What’s the top layover airport for flights from Columbus Airport to Ontario?

Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Columbus Airport to Ontario on Cheapflights.

What’s the fastest layover option from Columbus Airport to Ontario?

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 31m.

What’s the cheapest layover airport for flights from Columbus Airport to Ontario?

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $186.

Which airport typically offers the quickest layover for flights from Columbus Airport to Ontario?

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 06m.

How long is the flight from Columbus Airport to Ontario?

There are many flights that can get you from Columbus Airport to Ontario in 6h 35m. Fly via Southwest or Delta to get the fastest option. There are 1944 mi between Columbus Airport and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Columbus Airport to Ontario round-trip?

Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $276 and $296, respectively. These flights start at 44% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Columbus Airport to Ontario?

Consider Southwest, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Columbus Airport to Ontario.

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.

What airport do you fly into for flights to Ontario from Columbus?

Most people fly into Ontario (ONT) if they book a flight to Ontario from Columbus. On average, Ontario has 0 inbound flights from Columbus per day from 4 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Can I find deals for flights from Columbus to Ontario that include hotel bookings?

Yes. In addition to deals on Columbus to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Columbus to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Ontario.

Can I find deals for business class flights from Columbus to Ontario?

Yes. Cheapflights offers flight deals from Columbus to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$92+ Cheap Flights from Columbus Airport to Ontario

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Cheap flight deals from Columbus to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$196 (Frontier)
One-way from	$92 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$510

Provider with most accurate pricing for Columbus-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Columbus-Ontario flights.

Search Deals

From Columbus to Ontario

Search Deals

One-way flight from Columbus to Ontario

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Columbus to Ontario

Cheapest flights from Columbus to Ontario
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 October 22, 2025.

Mon 11/38:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/21

$196

Mon 11/108:03 pmCMH - ONT

1 stop6h 47mFrontier

Thu 11/1312:05 pmONT - CMH

1 stop28h 03mFrontier

Deal found 10/21

$212

Sun 10/267:08 pmCMH - ONT

1 stop7h 42mFrontier

Mon 10/276:53 amONT - CMH

1 stop8h 16mFrontier

Deal found 10/19

$214

Fri 11/148:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/22

$222

Fri 10/318:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/36:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/21

$228

Mon 10/277:04 pmCMH - ONT

1 stop7h 46mFrontier

Fri 10/316:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/20

$258

Thu 12/47:00 amCMH - ONT

1 stop6h 35mSouthwest

Tue 12/95:45 amONT - CMH

1 stop6h 15mSouthwest

Deal found 10/21

$261

Mon 10/277:04 pmCMH - ONT

1 stop7h 46mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/20

$272

Fri 10/247:04 pmCMH - ONT

1 stop7h 46mFrontier

Mon 10/276:53 amONT - CMH

1 stop8h 16mFrontier

Deal found 10/19

$275

Fri 11/78:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/106:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/22

$278

Best flights from Columbus to Ontario
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 October 22, 2025.

