What is the cheapest airline that flies from Ontario to Ohio?

Frontier, Southwest, and Delta are the most popular carriers operating from Ontario to Ohio

What airlines fly to Ohio?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Ohio from Ontario according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Ohio. Keep in mind that there are 9 different airlines that fly to Ohio on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Ohio?

Prices for flights from Ontario Airport to Ohio were last updated today.

How many operators does momondo search for flights from Ontario Airport to Ohio?

As of August 2026, there are 5 operators available to choose from for flights from Ontario Airport to Ohio.

How old do you have to be to fly from Ontario Airport to Ohio?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ohio.

What documentation or ID do you need to fly to Ohio?

The travel and health documents required for your trip to Ohio can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ohio. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$77 Cheap Flights from Ontario to Ohio in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Ohio

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:38 pm - 4:30 amONT Ontario-CLE Cleveland Hopkins Intl

9h 52m1 stop Las Vegas Harry Reid Intl

4:50 pm - 11:50 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 00m1 stop Denver Intl

$168Frontier

Thu, Oct 15 - Tue, Oct 20

5:25 pm - 5:55 amONT Ontario-CLE Cleveland Hopkins Intl

9h 30m1 stop Las Vegas Harry Reid Intl

4:50 pm - 11:50 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 00m1 stop Denver Intl

$168Frontier

Wed, Oct 14 - Tue, Oct 20

3:14 pm - 5:11 amONT Ontario-CLE Cleveland Hopkins Intl

10h 57m1 stop Seattle/Tacoma Intl

12:23 pm - 7:26 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 03m1 stop Dallas/Fort Worth

$245Multiple Airlines

Sat, Sep 12 - Mon, Sep 14

12:37 pm - 10:18 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 41m1 stop Dallas/Fort Worth

7:45 am - 12:03 pmCLE Cleveland Hopkins Intl-ONT Ontario

7h 18m1 stop Phoenix Sky Harbor Intl

$267American Airlines

Sat, Sep 12 - Sat, Sep 19

12:37 pm - 10:18 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 41m1 stop Dallas/Fort Worth

8:03 am - 11:47 amCLE Cleveland Hopkins Intl-ONT Ontario

6h 44m1 stop Dallas/Fort Worth

$267American Airlines

Sat, Sep 12 - Sat, Sep 19

3:14 pm - 5:11 amONT Ontario-CLE Cleveland Hopkins Intl

10h 57m1 stop Seattle/Tacoma Intl

12:23 pm - 7:26 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 03m1 stop Dallas/Fort Worth

$267Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

11:55 pm - 11:10 amONT Ontario-CMH Columbus

8h 15m1 stop Chicago Midway

6:35 pm - 10:05 pmCMH Columbus-ONT Ontario

6h 30m1 stop Denver Intl

$268Southwest

Tue, Sep 22 - Tue, Sep 29

6:00 am - 4:03 pmONT Ontario-CMH Columbus

7h 03m1 stop San Francisco

12:25 pm - 8:15 pmCMH Columbus-ONT Ontario

10h 50m2 stops Chicago O'Hare Intl San Francisco

$272United Airlines

Sat, Nov 7 - Tue, Nov 10

10:55 am - 11:10 pmONT Ontario-CLE Cleveland Hopkins Intl

9h 15m1 stop Denver Intl

3:40 pm - 9:20 pmCLE Cleveland Hopkins Intl-ONT Ontario

8h 40m2 stops Lambert-St Louis Las Vegas Harry Reid Intl

$273Southwest

Tue, Sep 22 - Tue, Oct 6

6:00 am - 4:02 pmONT Ontario-CMH Columbus

7h 02m1 stop Houston George Bush Intcntl

12:36 pm - 8:31 pmCMH Columbus-ONT Ontario

10h 55m2 stops Chicago O'Hare Intl San Francisco

$282United Airlines

Sat, Sep 26 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 6:20 amONT Ontario-DTW Detroit Metropolitan Wayne County

