cheapflights users on 4/16. 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 5/257:30 am
CMH
- ONT
1 stop7h 49m
Delta
Wed 6/39:50 am
ONT
- CMH
2 stops11h 35m
Delta
Deal found 4/16![Delta logo]()
$516
This Delta deal was found by Cheapflights users on 4/14. 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 5/46:03 pm
CMH
- ONT
2 stops8h 41m
Delta
Fri 5/85:50 pm
ONT
- CMH
2 stops13h 04m
Delta
Deal found 4/14![Delta logo]()
$572
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated April 18, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/17. 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.
Thu 4/308:08 pm
CMH
- ONT
1 stop14h 23m
Frontier
Sat 5/212:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 4/17![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 4/17. 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
Sun 5/312:59 am
ONT
- CMH
1 stop15h 04m
Frontier
Deal found 4/17![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/13![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Sat 5/910:50 am
ONT
- CMH
2 stops27h 20m
Frontier
Deal found 4/13![Frontier logo]()
$209
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/14![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/47:58 pm
CMH
- ONT
1 stop17h 07m
Frontier
Wed 5/68:06 pm
ONT
- CMH
2 stops18h 04m
Frontier
Deal found 4/13![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/56:05 pm
CMH
- ONT
2 stops16h 30m
Frontier
Sun 5/1010:50 am
ONT
- CMH
1 stop27h 58m
Frontier
Deal found 4/13![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 4/17. 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
Fri 5/226:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/17![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/13. 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 5/296:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Fri 6/56:00 am
ONT
- CMH
1 stop8h 48m
Frontier
Deal found 4/13![Frontier logo]()
$221
One-way flights from Columbus to OntarioSearch for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This CheapOair deal was found by Cheapflights users on 4/14. 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 5/156:43 pm
CMH
- ONT
1 stop18h 22m
Frontier
Deal found 4/14![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 4/14. 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.
Thu 4/308:08 pm
CMH
- ONT
1 stop6h 47m
Frontier
Deal found 4/14![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/56:05 pm
CMH
- ONT
2 stops40h 30m
Frontier
Deal found 4/14![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 4/16. 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 4/276:44 pm
CMH
- ONT
1 stop8h 11m
Frontier
Deal found 4/16![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 4/14. 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 6/194:47 pm
CMH
- ONT
1 stop10h 02m
Frontier
Deal found 4/14![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 4/14. 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 6/224:47 pm
CMH
- ONT
1 stop20h 18m
Frontier
Deal found 4/14![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 4/14. 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 5/116:43 pm
CMH
- ONT
1 stop8h 06m
Frontier
Deal found 4/14![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/56:05 pm
CMH
- ONT
3 stops24h 39m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$147
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Frontier) |
One-way from | $92 (CheapOair) |
Popular in | February |
Cheapest in | September |
Average price | $504 |
Cheapflights Fare Finder
Customize your flight search to find flights from Columbus to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 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
Tue 5/26
7:30 am-12:19 pm
1 stop7h 49m
Ontario
Tue 6/2
12:07 pm-12:25 am
1 stop9h 18m
$347
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 5/26
7:30 am-12:19 pm
1 stop7h 49m
Ontario
Sun 5/31
10:00 pm-1:25 pm
2 stops12h 25m
$352
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 6/2
5:58 pm-11:34 pm
2 stops8h 36m
Ontario
Wed 6/3
9:50 am-12:25 am
2 stops11h 35m
$357
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Fri 5/29
3:02 pm-11:34 pm
2 stops11h 32m
Ontario
Thu 6/4
10:00 pm-9:05 am
1 stop8h 05m
$444
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 5/6
12:49 pm-11:43 pm
2 stops13h 54m
Ontario
Sun 5/10
4:57 pm-9:05 am
2 stops13h 08m
$472
Quickest round-trip
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 5/27
9:10 am-12:47 pm
1 stop6h 37m
Ontario
Tue 6/2
1:18 pm-10:37 pm
1 stop6h 19m
$503
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 8/2
8:15 am-4:35 pm
2 stops11h 20m
Ontario
Sun 8/9
7:05 am-7:03 pm
1 stop8h 58m
$512
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 5/25
7:30 am-12:19 pm
1 stop7h 49m
Ontario
Wed 6/3
9:50 am-12:25 am
2 stops11h 35m
$516
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Thu 5/7
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Sat 5/9
6:00 am-6:21 pm
1 stop9h 21m
$555
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 5/4
6:03 pm-11:44 pm
2 stops8h 41m
Ontario
Fri 5/8
5:50 pm-9:54 am
2 stops13h 04m
$572
Showing 1-10 of 21 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 April.
| 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
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 April 18, 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Columbus to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Columbus
Popular flights
Alternative routes for Columbus to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Columbus to Ontario by cabin class
Find flights from Columbus to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on April 18, 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 April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Columbus to Ontario
Discover the top 4 airlines that operate flights from Columbus to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$397 | Average$458 | FlexibilityNo cancel fee | On-time63% |