Which airport is the most popular layover for flights between Cleveland and Ontario?

Phoenix (PHX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Cleveland to Ontario?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 50m.

Which layover airport offers the lowest fares from Cleveland to Ontario?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $299.

What airlines fly to Ontario?

United Airlines, Delta and Frontier are the top three most popular airlines that fly to Ontario from Cleveland according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Cleveland Hopkins Intl to Ontario?

Frontier is the most popular carrier operating from Cleveland Hopkins Intl to Ontario

Which layover airport has the shortest connection time from Cleveland to Ontario?

Denver (DEN) has the shortest average layover time for this route: 0h 55m.

When did momondo last update prices for flights from Cleveland Hopkins Intl Airport to Ontario Airport?

Prices for flights from Cleveland Hopkins Intl Airport to Ontario Airport were last updated today.

How many operators does momondo search for flights from Cleveland Hopkins Intl Airport to Ontario Airport?

As of October 2026, there are 5 operators available to choose from for flights from Cleveland Hopkins Intl Airport to Ontario Airport.

How old do you have to be to fly from Cleveland Hopkins Intl Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cleveland Hopkins Intl Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$93 Cheap Flights from Cleveland to Ontario in 2026/27

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Find the cheapest flights from Cleveland to Los Angeles

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4:50 pm - 11:51 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 01m1 stop Denver Intl

11:52 am - 9:06 amONT Ontario-CLE Cleveland Hopkins Intl

18h 14m2 stops Denver Intl Orlando

$214Frontier

Tue, Nov 10 - Thu, Nov 12

4:50 pm - 11:51 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 01m1 stop Denver Intl

2:23 pm - 4:26 amONT Ontario-CLE Cleveland Hopkins Intl

11h 03m1 stop Las Vegas Harry Reid Intl

$215Frontier

Tue, Nov 10 - Thu, Nov 12

8:23 am - 3:13 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 50m1 stop Seattle/Tacoma Intl

6:25 am - 3:40 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 15m1 stop Denver Intl

$327Multiple Airlines

Tue, Nov 10 - Thu, Nov 12

8:23 am - 3:13 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 50m1 stop Seattle/Tacoma Intl

6:25 am - 3:40 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 15m1 stop Denver Intl

$327Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

7:00 am - 11:27 amCLE Cleveland Hopkins Intl-ONT Ontario

7h 27m1 stop Atlanta Hartsfield-Jackson

1:00 pm - 10:51 pmONT Ontario-CLE Cleveland Hopkins Intl

6h 51m1 stop Salt Lake City

$357Delta

Thu, Jan 28 - Sat, Feb 6

7:45 am - 12:30 pmCLE Cleveland Hopkins Intl-ONT Ontario

7h 45m1 stop Salt Lake City

12:00 pm - 10:46 pmONT Ontario-CLE Cleveland Hopkins Intl

7h 46m1 stop Atlanta Hartsfield-Jackson

$357Delta

Wed, Feb 3 - Mon, Feb 8

6:00 am - 1:24 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 24m1 stop Dallas/Fort Worth

9:28 am - 11:39 pmONT Ontario-CLE Cleveland Hopkins Intl

11h 11m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$362American Airlines

Wed, Dec 16 - Wed, Jan 6

6:00 am - 12:12 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 12m1 stop Dallas/Fort Worth

9:28 am - 11:31 pmONT Ontario-CLE Cleveland Hopkins Intl

11h 03m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$362American Airlines

Wed, Dec 16 - Wed, Jan 6

6:30 am - 11:55 amCLE Cleveland Hopkins Intl-ONT Ontario

8h 25m2 stops Denver Intl Las Vegas Harry Reid Intl

12:45 pm - 12:10 amONT Ontario-CLE Cleveland Hopkins Intl

8h 25m1 stop Denver Intl

$457Southwest

Wed, Dec 16 - Mon, Dec 28

6:30 am - 11:55 amCLE Cleveland Hopkins Intl-ONT Ontario

8h 25m2 stops Denver Intl Las Vegas Harry Reid Intl

9:35 pm - 9:45 amONT Ontario-CLE Cleveland Hopkins Intl

9h 10m2 stops Las Vegas Harry Reid Intl Chicago Midway

$462Southwest

Wed, Dec 16 - Mon, Dec 28

Cheap last minute flights

Enter your travel dates to find the best prices.

