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.

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 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?

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.

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.

$61 Cheap Flights from Ontario to Los Angeles in 2026

Find the cheapest flights from Ontario to Los Angeles

Round-trip

One-way

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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, Sep 17 - Mon, Sep 21

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

$106Frontier

Thu, Sep 17 - Mon, Sep 21

12:07 pm - 1:43 pmONT Ontario-LAX Los Angeles

25h 36m1 stop San Francisco

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

10h 52m1 stop San Francisco

$112Frontier

Thu, Sep 24 - Thu, Oct 1

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

$124Frontier

Thu, Sep 17 - Mon, Sep 21

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

12h 25m1 stop Denver Intl

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

24h 37m1 stop San Francisco

$127Frontier

Tue, Sep 22 - Wed, Oct 21

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

10h 15m1 stop San Francisco

7:44 pm - 4:59 pmLAX Los Angeles-ONT Ontario

21h 15m2 stops San Francisco Las Vegas Harry Reid Intl

$138Frontier

Thu, Sep 17 - Mon, Sep 21

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

10h 15m1 stop San Francisco

7:44 pm - 4:59 pmLAX Los Angeles-ONT Ontario

21h 15m2 stops San Francisco Las Vegas Harry Reid Intl

$139Frontier

Thu, Sep 17 - Mon, Sep 21

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

10h 15m1 stop San Francisco

7:44 pm - 4:59 pmLAX Los Angeles-ONT Ontario

21h 15m2 stops San Francisco Las Vegas Harry Reid Intl

$140Frontier

Thu, Sep 17 - Mon, Sep 21

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

12h 25m1 stop Denver Intl

6:05 am - 10:30 amLAX Los Angeles-ONT Ontario

28h 25m1 stop Denver Intl

$141Frontier

Wed, Sep 16 - Tue, Sep 29

6:15 am - 12:10 amONT Ontario-LAX Los Angeles

17h 55m1 stop Denver Intl

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

24h 37m1 stop San Francisco

$142Frontier

Mon, Sep 21 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

3:13 pm - 9:54 pmONT Ontario-LAX Los Angeles

6h 41m1 stop San Francisco

7:13 pm - 11:02 amLAX Los Angeles-ONT Ontario

15h 49m1 stop San Francisco

$340Frontier

Tue, Sep 1 - Thu, Sep 3

3:13 pm - 9:54 pmONT Ontario-LAX Los Angeles

6h 41m1 stop San Francisco

12:45 pm - 7:36 pmLAX Los Angeles-ONT Ontario

30h 51m2 stops Phoenix Sky Harbor Intl San Francisco

$367Frontier

Wed, Sep 2 - Wed, Sep 9

3:13 pm - 9:54 pmONT Ontario-LAX Los Angeles

6h 41m1 stop San Francisco

3:09 pm - 1:45 pmLAX Los Angeles-ONT Ontario

22h 36m1 stop Seattle/Tacoma Intl

$375Frontier

Wed, Sep 2 - Wed, Sep 9

3:13 pm - 9:54 pmONT Ontario-LAX Los Angeles

6h 41m1 stop San Francisco

4:15 pm - 8:03 amLAX Los Angeles-ONT Ontario

15h 48m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$416Frontier

Tue, Sep 1 - Thu, Sep 3

9:37 am - 5:30 pmONT Ontario-LAX Los Angeles

7h 53m1 stop Dallas/Fort Worth

3:04 pm - 2:45 pmLAX Los Angeles-ONT Ontario

23h 41m1 stop Seattle/Tacoma Intl

$436Frontier

Sat, Aug 29 - Sat, Sep 5

11:50 am - 12:11 amONT Ontario-LAX Los Angeles

12h 21m2 stops Las Vegas Harry Reid Intl Denver Intl

3:04 pm - 2:45 pmLAX Los Angeles-ONT Ontario

23h 41m1 stop Seattle/Tacoma Intl

$450Frontier

Sat, Aug 29 - Sat, Sep 5

8:48 am - 9:54 pmONT Ontario-LAX Los Angeles

13h 06m1 stop San Francisco

10:27 pm - 2:27 pmLAX Los Angeles-ONT Ontario

40h 00m2 stops Las Vegas Harry Reid Intl San Francisco

$517Frontier

Sat, Aug 29 - Sun, Aug 30

10:49 am - 12:04 amONT Ontario-LAX Los Angeles

37h 15m2 stops Denver Intl Chicago O'Hare Intl

7:13 pm - 11:02 amLAX Los Angeles-ONT Ontario

15h 49m1 stop San Francisco

$555Frontier

Sun, Aug 30 - Thu, Sep 3

3:40 pm - 9:29 amONT Ontario-LAX Los Angeles

17h 49m1 stop Las Vegas Harry Reid Intl

7:13 pm - 11:02 amLAX Los Angeles-ONT Ontario

15h 49m1 stop San Francisco

$597Frontier

Sun, Aug 30 - Thu, Sep 3

8:48 am - 9:54 pmONT Ontario-LAX Los Angeles

13h 06m1 stop San Francisco

10:27 pm - 2:27 pmLAX Los Angeles-ONT Ontario

40h 00m2 stops Las Vegas Harry Reid Intl San Francisco

$620Frontier

Sat, Aug 29 - Sun, Aug 30

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Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Sep 17

ONT12:07 pmOntario

10h 15m

1 stop

LAX10:22 pmLos Angeles

Sep 21

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

$105

Frontier

Sep 17

ONT12:07 pmOntario

10h 15m

1 stop

LAX10:22 pmLos Angeles

Sep 21

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

$106

Frontier

Sep 24

ONT12:07 pmOntario

25h 36m

1 stop

LAX1:43 pmLos Angeles

Oct 1

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

$112

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

8:44 am-7:36 pm

1 stop10h 52m

$105

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

8:44 am-7:36 pm

1 stop10h 52m

$106

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/24

12:07 pm-1:43 pm

1 stop25h 36m

Los Angeles

Thu 10/1

8:44 am-7:36 pm

1 stop10h 52m

$112

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

8:44 am-7:36 pm

1 stop10h 52m

$124

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 9/22

11:45 am-12:10 am

1 stop12h 25m

Los Angeles

Wed 10/21

7:03 pm-7:40 pm

1 stop24h 37m

$127

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

7:44 pm-4:59 pm

2 stops21h 15m

$138

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

7:44 pm-4:59 pm

2 stops21h 15m

$139

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 9/17

12:07 pm-10:22 pm

1 stop10h 15m

Los Angeles

Mon 9/21

7:44 pm-4:59 pm

2 stops21h 15m

$140

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Wed 9/16

11:45 am-12:10 am

1 stop12h 25m

Los Angeles

Tue 9/29

6:05 am-10:30 am

1 stop28h 25m

$141

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Mon 9/21

6:15 am-12:10 am

1 stop17h 55m

Los Angeles

Wed 10/21

7:03 pm-7:40 pm

1 stop24h 37m

$142

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 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	$61
Fastest flight time	6h 34m
Direct flights	None

The best one-way flight to Los Angeles from Ontario in the past 72 hours is $61. 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 6h 34m

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. 6h 34m 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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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 $61

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 9/24. 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

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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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