What is the cheapest airline that flies from Ontario to Los Angeles?

Frontier is the most popular carrier operating from Ontario to Los Angeles

What is the most punctual flight time for Ontario to Los Angeles flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

How often are flights from Ontario to Los Angeles delayed?

Historically, on average around 34% of flights between Ontario and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 85 minutes.

Which airline has the best punctuality record on Ontario to Los Angeles flights?

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 36% of their flights experiencing any sort of delay.

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

Prices for flights from Ontario Airport to Los Angeles Los Angeles Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Los Angeles Los Angeles Airport.

What documentation or ID do you need to fly to Los Angeles Los Angeles Airport?

The necessary travel and health documents for your Los Angeles Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$73 Cheap Flights from Ontario to Los Angeles in 2026

Find the cheapest flights from Ontario to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:48 am - 9:39 pm

ONT

LAX

12h 51m

1 stop

9:09 pm - 10:04 am

LAX

ONT

12h 55m

1 stop

$121Frontier

Thu, Aug 20 - Mon, Aug 24

3:13 pm - 9:54 pm

ONT

LAX

6h 41m

1 stop

9:40 am - 11:50 pm

LAX

ONT

14h 10m

1 stop

$130Frontier

Tue, Aug 18 - Tue, Aug 25

6:00 am - 2:14 pm

ONT

LAX

8h 14m

1 stop

6:15 am - 11:55 pm

LAX

ONT

17h 40m

1 stop

$134Frontier

Wed, Oct 7 - Wed, Oct 14

6:00 am - 12:11 am

ONT

LAX

18h 11m

1 stop

9:40 am - 11:50 pm

LAX

ONT

14h 10m

1 stop

$137Frontier

Tue, Aug 25 - Tue, Sep 1

10:49 am - 12:11 am

ONT

LAX

13h 22m

1 stop

9:40 am - 11:50 pm

LAX

ONT

14h 10m

1 stop

$138Frontier

Thu, Aug 27 - Tue, Sep 1

8:48 am - 9:54 pm

ONT

LAX

13h 06m

1 stop

7:13 pm - 10:29 am

LAX

ONT

15h 16m

1 stop

$152Frontier

Sat, Aug 29 - Sat, Sep 5

8:48 am - 10:39 pm

ONT

LAX

13h 51m

2 stops

9:09 pm - 10:04 am

LAX

ONT

12h 55m

1 stop

$156Frontier

Thu, Aug 20 - Mon, Aug 24

8:48 am - 9:54 pm

ONT

LAX

13h 06m

1 stop

10:22 pm - 3:54 pm

LAX

ONT

17h 32m

1 stop

$157Frontier

Sat, Aug 22 - Mon, Aug 24

8:48 am - 9:54 pm

ONT

LAX

13h 06m

1 stop

6:55 am - 4:22 pm

LAX

ONT

9h 27m

1 stop

$162Frontier

Thu, Aug 27 - Thu, Sep 3

8:48 am - 9:54 pm

ONT

LAX

13h 06m

1 stop

10:22 pm - 3:49 pm

LAX

ONT

17h 27m

1 stop

$165Frontier

Mon, Aug 31 - Mon, Sep 7

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Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Aug 20