12:23 pm - 6:16 pmCLE Cleveland Hopkins Intl-ONT Ontario

8h 53m1 stop Dallas/Fort Worth

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

9h 30m1 stop Las Vegas Harry Reid Intl

$388Frontier

Wed, Oct 7 - Wed, Oct 14

7:00 pm - 9:09 amCLE Cleveland Hopkins Intl-ONT Ontario

17h 09m1 stop Las Vegas Harry Reid Intl

2:30 pm - 6:19 amONT Ontario-CLE Cleveland Hopkins Intl

12h 49m1 stop Las Vegas Harry Reid Intl

$388Frontier

Tue, Oct 6 - Wed, Oct 7

5:12 am - 1:16 pmCLE Cleveland Hopkins Intl-ONT Ontario

11h 04m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

2:30 pm - 6:19 amONT Ontario-CLE Cleveland Hopkins Intl

12h 49m1 stop Las Vegas Harry Reid Intl

$549Multiple Airlines

Tue, Oct 6 - Wed, Oct 7

5:12 am - 1:16 pmCLE Cleveland Hopkins Intl-ONT Ontario

11h 04m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

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

9h 30m1 stop Las Vegas Harry Reid Intl

$554Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

5:12 am - 12:14 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 02m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

9:41 am - 9:31 pmONT Ontario-CLE Cleveland Hopkins Intl

8h 50m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$597American Airlines

Wed, Oct 7 - Wed, Oct 14

3:10 pm - 10:05 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 55m2 stops Denver Intl Phoenix Sky Harbor Intl

10:25 am - 9:05 pmONT Ontario-CLE Cleveland Hopkins Intl

7h 40m2 stops Denver Intl Nashville Intl

$621Southwest

Tue, Oct 6 - Wed, Oct 7

6:06 pm - 10:49 pmCLE Cleveland Hopkins Intl-ONT Ontario

7h 43m1 stop Chicago O'Hare Intl

6:07 am - 6:18 pmONT Ontario-CLE Cleveland Hopkins Intl

9h 11m1 stop San Francisco

$675United Airlines

Tue, Oct 6 - Thu, Oct 8

2:00 pm - 7:30 pmCLE Cleveland Hopkins Intl-ONT Ontario

8h 30m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 12:57 amONT Ontario-CLE Cleveland Hopkins Intl

9h 41m1 stop Atlanta Hartsfield-Jackson

$675Delta

Sat, Oct 10 - Sun, Oct 11

3:10 pm - 10:05 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 55m2 stops Denver Intl Phoenix Sky Harbor Intl

12:40 pm - 11:55 pmONT Ontario-CLE Cleveland Hopkins Intl

8h 15m1 stop Denver Intl

$680Southwest

Wed, Oct 7 - Thu, Oct 8

7:53 am - 3:16 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 23m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

6:00 am - 6:51 pmONT Ontario-CLE Cleveland Hopkins Intl

9h 51m1 stop Dallas/Fort Worth

$768American Airlines

Thu, Oct 8 - Sun, Oct 11

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Frontier flights from Cleveland to Ontario