11h 40m1 stop Las Vegas Harry Reid Intl

7:08 am - 10:30 amDTW Detroit Metropolitan Wayne County-ONT Ontario

6h 22m1 stop Denver Intl

$323Frontier

Tue, Aug 18 - Wed, Sep 23

10:49 am - 11:59 pmONT Ontario-DTW Detroit Metropolitan Wayne County

10h 10m1 stop Denver Intl

7:08 am - 10:30 amDTW Detroit Metropolitan Wayne County-ONT Ontario

6h 22m1 stop Denver Intl

$323Frontier

Sun, Aug 16 - Tue, Sep 22

11:47 am - 9:54 pmONT Ontario-CLE Cleveland Hopkins Intl

7h 07m1 stop Las Vegas Harry Reid Intl

5:56 pm - 11:24 pmCLE Cleveland Hopkins Intl-ONT Ontario

8h 28m1 stop Seattle/Tacoma Intl

$461Multiple Airlines

Mon, Aug 17 - Fri, Aug 28

6:15 am - 7:29 pmONT Ontario-CAK Akron/Canton

10h 14m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

8:20 am - 6:15 pmCAK Akron/Canton-ONT Ontario

12h 55m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$529American Airlines

Tue, Aug 18 - Sat, Aug 22

6:15 am - 9:49 pmONT Ontario-CAK Akron/Canton

12h 34m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

8:20 am - 6:15 pmCAK Akron/Canton-ONT Ontario

12h 55m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$529American Airlines

Wed, Aug 19 - Sat, Aug 22

7:05 am - 7:09 pmONT Ontario-CLE Cleveland Hopkins Intl

9h 04m1 stop Atlanta Hartsfield-Jackson

4:30 pm - 9:52 pmCLE Cleveland Hopkins Intl-ONT Ontario

8h 22m1 stop Atlanta Hartsfield-Jackson

$537Delta

Wed, Aug 19 - Mon, Aug 24

1:06 pm - 11:00 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 54m1 stop Salt Lake City

5:26 am - 10:42 amCLE Cleveland Hopkins Intl-ONT Ontario

8h 16m1 stop Atlanta Hartsfield-Jackson

$537Delta

Tue, Aug 18 - Mon, Aug 24

11:47 am - 9:54 pmONT Ontario-CLE Cleveland Hopkins Intl

7h 07m1 stop Las Vegas Harry Reid Intl

5:15 am - 4:30 pmCLE Cleveland Hopkins Intl-ONT Ontario

14h 15m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$538Multiple Airlines

Sat, Aug 15 - Tue, Aug 18

1:50 pm - 11:05 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 15m1 stop Denver Intl

6:45 am - 10:20 amCLE Cleveland Hopkins Intl-ONT Ontario

6h 35m1 stop Denver Intl

$567Southwest

Tue, Aug 18 - Sat, Aug 22

11:55 pm - 11:00 amONT Ontario-CLE Cleveland Hopkins Intl

8h 05m1 stop Chicago Midway

8:55 am - 3:15 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 20m2 stops Chicago Midway Las Vegas Harry Reid Intl

$572Southwest

Tue, Aug 18 - Sat, Aug 22

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Frontier flights from Ontario to Ohio

