How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 30% 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 85 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 Los Angeles Airport to Ontario Airport?

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

How old do you have to be to fly from Los Angeles 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 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.

$53 Cheap Flights from Los Angeles to Ontario in 2026

Find the cheapest flights from Los Angeles to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

10h 52m1 stop San Francisco

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

22h 30m1 stop San Francisco

$100Frontier

Mon, Sep 21 - Mon, Sep 28

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

10h 52m1 stop San Francisco

12:01 pm - 9:01 pmONT Ontario-LAX Los Angeles Los Angeles

9h 00m1 stop San Francisco

$106Frontier

Thu, Oct 1 - Mon, Oct 26

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

10h 52m1 stop San Francisco

12:01 pm - 9:01 pmONT Ontario-LAX Los Angeles Los Angeles

9h 00m1 stop San Francisco

$107Frontier

Mon, Sep 28 - Mon, Oct 26

6:48 pm - 7:28 pmLAX Los Angeles Los Angeles-ONT Ontario

24h 40m1 stop San Jose

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles Los Angeles

10h 27m1 stop San Francisco

$112Frontier

Thu, Nov 5 - Mon, Nov 9

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

10h 52m1 stop San Francisco

12:01 pm - 9:01 pmONT Ontario-LAX Los Angeles Los Angeles

9h 00m1 stop San Francisco

$119Frontier

Fri, Oct 2 - Mon, Oct 26

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

10h 52m1 stop San Francisco

11:52 am - 12:23 amONT Ontario-LAX Los Angeles Los Angeles

12h 31m1 stop Denver Intl

$124Frontier

Thu, Oct 1 - Wed, Oct 28

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

10h 52m1 stop San Francisco

11:52 am - 12:23 amONT Ontario-LAX Los Angeles Los Angeles

12h 31m1 stop Denver Intl

$125Frontier

Mon, Sep 28 - Wed, Oct 28

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

10h 52m1 stop San Francisco

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

22h 30m1 stop San Francisco

$126Frontier

Thu, Oct 1 - Mon, Oct 5

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

10h 52m1 stop San Francisco

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles Los Angeles

10h 27m1 stop San Francisco

$129Frontier

Thu, Oct 1 - Thu, Oct 29

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

10h 52m1 stop San Francisco

10:35 am - 4:16 pmONT Ontario-LAX Los Angeles Los Angeles

5h 41m1 stop Las Vegas Harry Reid Intl

$130Frontier

Mon, Sep 28 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

9:09 pm - 2:45 pmLAX Los Angeles Los Angeles-ONT Ontario

17h 36m2 stops Denver Intl Seattle/Tacoma Intl

7:56 pm - 2:14 pmONT Ontario-LAX Los Angeles Los Angeles

18h 18m1 stop Denver Intl

$526Frontier

Thu, Aug 27 - Tue, Sep 8

9:09 pm - 2:45 pmLAX Los Angeles Los Angeles-ONT Ontario

17h 36m2 stops Denver Intl Seattle/Tacoma Intl

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

13h 06m1 stop San Francisco

$529Frontier

Fri, Aug 28 - Sun, Aug 30

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

23h 41m1 stop Seattle/Tacoma Intl

7:56 pm - 2:14 pmONT Ontario-LAX Los Angeles Los Angeles

18h 18m1 stop Denver Intl

$552Frontier

Thu, Aug 27 - Tue, Sep 8

7:07 pm - 11:02 amLAX Los Angeles Los Angeles-ONT Ontario

15h 55m1 stop San Francisco

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

13h 06m1 stop San Francisco

$562Frontier

Fri, Aug 28 - Sun, Aug 30

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

9h 27m1 stop Las Vegas Harry Reid Intl

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

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

$619Frontier

Fri, Aug 28 - Sun, Aug 30

7:07 pm - 11:02 amLAX Los Angeles Los Angeles-ONT Ontario

15h 55m1 stop San Francisco

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

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

$651Frontier

Fri, Aug 28 - Sun, Aug 30

12:07 pm - 4:22 pmLAX Los Angeles Los Angeles-ONT Ontario

4h 15m1 stop Las Vegas Harry Reid Intl

10:17 pm - 9:54 pmONT Ontario-LAX Los Angeles Los Angeles

