How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 28% of flights between Los Angeles and Ontario have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

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

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

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

Prices for flights from Los Angeles Airport to Ontario Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario 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.

$65 Cheap Flights from Los Angeles to Ontario in 2026

Find the cheapest flights from Los Angeles to Los Angeles

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Enter your travel dates to find the best prices.

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

10h 52m1 stop San Francisco

12:07 pm - 10:37 amONT Ontario-LAX Los Angeles

22h 30m1 stop San Francisco

$129Frontier

Fri, Sep 11 - Mon, Sep 14

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

10h 52m1 stop San Francisco

12:07 pm - 12:10 amONT Ontario-LAX Los Angeles

12h 03m2 stops San Francisco Denver Intl

$173Frontier

Fri, Sep 11 - Mon, Sep 14

6:55 am - 4:22 pmLAX Los Angeles-ONT Ontario

9h 27m1 stop Las Vegas Harry Reid Intl

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

25h 36m1 stop San Francisco

$183Frontier

Thu, Sep 3 - Thu, Sep 10

10:27 pm - 10:21 amLAX Los Angeles-ONT Ontario

11h 54m1 stop Las Vegas Harry Reid Intl

5:05 pm - 2:01 pmONT Ontario-LAX Los Angeles

20h 56m1 stop Seattle/Tacoma Intl

$184Frontier

Tue, Oct 20 - Tue, Oct 27

7:13 pm - 10:29 amLAX Los Angeles-ONT Ontario

15h 16m1 stop San Francisco

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

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

$189Frontier

Wed, Sep 2 - Wed, Sep 9

7:13 pm - 10:29 amLAX Los Angeles-ONT Ontario

15h 16m1 stop San Francisco

2:30 pm - 7:47 amONT Ontario-LAX Los Angeles

17h 17m1 stop Las Vegas Harry Reid Intl

$191Frontier

Wed, Sep 2 - Wed, Sep 9

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

22h 36m1 stop Seattle/Tacoma Intl

11:16 am - 6:09 pmONT Ontario-LAX Los Angeles

6h 53m1 stop Las Vegas Harry Reid Intl

$199Frontier

Wed, Sep 30 - Wed, Oct 14

3:15 pm - 7:59 pmLAX Los Angeles-ONT Ontario

4h 44m1 stop Las Vegas Harry Reid Intl

8:54 pm - 6:09 pmONT Ontario-LAX Los Angeles

21h 15m1 stop Las Vegas Harry Reid Intl

$205Frontier

Mon, Oct 12 - Fri, Oct 16

9:09 pm - 11:50 pmLAX Los Angeles-ONT Ontario

26h 41m1 stop Denver Intl

12:07 pm - 10:37 amONT Ontario-LAX Los Angeles

22h 30m1 stop San Francisco

$205Frontier

Fri, Sep 4 - Fri, Sep 11

10:04 pm - 9:09 amLAX Los Angeles-ONT Ontario

11h 05m1 stop Las Vegas Harry Reid Intl

12:07 pm - 10:37 amONT Ontario-LAX Los Angeles

22h 30m1 stop San Francisco

$206Frontier

Fri, Sep 18 - Mon, Sep 21

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 3:14 pmLAX Los Angeles-ONT Ontario

