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Cheap flights from Cleveland to Los Angeles from $84

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 9/30. 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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0 bags

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Find the cheapest flights from Cleveland to Los Angeles

Cheap round-trip flights

Frontier Logo
8:11 pm - 7:54 pmCLE-ONT
26h 43m1 stop
Frontier Logo
8:59 pm - 7:06 pmONT-CLE
19h 07m1 stop
$151Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
8:11 pm - 7:54 pmCLE-ONT
26h 43m1 stop
Frontier Logo
7:15 pm - 11:02 amONT-CLE
12h 47m1 stop
$152Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Frontier Logo
8:11 pm - 7:54 pmCLE-ONT
26h 43m1 stop
Frontier Logo
7:15 pm - 11:02 amONT-CLE
12h 47m1 stop
$153Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Frontier Logo
4:15 pm - 8:42 pmCLE-ONT
7h 27m1 stop
Frontier Logo
6:53 am - 11:59 pmONT-CLE
14h 06m1 stop
$160Frontier
Find Deal
Tue, Oct 14 - Wed, Oct 15
Frontier Logo
9:59 pm - 11:50 pmCLE-ONT
28h 51m1 stop
Frontier Logo
10:47 pm - 6:07 amONT-CLE
28h 20m1 stop
$161Frontier
Find Deal
Mon, Oct 20 - Fri, Oct 24
Frontier Logo
4:15 pm - 8:42 pmCLE-ONT
7h 27m1 stop
Frontier Logo
6:53 am - 11:51 pmONT-CLE
13h 58m1 stop
$162Frontier
Find Deal
Sat, Nov 8 - Mon, Nov 10
Frontier Logo
11:27 am - 3:39 pmCLE-ONT
7h 12m1 stop
Frontier Logo
7:15 pm - 11:02 amONT-CLE
12h 47m1 stop
$164Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
4:15 pm - 8:42 pmCLE-ONT
7h 27m1 stop
Frontier Logo
8:00 am - 5:46 pmONT-CLE
6h 46m1 stop
$168Frontier
Find Deal
Wed, Nov 5 - Tue, Nov 18
Multiple Airlines Logo
4:15 pm - 8:42 pmCLE-ONT
7h 27m1 stop
Multiple Airlines Logo
6:00 am - 7:15 pmONT-CLE
10h 15m1 stop
$242Multiple Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Multiple Airlines Logo
8:00 am - 12:51 pmCLE-ONT
7h 51m1 stop
Multiple Airlines Logo
6:00 am - 7:15 pmONT-CLE
10h 15m1 stop
$285Multiple Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 11

Frontier flights from Cleveland to Ontario

Our best Frontier deals on Cleveland to Ontario flight tickets
Frontier
Oct 2
CLE8:11 pmCleveland Hopkins Intl
26h 43m
1 stop
ONT7:54 pmOntario
Oct 5
ONT8:59 pmOntario
19h 07m
1 stop
CLE7:06 pmCleveland Hopkins Intl
$151
Find similar
Frontier
Oct 3
CLE8:11 pmCleveland Hopkins Intl
26h 43m
1 stop
ONT7:54 pmOntario
Oct 5
ONT7:15 pmOntario
12h 47m
1 stop
CLE11:02 amCleveland Hopkins Intl
$152
Find similar
Frontier
Oct 3
CLE8:11 pmCleveland Hopkins Intl
26h 43m
1 stop
ONT7:54 pmOntario
Oct 5
ONT7:15 pmOntario
12h 47m
1 stop
CLE11:02 amCleveland Hopkins Intl
$153
Find similar

Delta flights from Cleveland to Ontario

Our best Delta deals on Cleveland to Ontario flight tickets
Delta
Sep 30
CLE10:00 amCleveland Hopkins Intl
15h 23m
2 stops
ONT10:23 pmOntario
Oct 4
ONT7:05 amOntario
24h 04m
2 stops
CLE10:09 amCleveland Hopkins Intl
$461
Find similar
Delta
Sep 30
CLE10:00 amCleveland Hopkins Intl
15h 23m
2 stops
ONT10:23 pmOntario
Oct 4
ONT7:05 amOntario
6h 59m
1 stop
CLE5:04 pmCleveland Hopkins Intl
$496
Find similar
Delta
Sep 24
CLE6:00 amCleveland Hopkins Intl
16h 15m
2 stops
ONT7:15 pmOntario
Oct 3
ONT10:00 pmOntario
17h 22m
2 stops
CLE6:22 pmCleveland Hopkins Intl
$501
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cleveland 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Cleveland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Thu 10/2

8:11 pm-7:54 pm

1 stop26h 43m

Ontario

Sun 10/5

8:59 pm-7:06 pm

1 stop19h 07m

$151

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 10/3

8:11 pm-7:54 pm

1 stop26h 43m

Ontario

Sun 10/5

7:15 pm-11:02 am

1 stop12h 47m

$152

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 10/3

8:11 pm-7:54 pm

1 stop26h 43m

Ontario

Sun 10/5

7:15 pm-11:02 am

1 stop12h 47m

$153

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Tue 10/14

4:15 pm-8:42 pm

1 stop7h 27m

Ontario

Wed 10/15

6:53 am-11:59 pm

1 stop14h 06m

$160

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Mon 10/20

9:59 pm-11:50 pm

1 stop28h 51m

Ontario

Fri 10/24

10:47 pm-6:07 am

1 stop28h 20m

$161

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Sat 11/8

4:15 pm-8:42 pm

1 stop7h 27m

Ontario

Mon 11/10

6:53 am-11:51 pm

1 stop13h 58m

$162

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Thu 10/2

11:27 am-3:39 pm

1 stop7h 12m

Ontario

Sun 10/5

7:15 pm-11:02 am

1 stop12h 47m

$164

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Wed 11/5

4:15 pm-8:42 pm

1 stop7h 27m

Ontario

Tue 11/18

8:00 am-5:46 pm

1 stop6h 46m

$168

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Sat 11/1

4:15 pm-8:42 pm

1 stop7h 27m

Ontario

Tue 11/4

6:00 am-7:15 pm

1 stop10h 15m

$242

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Mon 11/10

8:00 am-12:51 pm

1 stop7h 51m

Ontario

Tue 11/11

6:00 am-7:15 pm

1 stop10h 15m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $255. If you aren’t able to travel during the month of August, then book flights to Ontario from Cleveland during February instead. Flights to Ontario in February, while not as cheap as those in August, still average around $296.

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 $348 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 $168 on momondo.

How have Cleveland to Ontario flight prices changed over time?

As of September 2025, prices for Cleveland to Ontario flights are approximately 100% more expensive 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

Direct flights

None
There are no direct flights from Cleveland to Ontario. There are no popular flight routes from Cleveland to Ontario.
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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?

  • 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?

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
FrontierPriceFrom $147Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $341Free CancellationRating
8.0
4,242 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.

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.
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