What airlines fly to Ontario?

Spirit Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Cleveland according to our data. Spirit Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 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?

Alaska Airlines, Frontier, and United Airlines are the most popular carriers operating from Cleveland Hopkins Intl to Ontario

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 July 2025, 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.

$101 Cheap Flights from Cleveland to Ontario in 2025

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Find the cheapest flights from Cleveland to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

7:00 pm - 11:50 pmCLE-ONT

7h 50m1 stop

7:00 am - 4:34 pmONT-CLE

6h 34m1 stop

$175Frontier

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sáb., ago. 9 - sáb., ago. 16

7:11 am - 1:39 pmCLE-ONT

9h 28m1 stop

11:29 pm - 11:55 amONT-CLE

9h 26m1 stop

$183American Airlines

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sáb., ago. 30 - lun., sep. 1

11:50 am - 5:50 pmCLE-ONT

9h 00m2 stops

11:29 pm - 11:55 amONT-CLE

9h 26m1 stop

$188American Airlines

Find Deal

sáb., ago. 30 - lun., sep. 1

4:44 pm - 8:52 pmCLE-ONT

7h 08m1 stop

5:14 pm - 6:00 amONT-CLE

9h 46m1 stop

$196Frontier

Find Deal

dom., ago. 3 - jue., ago. 7

4:44 pm - 8:52 pmCLE-ONT

7h 08m1 stop

12:59 am - 11:00 amONT-CLE

7h 01m1 stop

$206Frontier

Find Deal

dom., ago. 3 - mié., ago. 6

5:00 am - 10:01 amCLE-ONT

8h 01m1 stop

10:29 pm - 11:43 amONT-CLE

10h 14m1 stop

$209American Airlines

Find Deal

mar., ago. 5 - vie., ago. 8

7:00 am - 1:26 pmCLE-ONT

9h 26m1 stop

4:00 pm - 5:11 amONT-CLE

10h 11m1 stop

$243Alaska Airlines

Find Deal

mié., ago. 13 - lun., ago. 18

5:15 pm - 9:05 pmCLE-ONT

6h 50m1 stop

5:40 am - 4:30 pmONT-CLE

7h 50m2 stops

$266Southwest

Find Deal

lun., sep. 8 - vie., sep. 12

7:00 am - 2:46 pmCLE-ONT

10h 46m1 stop

4:00 pm - 5:11 amONT-CLE

10h 11m1 stop

$283Alaska Airlines

Find Deal

jue., ago. 14 - lun., ago. 18

5:20 am - 9:20 amCLE-ONT

7h 00m1 stop

1:35 pm - 10:35 pmONT-CLE

6h 00m1 stop

$293Southwest

Find Deal

dom., oct. 5 - dom., oct. 5

Frontier flights from Cleveland to Ontario

Our best Frontier deals on Cleveland to Ontario flight tickets

Frontier

Aug 9

CLE7:00 pmCleveland Hopkins Intl

7h 50m

1 stop

ONT11:50 pmOntario

Aug 16

ONT7:00 amOntario

6h 34m

1 stop

CLE4:34 pmCleveland Hopkins Intl

$175

Find similar

Frontier

Aug 3

CLE4:44 pmCleveland Hopkins Intl

7h 08m

1 stop

ONT8:52 pmOntario

Aug 7

ONT5:14 pmOntario

9h 46m

1 stop

CLE6:00 amCleveland Hopkins Intl

$196

Find similar

Frontier

Aug 3

CLE4:44 pmCleveland Hopkins Intl

7h 08m

1 stop

ONT8:52 pmOntario

Aug 6

ONT12:59 amOntario

7h 01m

1 stop

CLE11:00 amCleveland Hopkins Intl

$206

Find similar

American Airlines flights from Cleveland to Ontario

Our best American Airlines deals on Cleveland to Ontario flight tickets

American Airlines

Aug 30

CLE7:11 amCleveland Hopkins Intl

9h 28m

1 stop

ONT1:39 pmOntario

Sep 1

ONT11:29 pmOntario

9h 26m

1 stop

CLE11:55 amCleveland Hopkins Intl

$183

Find similar

American Airlines

Aug 30

CLE11:50 amCleveland Hopkins Intl

9h 00m

2 stops

ONT5:50 pmOntario

Sep 1

ONT11:29 pmOntario

9h 26m

1 stop

CLE11:55 amCleveland Hopkins Intl

$188

Find similar

American Airlines

Aug 5

CLE5:00 amCleveland Hopkins Intl

8h 01m

1 stop

ONT10:01 amOntario

Aug 8

ONT10:29 pmOntario

10h 14m

1 stop

CLE11:43 amCleveland Hopkins Intl

$209

Find similar

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

What is the cheapest month to fly to Ontario?

In general, August 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 $309. If you aren’t able to travel during the month of August, then book flights to Ontario from Cleveland during January instead. Flights to Ontario in January, while not as cheap as those in August, still average around $320.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $337. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Cleveland to Ontario for around $488.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Cleveland to Ontario when you can find flight prices for as low as $307. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $380 on average. Flights to Ontario from Cleveland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $357 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 $247 on momondo.

How have Cleveland to Ontario flight prices changed over time?

As of July 2025, prices for Cleveland to Ontario flights are approximately 20% 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	$101
Fastest flight time	6h 31m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Cleveland in the past 72 hours is $101. The best round-trip flight deal from Cleveland to Ontario found on momondo in the last 72 hours is $175.

The fastest flight from Cleveland to Ontario takes 6h 31m

There are no direct flights from Cleveland to Ontario. Popular non-direct route for this connection is Cleveland Hopkins Intl Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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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 6h 31m.
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 July 2025, 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 44% of all bookings. The subsequent popular airlines are Southwest at 21%, American Airlines at 16%, and Delta at 13%.

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 $153	Free Cancellation	Rating 5.9 3,271 reviews	Search Frontier flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $321	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Southwest	PriceFrom $344	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest 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.