Our best Frontier deals on Ontario to Ohio flight tickets

Frontier

Sep 3

ONT3:40 pmOntario

12h 50m

1 stop

CLE7:30 amCleveland Hopkins Intl

Sep 8

CLE5:12 pmCleveland Hopkins Intl

9h 38m

1 stop

ONT11:50 pmOntario

$168

Frontier

Sep 3

ONT3:40 pmOntario

27h 34m

1 stop

CLE10:14 pmCleveland Hopkins Intl

Sep 7

CLE7:25 amCleveland Hopkins Intl

29h 39m

1 stop

ONT10:04 amOntario

$178

Frontier

Sep 9

ONT6:15 amOntario

6h 20m

1 stop

CMH3:35 pmColumbus

Sep 14

CMH4:30 pmColumbus

10h 17m

1 stop

ONT11:47 pmOntario

$195

Southwest flights from Ontario to Ohio

Our best Southwest deals on Ontario to Ohio flight tickets

Southwest

Sep 22

ONT11:55 pmOntario

8h 15m

1 stop

CMH11:10 amColumbus

Sep 29

CMH6:35 pmColumbus

6h 30m

1 stop

ONT10:05 pmOntario

$268

Southwest

Sep 9

ONT1:50 pmOntario

6h 20m

1 stop

CLE11:10 pmCleveland Hopkins Intl

Sep 16

CLE12:50 pmCleveland Hopkins Intl

7h 45m

2 stops

ONT5:35 pmOntario

$293

Southwest

Nov 6

ONT9:00 amOntario

7h 15m

1 stop

CMH7:15 pmColumbus

Nov 9

CMH5:30 amColumbus

8h 20m

1 stop

ONT10:50 amOntario

$303

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Thu 10/15

3:38 pm-4:30 am

1 stop9h 52m

Cleveland Hopkins Intl

Tue 10/20

4:50 pm-11:50 pm

1 stop10h 00m

$168

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Wed 10/14

5:25 pm-5:55 am

1 stop9h 30m

Cleveland Hopkins Intl

Tue 10/20

4:50 pm-11:50 pm

1 stop10h 00m

$168

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Sat 9/12

3:14 pm-5:11 am

1 stop10h 57m

Cleveland Hopkins Intl

Mon 9/14

12:23 pm-7:26 pm

1 stop10h 03m

$245

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Sat 9/12

12:37 pm-10:18 pm

1 stop6h 41m

Cleveland Hopkins Intl

Sat 9/19

7:45 am-12:03 pm

1 stop7h 18m

$267

Quickest round-trip

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Sat 9/12

12:37 pm-10:18 pm

1 stop6h 41m

Cleveland Hopkins Intl

Sat 9/19

8:03 am-11:47 am

1 stop6h 44m

$267

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Thu 9/10

3:14 pm-5:11 am

1 stop10h 57m

Cleveland Hopkins Intl

Mon 9/14

12:23 pm-7:26 pm

1 stop10h 03m

$267

OntarioColumbus

ONT Ontario - CMH Columbus

ONTCMH

Ontario

Tue 9/22

11:55 pm-11:10 am

1 stop8h 15m

Columbus

Tue 9/29

6:35 pm-10:05 pm

1 stop6h 30m

$268

OntarioColumbus

ONT Ontario - CMH Columbus

ONTCMH

Ontario

Sat 11/7

6:00 am-4:03 pm

1 stop7h 03m

Columbus

Tue 11/10

12:25 pm-8:15 pm

2 stops10h 50m

$272

OntarioCleveland

ONT Ontario - CLE Cleveland Hopkins Intl

ONTCLE

Ontario

Tue 9/22

10:55 am-11:10 pm

1 stop9h 15m

Cleveland Hopkins Intl

Tue 10/6

3:40 pm-9:20 pm

2 stops8h 40m

$273

OntarioColumbus

ONT Ontario - CMH Columbus

ONTCMH

Ontario

Sat 9/26

6:00 am-4:02 pm

1 stop7h 02m

Columbus

Tue 9/29

12:36 pm-8:31 pm

2 stops10h 55m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Ohio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ohio?

In general, September is the cheapest month to fly from Ontario to Ohio. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you are unable to visit Ohio during the month of September, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $356.

How far in advance should I book a flight from Ontario to Ohio?

You are more likely to see cheaper flights to Ohio from Ontario when booking week ahead of your departure date. In general, you can expect to find flights to Ohio for around $388 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ohio from Ontario for as low as $280 on momondo.

Can stopping save me money on Ontario to Ohio flights?

You could potentially save up to 60% on your flight if you consider stops on a Ontario to Ohio flight.

Cheap Ontario to Ohio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Ohio

Fastest flight time	6h 04m
Direct flights	None

The fastest flight from Ontario to Ohio takes 6h 04m

There are no direct flights from Ontario to Ohio. There are no popular flight routes from Ontario to Ohio.

Search flight deals

Frequently asked questions about flying from Ontario to Ohio

When did momondo last update prices for flights from Ontario Airport to Ohio?
Prices for flights from Ontario Airport to Ohio were last updated today.
How many operators does momondo search for flights from Ontario Airport to Ohio?
As of August 2026, there are 5 operators available to choose from for flights from Ontario Airport to Ohio.
How old do you have to be to fly from Ontario Airport to Ohio?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ohio.
What documentation or ID do you need to fly to Ohio?
The travel and health documents required for your trip to Ohio can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ohio. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Ohio

Compare and see reviews for airlines that fly from Ontario to Ohio with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $150	Free Cancellation	Rating 5.6 2,695 reviews	Search Frontier flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.1 11,924 reviews	Search American Airlines flights
Southwest	PriceFrom $307	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Ohio?

It is quick and easy to find Ontario to Ohio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ohio that suits you.

Can I find flights from Ontario to Ohio with flexible booking policies on momondo?

Yes. All flights to Ohio from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Ohio?

momondo helps you find the best flight between Ontario and Ohio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Ohio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Ohio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.