Thu 12/47:00 amCMH - ONT

1 stop6h 35mSouthwest

Tue 12/95:45 amONT - CMH

1 stop6h 15mSouthwest

Deal found 10/21

$261

Thu 12/117:15 amCMH - ONT

1 stop8h 19mDelta

Tue 12/301:15 pmONT - CMH

1 stop7h 19mDelta

Deal found 10/21

$302

Wed 11/54:18 pmCMH - ONT

2 stops23h 33mMultiple Airlines

Fri 11/76:53 amONT - CMH

1 stop9h 15mMultiple Airlines

Deal found 10/22

$322

Wed 12/106:43 pmCMH - ONT

1 stop19h 36mAlaska Airlines

Sat 12/136:00 amONT - CMH

1 stop8h 47mAlaska Airlines

Deal found 10/21

$343

Wed 12/244:45 pmCMH - ONT

1 stop8h 07mUnited Airlines

Tue 1/61:20 pmONT - CMH

1 stop6h 10mUnited Airlines

Deal found 10/22

$367

Wed 12/312:33 pmCMH - ONT

2 stops13h 14mDelta

Mon 12/85:49 pmONT - CMH

2 stops13h 00mDelta

Deal found 10/20

$316

Thu 12/257:00 amCMH - ONT

1 stop6h 35mSouthwest

Tue 12/301:40 pmONT - CMH

1 stop8h 20mSouthwest

Deal found 10/21

$356

Sat 11/156:24 pmCMH - ONT

1 stop19h 41mAlaska Airlines

Wed 11/196:00 amONT - CMH

1 stop8h 28mAlaska Airlines

Deal found 10/22

$364

Wed 11/126:00 amCMH - ONT

1 stop7h 34mDelta

Thu 11/131:20 pmONT - CMH

1 stop6h 31mDelta

Deal found 10/22

$337

Tue 12/27:15 amCMH - ONT

1 stop8h 19mDelta

Sun 12/141:29 pmONT - CMH

1 stop7h 05mDelta

Deal found 10/22

$356

Thu 11/137:20 amCMH - ONT

1 stop7h 58mDelta

Thu 11/1310:25 pmONT - CMH

1 stop7h 30mDelta

Deal found 10/22

$360

Wed 11/127:20 amCMH - ONT

1 stop7h 58mDelta

Mon 11/2412:16 pmONT - CMH

1 stop8h 58mDelta

Deal found 10/22

$360

Last-minute flights from Columbus to Ontario
Discover last-minute flight deals from Columbus to Ontario. Data last updated October 22, 2025 and is based on user searches.

Fri 10/247:04 pmCMH - ONT

1 stop7h 46mFrontier

Mon 10/276:53 amONT - CMH

1 stop8h 16mFrontier

Deal found 10/19

$275

Fri 10/247:04 pmCMH - ONT

1 stop7h 46mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/20

$289

Sun 10/267:08 pmCMH - ONT

1 stop7h 42mFrontier

Mon 10/276:53 amONT - CMH

1 stop8h 16mFrontier

Deal found 10/19

$214

Sun 10/267:08 pmCMH - ONT

1 stop17h 27mFrontier

Sat 11/112:05 pmONT - CMH

2 stops20h 14mFrontier

Deal found 10/19

$287

Mon 10/277:04 pmCMH - ONT

1 stop7h 46mFrontier

Fri 10/316:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/20

$258

Mon 10/277:04 pmCMH - ONT

1 stop7h 46mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/20

$272

Fri 10/318:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/36:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/21

$228

Mon 11/38:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/21

$196

Fri 11/78:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/106:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/22

$278

Mon 11/108:03 pmCMH - ONT

1 stop6h 47mFrontier

Thu 11/1312:05 pmONT - CMH

1 stop28h 03mFrontier

Deal found 10/21

$212

Fri 11/148:03 pmCMH - ONT

1 stop6h 47mFrontier

Mon 11/176:53 amONT - CMH

1 stop9h 15mFrontier

Deal found 10/22

$222

One-way flights from Columbus to Ontario
Search for one-way flight options from Columbus to Ontario. Find affordable one-way fares based on user searches. Data last updated October 22, 2025.

