$90+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ONT
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Columbus to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Columbus to Ontario
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Cheapest flights from Columbus to OntarioExplore the most affordable flight options available from Columbus to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 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 February 4, 2026.
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Wed 5/612:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/2![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Sun 3/16:10 am
ONT
- CMH
1 stop10h 14m
Frontier
Deal found 2/3![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/3. 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.
Thu 3/58:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/3![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/1![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:25 pm
CMH
- ONT
2 stops23h 09m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/3![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:44 pm
CMH
- ONT
2 stops11h 15m
Multiple Airlines
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$242
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 3/28:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/3![Frontier logo]()
$243
This CheapOair deal was found by Cheapflights users on 2/3. 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 2/168:13 pm
CMH
- ONT
1 stop28h 21m
Frontier
Thu 2/196:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 2/2. 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.
Sun 3/18:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sun 2/228:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Thu 2/266:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$256
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 February 4, 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 February 4, 2026.
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Sun 3/16:10 am
ONT
- CMH
1 stop10h 14m
Frontier
Deal found 2/3![Frontier logo]()
$225
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 am
CMH
- ONT
1 stop7h 37m
Delta
Sat 2/2810:20 pm
ONT
- CMH
1 stop8h 46m
Delta
Deal found 2/3![Delta logo]()
$277
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sun 2/228:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$256
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
CMH
- ONT
1 stop9h 02m
Delta
Sat 3/1410:25 pm
ONT
- CMH
1 stop8h 36m
Delta
Deal found 2/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 am
CMH
- ONT
1 stop7h 37m
Delta
Wed 3/111:20 pm
ONT
- CMH
1 stop6h 35m
Delta
Deal found 2/2![Delta logo]()
$277
This CheapOair deal was found by Cheapflights users on 2/3. 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 4/137:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Thu 4/1612:59 am
ONT
- CMH
1 stop15h 24m
Frontier
Deal found 2/3![Frontier logo]()
$291
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:30 am
CMH
- ONT
1 stop7h 37m
Delta
Sat 3/1410:25 pm
ONT
- CMH
1 stop8h 36m
Delta
Deal found 2/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:30 am
CMH
- ONT
1 stop7h 37m
Delta
Wed 3/111:20 pm
ONT
- CMH
1 stop6h 35m
Delta
Deal found 2/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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.
Wed 5/66:06 am
CMH
- ONT
1 stop8h 30m
Delta
Sat 5/911:04 pm
ONT
- CMH
1 stop6h 56m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
CMH
- ONT
1 stop9h 02m
Delta
Tue 3/101:20 pm
ONT
- CMH
1 stop6h 35m
Delta
Deal found 2/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:30 am
CMH
- ONT
1 stop7h 37m
Delta
Wed 3/1112:57 pm
ONT
- CMH
1 stop8h 27m
Delta
Deal found 2/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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.
Wed 5/132:59 pm
CMH
- ONT
1 stop9h 55m
Delta
Tue 5/195:50 pm
ONT
- CMH
2 stops13h 08m
Delta
Deal found 2/1![Delta logo]()
$282
Last-minute flights from Columbus to OntarioDiscover last-minute flight deals from Columbus to Ontario. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Ontario. Data last updated February 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/3. 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 2/168:13 pm
CMH
- ONT
1 stop28h 21m
Frontier
Thu 2/196:05 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sun 2/228:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/3![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 2/238:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Sun 3/16:10 am
ONT
- CMH
1 stop10h 14m
Frontier
Deal found 2/3![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Mon 3/26:10 am
ONT
- CMH
1 stop10h 18m
Frontier
Deal found 2/4![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 2/2. 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.
Sun 3/18:09 pm
CMH
- ONT
1 stop6h 50m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:13 pm
CMH
- ONT
1 stop6h 46m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/2![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:25 pm
CMH
- ONT
2 stops23h 09m
Frontier
Sun 3/86:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/3![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 2/3. 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.