ONT8:48 amOntario

12h 51m

1 stop

LAX9:39 pmLos Angeles Los Angeles

Aug 24

LAX9:09 pmLos Angeles Los Angeles

12h 55m

1 stop

ONT10:04 amOntario

$121

Frontier

Aug 18

ONT3:13 pmOntario

6h 41m

1 stop

LAX9:54 pmLos Angeles Los Angeles

Aug 25

LAX9:40 amLos Angeles Los Angeles

14h 10m

1 stop

ONT11:50 pmOntario

$130

Frontier

Oct 7

ONT6:00 amOntario

8h 14m

1 stop

LAX2:14 pmLos Angeles Los Angeles

Oct 14

LAX6:15 amLos Angeles Los Angeles

17h 40m

1 stop

ONT11:55 pmOntario

$134

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 8/20

8:48 am-9:39 pm

1 stop12h 51m

Los Angeles Los Angeles

Mon 8/24

9:09 pm-10:04 am

1 stop12h 55m

$121

Quickest round-trip

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Tue 8/18

3:13 pm-9:54 pm

1 stop6h 41m

Los Angeles Los Angeles

Tue 8/25

9:40 am-11:50 pm

1 stop14h 10m

$130

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Wed 10/7

6:00 am-2:14 pm

1 stop8h 14m

Los Angeles Los Angeles

Wed 10/14

6:15 am-11:55 pm

1 stop17h 40m

$134

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Tue 8/25

6:00 am-12:11 am

1 stop18h 11m

Los Angeles Los Angeles

Tue 9/1

9:40 am-11:50 pm

1 stop14h 10m

$137

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 8/27

10:49 am-12:11 am

1 stop13h 22m

Los Angeles Los Angeles

Tue 9/1

9:40 am-11:50 pm

1 stop14h 10m

$138

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 8/29

8:48 am-9:54 pm

1 stop13h 06m

Los Angeles Los Angeles

Sat 9/5

7:13 pm-10:29 am

1 stop15h 16m

$152

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 8/20

8:48 am-10:39 pm

2 stops13h 51m

Los Angeles Los Angeles

Mon 8/24

9:09 pm-10:04 am

1 stop12h 55m

$156

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 8/22

8:48 am-9:54 pm

1 stop13h 06m

Los Angeles Los Angeles

Mon 8/24

10:22 pm-3:54 pm

1 stop17h 32m

$157

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 8/27

8:48 am-9:54 pm

1 stop13h 06m

Los Angeles Los Angeles

Thu 9/3

6:55 am-4:22 pm

1 stop9h 27m

$162

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Mon 8/31

8:48 am-9:54 pm

1 stop13h 06m

Los Angeles Los Angeles

Mon 9/7

10:22 pm-3:49 pm

1 stop17h 27m

$165

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 Los Angeles

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

Delays

Can stopping save me money on Ontario to Los Angeles flights?

You could potentially save up to 23% on your flight if you consider stops on a Ontario to Los Angeles flight.

When to book flights from Ontario to Los Angeles

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

Estimated round-trip price

Cheap Ontario to Los Angeles (ONT to LAX) flight deals and tips

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

Fastest flight time	7h 36m
Direct flights	None

The fastest flight from Ontario to Los Angeles takes 7h 36m

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

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Frequently asked questions about flying from Ontario to Los Angeles

How far is Ontario to Los Angeles Los Angeles by plane?
There are 38.0 mi between Ontario and Los Angeles Los Angeles. 7h 36m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Los Angeles Los Angeles Airport?
Prices for flights from Ontario Airport to Los Angeles Los Angeles Airport are updated daily.
How old do you have to be to fly from Ontario Airport to Los Angeles Los Angeles Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Los Angeles Los Angeles Airport.
What documentation or ID do you need to fly to Los Angeles Los Angeles Airport?
The necessary travel and health documents for your Los Angeles Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Avalon

Laguna Beach

Big Bear Lake

Carlsbad

Temecula

Riverside

Oceanside

Big Bear

Inglewood

San Clemente

Malibu

Pasadena

Newport Beach

Orange

Ventura

Huntington Beach

Buena Park

Irvine

West Hollywood

Downey

Why use momondo?

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

Finding the right flight to Los Angeles from Ontario 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 Los Angeles quick and easy, saving you time and money.

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

Yes. All flights to Los Angeles 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 Los Angeles?

Once you have performed a search for Ontario to Los Angeles flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ontario to Los Angeles now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Los Angeles and let you know when they change.

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Cheap flights from Ontario to Los Angeles from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Los Angeles departing on 9/2. 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 Ontario to Los Angeles

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How to get the cheapest flight ticket from Ontario to Los Angeles

Can stopping save me money on Ontario to Los Angeles flights?

What is the cheapest airline that flies from Ontario to Los Angeles?

How often are flights from Ontario to Los Angeles delayed?

What is the most punctual flight time for Ontario to Los Angeles flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Ontario to Los Angeles flights?

When to book flights from Ontario to Los Angeles

Cheap Ontario to Los Angeles (ONT to LAX) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Los Angeles

Traveling to a place near Los Angeles?

Why use momondo?

An easier way to manage your Los Angeles 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.

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Airports servicing California

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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