Wed 11/124:18 pmCMH - ONT

2 stops17h 09mMultiple Airlines

Deal found 10/20

$92

Fri 10/318:03 pmCMH - ONT

1 stop6h 47mFrontier

Deal found 10/19

$97

Tue 11/184:18 pmCMH - ONT

2 stops32h 09mMultiple Airlines

Deal found 10/20

$102

Mon 11/178:03 pmCMH - ONT

1 stop28h 24mFrontier

Deal found 10/20

$107

Mon 11/38:03 pmCMH - ONT

1 stop6h 47mFrontier

Deal found 10/21

$111

Sun 11/165:25 amCMH - ONT

2 stops40h 24mMultiple Airlines

Deal found 10/20

$132

Fri 11/148:03 pmCMH - ONT

1 stop6h 47mFrontier

Deal found 10/20

$137

Mon 11/246:44 pmCMH - ONT

1 stop9h 17mAlaska Airlines

Deal found 10/21

$138

Cheapflights Fare Finder

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

Price

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 12/4

7:00 am-10:35 am

1 stop6h 35m

Ontario

Tue 12/9

5:45 am-3:00 pm

1 stop6h 15m

$261

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 12/11

7:15 am-12:34 pm

1 stop8h 19m

Ontario

Tue 12/30

1:15 pm-11:34 pm

1 stop7h 19m

$302

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 12/3

12:33 pm-10:47 pm

2 stops13h 14m

Ontario

Mon 12/8

5:49 pm-9:49 am

2 stops13h 00m

$316

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 11/5

4:18 pm-12:51 pm

2 stops23h 33m

Ontario

Fri 11/7

6:53 am-7:08 pm

1 stop9h 15m

$322

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 11/12

6:00 am-10:34 am

1 stop7h 34m

Ontario

Thu 11/13

1:20 pm-10:51 pm

1 stop6h 31m

$337

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 12/10

6:43 pm-11:19 am

1 stop19h 36m

Ontario

Sat 12/13

6:00 am-5:47 pm

1 stop8h 47m

$343

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 12/25

7:00 am-10:35 am

1 stop6h 35m

Ontario

Tue 12/30

1:40 pm-1:00 am

1 stop8h 20m

$356

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 12/2

7:15 am-12:34 pm

1 stop8h 19m

Ontario

Sun 12/14

1:29 pm-11:34 pm

1 stop7h 05m

$356

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 11/13

7:20 am-12:18 pm

1 stop7h 58m

Ontario

Thu 11/13

10:25 pm-8:55 am

1 stop7h 30m

$360

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 11/12

7:20 am-12:18 pm

1 stop7h 58m

Ontario

Mon 11/24

12:16 pm-12:14 am

1 stop8h 58m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 20 results

Compare providers for flights from Columbus to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbus to Ontario in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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.

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

What is the cheapest month to book a flight from Columbus Airport to Ontario?

Currently, May is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $112). Flying from Columbus Airport to Ontario in March is currently the most expensive (average of $257). 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.

What is the cheapest time of day to fly from CMH to ONT?

A simple way to save on the total cost of your ticket is to fly from Columbus Airport to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Ontario

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.

Southwest

8.0

Very good

4,237 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Southwest

8.0

Very good

4,237 reviews

Southwest

8.0

Very good

4,237 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Delta

7.9

Good

7,981 reviews

Southwest

8.0

Very good

4,237 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

United Airlines

7.4

Good

8,990 reviews

Southwest

8.0

Very good

4,237 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

American Airlines

7.2

Good

11,028 reviews

Southwest

8.0

Very good

4,237 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Related info for your journey

What airport do you fly into for flights to Ontario from Columbus?
Most people fly into Ontario (ONT) if they book a flight to Ontario from Columbus. On average, Ontario has 0 inbound flights from Columbus per day from 4 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.
How long is the flight from Columbus Airport to Ontario?
There are many flights that can get you from Columbus Airport to Ontario in 6h 35m. Fly via Southwest or Delta to get the fastest option. There are 1944 mi between Columbus Airport and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Columbus Airport to Ontario round-trip?
Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $276 and $296, respectively. These flights start at 44% lower than the current average price 3 months from now.
Can I find deals for flights from Columbus to Ontario that include hotel bookings?
Yes. In addition to deals on Columbus to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Columbus to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Ontario.
Can I find deals for business class flights from Columbus to Ontario?
Yes. Cheapflights offers flight deals from Columbus to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Columbus Airport to Ontario?
Currently, May is the cheapest month in which you can book a flight from Columbus Airport to Ontario (average of $112). Flying from Columbus Airport to Ontario in March is currently the most expensive (average of $257). 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.

See more FAQs

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Other flights to Ontario

Top 4 airlines flying from Columbus to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$228	Average$449	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$276	Average$380	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$296	Average$425	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$346	Average$446	FlexibilityNo cancel fee	On-time63%

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$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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Columbus to Ontario with Cheapflights

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Cheap flight deals from Columbus to Ontario

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Round-trip from

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Average price

Find flight deals from Columbus to Ontario

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 October 22, 2025.

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 October 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Columbus Airport to Ontario that are best for you.

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 October.

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.

Cheapflights Insights

Everything you need to know about your flight from Columbus Airport to Ontario

What is the cheapest month to book a flight from Columbus Airport to Ontario?

What is the cheapest time of day to fly from CMH to ONT?

What’s the top layover airport for flights from Columbus Airport to Ontario?

What’s the fastest layover option from Columbus Airport to Ontario?

What’s the fastest layover option from Columbus Airport to Ontario?

Which airport typically offers the quickest layover for flights from Columbus Airport to Ontario?

Reviews of airlines servicing Ontario

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.

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.

What airport do you fly into for flights to Ontario from Columbus?

How long is the flight from Columbus Airport to Ontario?

What are the cheapest airlines flying from Columbus Airport to Ontario round-trip?

Can I find deals for flights from Columbus to Ontario that include hotel bookings?

How can I find direct flights from Columbus to Ontario?

Can I find deals for business class flights from Columbus to Ontario?

What is the cheapest month to book a flight from Columbus Airport to Ontario?

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 for Columbus to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Columbus to Ontario

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Cheapest flights from Columbus to Ontario
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 October 22, 2025.