Our best Frontier deals on Cleveland to Ontario flight tickets

Frontier

Nov 10

CLE4:50 pmCleveland Hopkins Intl

10h 01m

1 stop

ONT11:51 pmOntario

Nov 12

ONT11:52 amOntario

18h 14m

2 stops

CLE9:06 amCleveland Hopkins Intl

$214

Frontier

Nov 10

CLE4:50 pmCleveland Hopkins Intl

10h 01m

1 stop

ONT11:51 pmOntario

Nov 12

ONT2:23 pmOntario

11h 03m

1 stop

CLE4:26 amCleveland Hopkins Intl

$215

Frontier

Oct 20

CLE4:50 pmCleveland Hopkins Intl

10h 00m

1 stop

ONT11:50 pmOntario

Oct 23

ONT8:35 pmOntario

6h 20m

1 stop

CLE5:55 amCleveland Hopkins Intl

$235

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 11/10

4:50 pm-11:51 pm

1 stop10h 01m

Ontario

Thu 11/12

11:52 am-9:06 am

2 stops18h 14m

$214

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 11/10

4:50 pm-11:51 pm

1 stop10h 01m

Ontario

Thu 11/12

2:23 pm-4:26 am

1 stop11h 03m

$215

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 11/10

8:23 am-3:13 pm

1 stop9h 50m

Ontario

Thu 11/12

6:25 am-3:40 pm

1 stop6h 15m

$327

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 11/4

8:23 am-3:13 pm

1 stop9h 50m

Ontario

Tue 11/10

6:25 am-3:40 pm

1 stop6h 15m

$327

Quickest round-trip

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Thu 1/28

7:00 am-11:27 am

1 stop7h 27m

Ontario

Sat 2/6

1:00 pm-10:51 pm

1 stop6h 51m

$357

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 2/3

7:45 am-12:30 pm

1 stop7h 45m

Ontario

Mon 2/8

12:00 pm-10:46 pm

1 stop7h 46m

$357

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:00 am-1:24 pm

1 stop10h 24m

Ontario

Wed 1/6

9:28 am-11:39 pm

2 stops11h 11m

$362

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:00 am-12:12 pm

1 stop9h 12m

Ontario

Wed 1/6

9:28 am-11:31 pm

2 stops11h 03m

$362

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:30 am-11:55 am

2 stops8h 25m

Ontario

Mon 12/28

12:45 pm-12:10 am

1 stop8h 25m

$457

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:30 am-11:55 am

2 stops8h 25m

Ontario

Mon 12/28

9:35 pm-9:45 am

2 stops9h 10m

$462

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 Cleveland to Ontario

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

Layovers

What is the typical price of a round-trip flight between Cleveland and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $376 to $536.
The lowest price recently found on this route was $214.

What is the cheapest month to fly to Ontario?

In general, December is the cheapest month to fly from Cleveland to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $376. If you aren’t able to travel during the month of December, then book flights to Ontario from Cleveland during May instead. Flights to Ontario in May, while not as cheap as those in December, still average around $376.

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

You are more likely to see cheaper flights to Ontario from Cleveland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Cleveland for as low as $336 on momondo.

How have Cleveland to Ontario flight prices changed over time?

As of October 2026, prices for Cleveland to Ontario flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Cleveland to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Cleveland to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Cleveland to Ontario (CLE to ONT) flight deals and tips

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

Best Price Found	$93
Fastest flight time	7h 16m
Direct flights	None

The best one-way flight to Ontario from Cleveland in the past 72 hours is $93. The best round-trip flight deal from Cleveland to Ontario found on momondo in the last 72 hours is $214.

The fastest flight from Cleveland to Ontario takes 7h 16m

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

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Frequently asked questions about flying from Cleveland to Ontario

How far is Cleveland Hopkins Intl to Ontario by plane?
The distance between Cleveland Hopkins Intl and Ontario is about 2012.5 mi. A reasonable flight in good conditions will take 7h 16m.
When did momondo last update prices for flights from Cleveland Hopkins Intl Airport to Ontario Airport?
Prices for flights from Cleveland Hopkins Intl Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Cleveland Hopkins Intl Airport to Ontario Airport?
As of October 2026, there are 5 operators available to choose from for flights from Cleveland Hopkins Intl Airport to Ontario Airport.
How old do you have to be to fly from Cleveland Hopkins Intl Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cleveland Hopkins Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Cleveland to Ontario?
momondo data reveals that the most frequently booked airline on the route from Cleveland to Ontario is Frontier, representing 35% of all bookings. The subsequent popular airlines are Southwest at 25%, American Airlines at 22%, and United Airlines at 11%.

Best airlines flying from Cleveland to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $176	Free Cancellation	Rating 5.5 2,553 reviews	Search Frontier flights
American Airlines	PriceFrom $299	Free Cancellation	Rating 7.0 12,127 reviews	Search American Airlines flights
Delta	PriceFrom $314	Free Cancellation	Rating 7.8 8,629 reviews	Search Delta flights
Southwest	PriceFrom $356	Free Cancellation	Rating 8.0 4,213 reviews	Search Southwest flights
United Airlines	PriceFrom $361	Free Cancellation	Rating 7.4 10,279 reviews	Search United Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Cleveland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from Cleveland which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Cleveland to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Cleveland and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from Cleveland to Los Angeles from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cleveland to Los Angeles departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Cleveland to Ontario

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How to get the cheapest flight ticket from Cleveland to Ontario

What is the typical price of a round-trip flight between Cleveland and Ontario?

What is the cheapest month to fly to Ontario?

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

How have Cleveland to Ontario flight prices changed over time?

What is the cheapest airline that flies from Cleveland Hopkins Intl to Ontario?

What airlines fly to Ontario?

Which airport is the most popular layover for flights between Cleveland and Ontario?

Which layover airport offers the lowest fares from Cleveland to Ontario?

Which layover airport has the shortest travel time from Cleveland to Ontario?

Which layover airport has the shortest connection time from Cleveland to Ontario?

When to book flights from Cleveland to Ontario

Cheap Cleveland to Ontario (CLE to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Cleveland to Ontario

Best airlines flying from Cleveland to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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