23h 37m2 stops Las Vegas Harry Reid Intl Oakland

$657Frontier

Mon, Aug 31 - Mon, Aug 31

7:07 pm - 11:02 amLAX Los Angeles Los Angeles-ONT Ontario

15h 55m1 stop San Francisco

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

17h 49m1 stop Las Vegas Harry Reid Intl

$674Frontier

Fri, Aug 28 - Sun, Aug 30

12:07 pm - 4:22 pmLAX Los Angeles Los Angeles-ONT Ontario

4h 15m1 stop Las Vegas Harry Reid Intl

10:17 pm - 9:29 amONT Ontario-LAX Los Angeles Los Angeles

11h 12m1 stop Las Vegas Harry Reid Intl

$722Frontier

Mon, Aug 31 - Mon, Aug 31

7:07 pm - 11:02 amLAX Los Angeles Los Angeles-ONT Ontario

15h 55m1 stop San Francisco

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

17h 49m1 stop Las Vegas Harry Reid Intl

$754Frontier

Fri, Aug 28 - Sun, Aug 30

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Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Sep 21

LAX8:44 amLos Angeles Los Angeles

10h 52m

1 stop

ONT7:36 pmOntario

Sep 28

ONT12:07 pmOntario

22h 30m

1 stop

LAX10:37 amLos Angeles Los Angeles

$100

Frontier

Oct 1

LAX8:44 amLos Angeles Los Angeles

10h 52m

1 stop

ONT7:36 pmOntario

Oct 26

ONT12:01 pmOntario

9h 00m

1 stop

LAX9:01 pmLos Angeles Los Angeles

$106

Frontier

Sep 28

LAX8:44 amLos Angeles Los Angeles

10h 52m

1 stop

ONT7:36 pmOntario

Oct 26

ONT12:01 pmOntario

9h 00m

1 stop

LAX9:01 pmLos Angeles Los Angeles

$107

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Mon 9/21

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 9/28

12:07 pm-10:37 am

1 stop22h 30m

$100

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Thu 10/1

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 10/26

12:01 pm-9:01 pm

1 stop9h 00m

$106

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Mon 9/28

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 10/26

12:01 pm-9:01 pm

1 stop9h 00m

$107

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Thu 11/5

6:48 pm-7:28 pm

1 stop24h 40m

Ontario

Mon 11/9

12:01 pm-10:28 pm

1 stop10h 27m

$112

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Fri 10/2

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 10/26

12:01 pm-9:01 pm

1 stop9h 00m

$119

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Thu 10/1

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Wed 10/28

11:52 am-12:23 am

1 stop12h 31m

$124

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Mon 9/28

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Wed 10/28

11:52 am-12:23 am

1 stop12h 31m

$125

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Thu 10/1

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Mon 10/5

12:07 pm-10:37 am

1 stop22h 30m

$126

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Thu 10/1

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Thu 10/29

12:01 pm-10:28 pm

1 stop10h 27m

$129

Quickest round-trip

Los AngelesOntario

LAX Los Angeles Los Angeles - ONT Ontario

LAXONT

Los Angeles Los Angeles

Mon 9/28

8:44 am-7:36 pm

1 stop10h 52m

Ontario

Tue 10/27

10:35 am-4:16 pm

1 stop5h 41m

$130

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 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

Best Price Found	$53
Fastest flight time	6h 47m
Direct flights	None

The best one-way flight to Ontario from Los Angeles in the past 72 hours is $53. The best round-trip flight deal from Los Angeles to Ontario found on momondo in the last 72 hours is $100.

The fastest flight from Los Angeles to Ontario takes 6h 47m

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

Search flight deals

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. 6h 47m is a normal flight duration for this route.
When did momondo last update prices for flights from Los Angeles Los Angeles Airport to Ontario Airport?
Prices for flights from Los Angeles Los Angeles Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Los Angeles 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 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 $53

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 9/21. 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.

Get notified when prices go down

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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