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

Generally, flights departing at night 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?

Friday 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.

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

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

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

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 38% of their flights experiencing any sort of delay.

How often are flights from Ontario to Los Angeles delayed?

Historically, on average around 37% 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 83 minutes.

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

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

How old do you have to be to fly from Ontario Airport to 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 Airport.

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

The necessary travel and health documents for your 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.

$71 Cheap Flights from Ontario to Los Angeles in 2026

Find the cheapest flights from Ontario to Los Angeles

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One-way

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Cheap round-trip flights

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2:30 pm - 8:14 pmONT Ontario-LAX Los Angeles

5h 44m1 stop Las Vegas Harry Reid Intl

11:30 am - 4:59 pmLAX Los Angeles-ONT Ontario

5h 29m1 stop Las Vegas Harry Reid Intl

$134Frontier

Sat, Oct 3 - Tue, Oct 6

10:04 am - 4:23 pmONT Ontario-LAX Los Angeles

6h 19m1 stop Las Vegas Harry Reid Intl

5:15 pm - 10:31 amLAX Los Angeles-ONT Ontario

17h 16m1 stop Las Vegas Harry Reid Intl

$139Frontier

Tue, Oct 6 - Tue, Oct 13

2:30 pm - 6:44 pmONT Ontario-LAX Los Angeles

4h 14m1 stop Las Vegas Harry Reid Intl

9:15 am - 4:30 pmLAX Los Angeles-ONT Ontario

7h 15m1 stop Las Vegas Harry Reid Intl

$140Frontier

Thu, Oct 1 - Wed, Oct 14

1:38 pm - 5:41 pmONT Ontario-LAX Los Angeles

4h 03m1 stop Las Vegas Harry Reid Intl

8:22 am - 7:40 pmLAX Los Angeles-ONT Ontario

11h 18m1 stop San Francisco

$142Frontier

Thu, Oct 8 - Thu, Oct 15

1:38 pm - 5:41 pmONT Ontario-LAX Los Angeles

4h 03m1 stop Las Vegas Harry Reid Intl

9:57 pm - 10:31 amLAX Los Angeles-ONT Ontario

12h 34m1 stop Las Vegas Harry Reid Intl

$144Frontier

Thu, Oct 8 - Mon, Oct 12

8:35 pm - 7:48 amONT Ontario-LAX Los Angeles

11h 13m1 stop Las Vegas Harry Reid Intl

10:05 am - 4:21 pmLAX Los Angeles-ONT Ontario

6h 16m1 stop Las Vegas Harry Reid Intl

$158Frontier

Thu, Nov 12 - Tue, Nov 17

6:15 am - 11:04 pmONT Ontario-LAX Los Angeles

16h 49m2 stops Denver Intl Seattle/Tacoma Intl

9:15 am - 4:30 pmLAX Los Angeles-ONT Ontario

7h 15m1 stop Las Vegas Harry Reid Intl

$172Frontier

Tue, Oct 6 - Tue, Oct 13

2:30 pm - 8:14 pmONT Ontario-LAX Los Angeles

5h 44m1 stop Las Vegas Harry Reid Intl

8:25 pm - 4:59 pmLAX Los Angeles-ONT Ontario

20h 34m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$177Frontier

Sat, Oct 3 - Tue, Oct 6

8:00 am - 5:45 pmONT Ontario-LAX Los Angeles

9h 45m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

9:15 am - 4:30 pmLAX Los Angeles-ONT Ontario

7h 15m1 stop Las Vegas Harry Reid Intl

$178Frontier

Thu, Oct 1 - Wed, Oct 14

1:38 pm - 5:41 pmONT Ontario-LAX Los Angeles

4h 03m1 stop Las Vegas Harry Reid Intl

10:38 pm - 10:31 amLAX Los Angeles-ONT Ontario

35h 53m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$181Frontier

Thu, Oct 8 - Mon, Oct 12

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Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Oct 3

ONT2:30 pmOntario

5h 44m

1 stop

LAX8:14 pmLos Angeles

Oct 6

LAX11:30 amLos Angeles

5h 29m

1 stop

ONT4:59 pmOntario

$134

Frontier

Oct 6

ONT10:04 amOntario

6h 19m

1 stop

LAX4:23 pmLos Angeles

Oct 13

LAX5:15 pmLos Angeles

17h 16m

1 stop

ONT10:31 amOntario

$139

Frontier

Oct 1

ONT2:30 pmOntario

4h 14m

1 stop

LAX6:44 pmLos Angeles

Oct 14

LAX9:15 amLos Angeles

7h 15m

1 stop

ONT4:30 pmOntario

$140

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 10/3

2:30 pm-8:14 pm

1 stop5h 44m

Los Angeles

Tue 10/6

11:30 am-4:59 pm

1 stop5h 29m

$134

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 10/6

10:04 am-4:23 pm

1 stop6h 19m

Los Angeles

Tue 10/13

5:15 pm-10:31 am

1 stop17h 16m

$139

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

2:30 pm-6:44 pm

1 stop4h 14m

Los Angeles

Wed 10/14

9:15 am-4:30 pm

1 stop7h 15m

$140

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/8

1:38 pm-5:41 pm

1 stop4h 03m

Los Angeles

Thu 10/15

8:22 am-7:40 pm

1 stop11h 18m

$142

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/8

1:38 pm-5:41 pm

1 stop4h 03m

Los Angeles

Mon 10/12

9:57 pm-10:31 am

1 stop12h 34m

$144

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/12

8:35 pm-7:48 am

1 stop11h 13m

Los Angeles

Tue 11/17

10:05 am-4:21 pm

1 stop6h 16m

$158

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 10/6

6:15 am-11:04 pm

2 stops16h 49m

Los Angeles

Tue 10/13

9:15 am-4:30 pm

1 stop7h 15m

$172

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 10/3

2:30 pm-8:14 pm

1 stop5h 44m

Los Angeles

Tue 10/6

8:25 pm-4:59 pm

2 stops20h 34m

$177

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

8:00 am-5:45 pm

2 stops9h 45m

Los Angeles

Wed 10/14

9:15 am-4:30 pm

1 stop7h 15m

$178

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/8

1:38 pm-5:41 pm

1 stop4h 03m

Los Angeles

Mon 10/12

10:38 pm-10:31 am

2 stops35h 53m

$181

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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 22% 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

Best Price Found	$71
Fastest flight time	4h 42m
Direct flights	None

The best one-way flight to Los Angeles from Ontario in the past 72 hours is $71. The best round-trip flight deal from Ontario to Los Angeles found on momondo in the last 72 hours is $134.

The fastest flight from Ontario to Los Angeles takes 4h 42m

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

Search flight deals

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. 4h 42m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Los Angeles Airport?
Prices for flights from Ontario Airport to Los Angeles Airport are updated daily.
How old do you have to be to fly from Ontario Airport to 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 Airport.
What documentation or ID do you need to fly to Los Angeles Airport?
The necessary travel and health documents for your 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.

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Temecula

Riverside

Oceanside

Inglewood

San Clemente

Big Bear

Newport Beach

Pasadena

Malibu

Orange

Ventura

Huntington Beach

Buena Park

West Hollywood

Irvine

Rancho Cucamonga

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 $71

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 10/9. 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

Our best Frontier deals on Ontario to Los Angeles flight tickets

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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

Best Price Found

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.

Find better results for your trip to the United States

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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