32h 44m2 stops Denver Intl Las Vegas Harry Reid Intl

5:44 pm - 11:04 pmONT Ontario-LAX Los Angeles

29h 20m1 stop Seattle/Tacoma Intl

$342Frontier

Tue, Aug 11 - Mon, Sep 14

7:07 pm - 12:48 pmLAX Los Angeles-ONT Ontario

17h 41m1 stop San Francisco

5:44 pm - 11:04 pmONT Ontario-LAX Los Angeles

29h 20m1 stop Seattle/Tacoma Intl

$399Frontier

Tue, Aug 11 - Mon, Sep 14

8:49 pm - 10:04 amLAX Los Angeles-ONT Ontario

13h 15m1 stop Denver Intl

4:09 pm - 9:54 pmONT Ontario-LAX Los Angeles

29h 45m2 stops Las Vegas Harry Reid Intl San Francisco

$504Frontier

Fri, Aug 14 - Mon, Aug 17

7:52 pm - 11:02 amLAX Los Angeles-ONT Ontario

15h 10m1 stop San Francisco

9:36 am - 12:11 amONT Ontario-LAX Los Angeles

14h 35m2 stops Houston George Bush Intcntl Denver Intl

$523Frontier

Fri, Aug 14 - Sun, Aug 16

2:01 pm - 11:50 pmLAX Los Angeles-ONT Ontario

9h 49m2 stops Phoenix Sky Harbor Intl Denver Intl

4:09 pm - 3:05 pmONT Ontario-LAX Los Angeles

22h 56m1 stop Las Vegas Harry Reid Intl

$530Frontier

Tue, Aug 11 - Fri, Aug 14

7:52 pm - 11:02 amLAX Los Angeles-ONT Ontario

15h 10m1 stop San Francisco

4:09 pm - 9:30 amONT Ontario-LAX Los Angeles

17h 21m1 stop Las Vegas Harry Reid Intl

$536Frontier

Fri, Aug 14 - Sun, Aug 16

8:49 pm - 10:04 amLAX Los Angeles-ONT Ontario

13h 15m1 stop Denver Intl

11:47 am - 8:14 pmONT Ontario-LAX Los Angeles

8h 27m1 stop Las Vegas Harry Reid Intl

$541Frontier

Fri, Aug 14 - Mon, Aug 17

6:30 am - 3:14 pmLAX Los Angeles-ONT Ontario

8h 44m1 stop Las Vegas Harry Reid Intl

11:47 am - 12:11 amONT Ontario-LAX Los Angeles

12h 24m2 stops Las Vegas Harry Reid Intl Denver Intl

$560Frontier

Tue, Aug 11 - Sat, Aug 15

9:05 pm - 3:54 pmLAX Los Angeles-ONT Ontario

18h 49m2 stops Denver Intl Las Vegas Harry Reid Intl

8:58 am - 9:54 pmONT Ontario-LAX Los Angeles

12h 56m1 stop San Francisco

$578Frontier

Thu, Aug 13 - Sat, Aug 15

12:07 pm - 8:03 amLAX Los Angeles-ONT Ontario

19h 56m1 stop Las Vegas Harry Reid Intl

4:09 pm - 3:05 pmONT Ontario-LAX Los Angeles

22h 56m1 stop Las Vegas Harry Reid Intl

$593Frontier

Tue, Aug 11 - Fri, Aug 14

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Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Sep 11

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

Sep 14

ONT12:07 pmOntario

22h 30m

1 stop

LAX10:37 amLos Angeles

$129

Frontier

Sep 11

LAX8:44 amLos Angeles

10h 52m

1 stop

ONT7:36 pmOntario

Sep 14

ONT12:07 pmOntario

12h 03m

2 stops

LAX12:10 amLos Angeles

$173

Frontier

Sep 3

LAX6:55 amLos Angeles

9h 27m

1 stop

ONT4:22 pmOntario

Sep 10

ONT12:07 pmOntario

25h 36m

1 stop

LAX1:43 pmLos Angeles

$183

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Fri 9/11

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 9/14

12:07 pm-10:37 am

1 stop22h 30m

$129

Quickest round-trip

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Fri 9/11

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 9/14

12:07 pm-12:10 am

2 stops12h 03m

$173

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Thu 9/3

6:55 am-4:22 pm

1 stop9h 27m

Ontario

Thu 9/10

12:07 pm-1:43 pm

1 stop25h 36m

$183

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Tue 10/20

10:27 pm-10:21 am

1 stop11h 54m

Ontario

Tue 10/27

5:05 pm-2:01 pm

1 stop20h 56m

$184

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Wed 9/2

7:13 pm-10:29 am

1 stop15h 16m

Ontario

Wed 9/9

2:30 pm-10:37 am

2 stops20h 07m

$189

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Wed 9/2

7:13 pm-10:29 am

1 stop15h 16m

Ontario

Wed 9/9

2:30 pm-7:47 am

1 stop17h 17m

$191

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Wed 9/30

3:09 pm-1:45 pm

1 stop22h 36m

Ontario

Wed 10/14

11:16 am-6:09 pm

1 stop6h 53m

$199

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Mon 10/12

3:15 pm-7:59 pm

1 stop4h 44m

Ontario

Fri 10/16

8:54 pm-6:09 pm

1 stop21h 15m

$205

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Fri 9/4

9:09 pm-11:50 pm

1 stop26h 41m

Ontario

Fri 9/11

12:07 pm-10:37 am

1 stop22h 30m

$205

Los AngelesOntario

LAX Los Angeles - ONT Ontario

LAXONT

Los Angeles

Fri 9/18

10:04 pm-9:09 am

1 stop11h 05m

Ontario

Mon 9/21

12:07 pm-10:37 am

1 stop22h 30m

$206

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How to get the cheapest flight ticket from Los Angeles 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

Airlines

Delays

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

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

When to book flights from Los Angeles to Ontario

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

Estimated round-trip price

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

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

Fastest flight time	4h 03m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 4h 03m

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

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Frequently asked questions about flying from Los Angeles to Ontario

How far is Los Angeles to Ontario by plane?
The distance between Los Angeles and Ontario is about 38.0 mi. 4h 03m is a normal flight duration for this route.
When did momondo last update prices for flights from Los Angeles Airport to Ontario Airport?
Prices for flights from Los Angeles Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Los Angeles Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Los Angeles to Ontario for you.

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

Yes. momondo allows you to filter the results for Los Angeles to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Los Angeles to Ontario?

Once all potential Los Angeles 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 Los Angeles to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Los Angeles are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

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Cheap flights from Los Angeles to Los Angeles from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Los Angeles departing on 9/14. 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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Why use momondo?

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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Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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