Thu 3/58:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/3![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:44 pm
CMH
- ONT
2 stops11h 15m
Multiple Airlines
Thu 3/126:15 am
ONT
- CMH
1 stop9h 23m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Thu 3/196:15 am
ONT
- CMH
1 stop9h 23m
Frontier
Deal found 2/1![Frontier logo]()
$234
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 February 4, 2026.
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/101:07 pm
CMH
- ONT
2 stops37h 52m
Frontier
Deal found 2/2![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mon 4/137:14 pm
CMH
- ONT
1 stop7h 42m
Frontier
Deal found 2/2![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 2/3. 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.
Thu 3/58:08 pm
CMH
- ONT
1 stop6h 51m
Frontier
Deal found 2/3![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 5/48:18 pm
CMH
- ONT
1 stop6h 37m
Frontier
Deal found 2/3![Frontier logo]()
$116
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:02 pm
CMH
- ONT
1 stop9h 43m
American Airlines
Deal found 2/2![American Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/171:07 pm
CMH
- ONT
2 stops37h 52m
Frontier
Deal found 2/2![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 4/203:36 pm
CMH
- ONT
2 stops29h 58m
Frontier
Deal found 2/2![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:06 am
CMH
- ONT
1 stop8h 30m
Delta
Deal found 2/2![Delta logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/105:45 am
CMH
- ONT
3 stops34h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$140
This Super.com deal was found by Cheapflights users on 2/4. 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.
Mon 2/168:13 pm
CMH
- ONT
1 stop28h 21m
Frontier
Deal found 2/4![Frontier logo]()
$143
This Super.com deal was found by Cheapflights users on 2/1. 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.
Thu 3/267:33 pm
CMH
- ONT
1 stop7h 26m
Frontier
Deal found 2/1![Frontier logo]()
$158
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (Frontier) |
One-way from | $90 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $433 |
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 February 4, 2026.
Use the filters below to find and compare flights from Columbus Airport to Ontario that are best for you.
Fly from
Columbus
Fly to
Ontario
Route
Depart
Return
Price
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Mon 2/23
8:13 pm-11:59 pm
1 stop6h 46m
Ontario
Sun 3/1
6:10 am-7:24 pm
1 stop10h 14m
$225
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sun 2/22
8:09 pm-11:59 pm
1 stop6h 50m
Ontario
Mon 3/2
6:10 am-7:28 pm
1 stop10h 18m
$256
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 2/24
7:30 am-12:07 pm
1 stop7h 37m
Ontario
Sat 2/28
10:20 pm-10:06 am
1 stop8h 46m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/3
6:00 am-12:02 pm
1 stop9h 02m
Ontario
Sat 3/14
10:25 pm-10:01 am
1 stop8h 36m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 3/4
7:30 am-12:07 pm
1 stop7h 37m
Ontario
Wed 3/11
1:20 pm-10:55 pm
1 stop6h 35m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 2/28
7:30 am-12:07 pm
1 stop7h 37m
Ontario
Sat 3/14
10:25 pm-10:01 am
1 stop8h 36m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/3
7:30 am-12:07 pm
1 stop7h 37m
Ontario
Wed 3/11
1:20 pm-10:55 pm
1 stop6h 35m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Wed 5/6
6:06 am-11:36 am
1 stop8h 30m
Ontario
Sat 5/9
11:04 pm-9:00 am
1 stop6h 56m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Tue 3/3
6:00 am-12:02 pm
1 stop9h 02m
Ontario
Tue 3/10
1:20 pm-10:55 pm
1 stop6h 35m
$277
ColumbusOntario
CMH - ONT
CMHONT
Columbus
Sat 2/28
7:30 am-12:07 pm
1 stop7h 37m
Ontario
Wed 3/11
12:57 pm-12:24 am
1 stop8h 27m
$277
Showing 1-10 of 23 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
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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 50% 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 31m.
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 06m.
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 February 4, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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
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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 February 4, 2026.
Columbus and Ontario flights
Browse other Columbus and Ontario flight options. Last updated on February 4, 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 February 4, 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$437 | FlexibilityNo cancel fee | On-time63% |