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

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

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 35% of their flights experiencing any sort of delay.

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

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

How often are flights from Ontario to Los Angeles delayed?

Historically, on average around 33% 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 79 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.

$105 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.

12:07 pm - 10:22 pmONT Ontario-LAX Los Angeles

10h 15m1 stop San Francisco

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$105Frontier

Thu, Oct 1 - Mon, Oct 5

8:35 pm - 7:49 amONT Ontario-LAX Los Angeles

11h 14m1 stop Las Vegas Harry Reid Intl

7:03 pm - 7:40 pmLAX Los Angeles-ONT Ontario

24h 37m1 stop San Francisco

$116Frontier

Mon, Oct 12 - Wed, Oct 14

6:15 am - 2:39 pmONT Ontario-LAX Los Angeles

8h 24m1 stop Denver Intl

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$123Frontier

Thu, Oct 1 - Mon, Oct 5

6:15 am - 2:39 pmONT Ontario-LAX Los Angeles

8h 24m1 stop Denver Intl

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$124Frontier

Thu, Oct 1 - Mon, Oct 5

6:15 am - 2:39 pmONT Ontario-LAX Los Angeles

8h 24m1 stop Denver Intl

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

11h 18m1 stop San Francisco

$139Frontier

Thu, Oct 1 - Thu, Oct 8

11:45 am - 12:10 amONT Ontario-LAX Los Angeles

12h 25m1 stop Denver Intl

6:05 am - 11:47 pmLAX Los Angeles-ONT Ontario

17h 42m1 stop Denver Intl

$140Frontier

Wed, Sep 30 - Wed, Oct 7

12:07 pm - 7:47 amONT Ontario-LAX Los Angeles

19h 40m2 stops San Francisco Las Vegas Harry Reid Intl

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$144Frontier

Thu, Oct 1 - Mon, Oct 5

12:07 pm - 7:47 amONT Ontario-LAX Los Angeles

19h 40m2 stops San Francisco Las Vegas Harry Reid Intl

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$146Frontier

Thu, Oct 1 - Mon, Oct 5

8:24 pm - 7:47 amONT Ontario-LAX Los Angeles

11h 23m1 stop Las Vegas Harry Reid Intl

9:57 pm - 9:09 amLAX Los Angeles-ONT Ontario

11h 12m1 stop Las Vegas Harry Reid Intl

$149Frontier

Fri, Oct 2 - Fri, Oct 9

2:30 pm - 10:37 amONT Ontario-LAX Los Angeles

20h 07m2 stops Las Vegas Harry Reid Intl San Francisco

2:01 pm - 11:47 pmLAX Los Angeles-ONT Ontario

9h 46m1 stop Denver Intl

$158Frontier

Wed, Sep 30 - Wed, Oct 7

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Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Oct 1

ONT12:07 pmOntario

10h 15m

1 stop

LAX10:22 pmLos Angeles

Oct 5

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

$105

Frontier

Oct 12

ONT8:35 pmOntario

11h 14m

1 stop

LAX7:49 amLos Angeles

Oct 14

LAX7:03 pmLos Angeles

24h 37m

1 stop

ONT7:40 pmOntario

$116

Frontier

Oct 1

ONT6:15 amOntario

8h 24m

1 stop

LAX2:39 pmLos Angeles

Oct 5

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

$123

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 10/5

8:44 am-7:36 pm

1 stop10h 52m

$105

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Mon 10/12

8:35 pm-7:49 am

1 stop11h 14m

Los Angeles

Wed 10/14

7:03 pm-7:40 pm

1 stop24h 37m

$116

Quickest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

6:15 am-2:39 pm

1 stop8h 24m

Los Angeles

Mon 10/5

8:44 am-7:36 pm

1 stop10h 52m

$123

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

6:15 am-2:39 pm

1 stop8h 24m

Los Angeles

Mon 10/5

8:44 am-7:36 pm

1 stop10h 52m

$124

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

6:15 am-2:39 pm

1 stop8h 24m

Los Angeles

Thu 10/8

8:22 am-7:40 pm

1 stop11h 18m

$139

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Wed 9/30

11:45 am-12:10 am

1 stop12h 25m

Los Angeles

Wed 10/7

6:05 am-11:47 pm

1 stop17h 42m

$140

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

12:07 pm-7:47 am

2 stops19h 40m

Los Angeles

Mon 10/5

8:44 am-7:36 pm

1 stop10h 52m

$144

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/1

12:07 pm-7:47 am

2 stops19h 40m

Los Angeles

Mon 10/5

8:44 am-7:36 pm

1 stop10h 52m

$146

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Fri 10/2

8:24 pm-7:47 am

1 stop11h 23m

Los Angeles

Fri 10/9

9:57 pm-9:09 am

1 stop11h 12m

$149

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Wed 9/30

2:30 pm-10:37 am

2 stops20h 07m

Los Angeles

Wed 10/7

2:01 pm-11:47 pm

1 stop9h 46m

$158

Flights are sorted by cheapest round-trip flights first.

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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	$131
Fastest flight time	4h 14m
Direct flights	None

The best one-way flight to Los Angeles from Ontario in the past 72 hours is $131. The best round-trip flight deal from Ontario to Los Angeles found on momondo in the last 72 hours is $105.

The fastest flight from Ontario to Los Angeles takes 4h 14m

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 by plane?
There are 38.0 mi between Ontario and Los Angeles. 4h 14m 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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Inglewood

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Huntington Beach

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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 $105

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Los Angeles departing on 10/1. 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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