How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 20% 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 68 minutes.

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

Generally, flights departing in the early afternoon 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. Friday 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

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Find the cheapest flights from Los Angeles to Los Angeles

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Cheap round-trip flights

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6:30 am - 3:09 pm

LAX

ONT

8h 39m

1 stop

11:36 am - 9:03 am

ONT

LAX

21h 27m

1 stop

$128Multiple Airlines

週六, 5月 9 - 週一, 5月 11

6:30 am - 11:49 pm

LAX

ONT

17h 19m

1 stop

4:39 pm - 7:32 pm

ONT

LAX

26h 53m

1 stop

$136Frontier

週二, 5月 19 - 週二, 5月 26

6:30 am - 3:09 pm

LAX

ONT

8h 39m

1 stop

4:39 pm - 7:32 pm

ONT

LAX

26h 53m

1 stop

$144Multiple Airlines

週四, 5月 21 - 週二, 5月 26

3:15 pm - 2:35 pm

LAX

ONT

23h 20m

1 stop

3:30 pm - 9:25 am

ONT

LAX

17h 55m

1 stop

$158Frontier

週四, 6月 4 - 週一, 6月 8

6:30 am - 3:09 pm

LAX

ONT

8h 39m

1 stop

11:36 am - 9:10 pm

ONT

LAX

33h 34m

2 stops

$162Multiple Airlines

週四, 5月 14 - 週一, 5月 18

6:30 am - 3:09 pm

LAX

ONT

8h 39m

1 stop

11:51 am - 9:03 am

ONT

LAX

21h 12m

1 stop

$163Multiple Airlines

週四, 5月 14 - 週四, 5月 21

10:07 pm - 3:44 pm

LAX

ONT

17h 37m

1 stop

3:30 pm - 9:03 am

ONT

LAX

17h 33m

1 stop

$164Frontier

週一, 5月 18 - 週一, 5月 25

6:30 am - 3:09 pm

LAX

ONT

8h 39m

1 stop

3:34 pm - 3:07 pm

ONT

LAX

23h 33m

1 stop

$165Multiple Airlines

週五, 5月 22 - 週三, 6月 17

9:48 am - 11:49 pm

LAX

ONT

14h 01m

2 stops

4:39 pm - 7:32 pm

ONT

LAX

26h 53m

1 stop

$167Frontier

週二, 5月 19 - 週二, 5月 26

12:14 pm - 7:51 pm

LAX

ONT

7h 37m

1 stop

3:34 pm - 3:07 pm

ONT

LAX

23h 33m

1 stop

$169Frontier

週三, 6月 17 - 週三, 6月 24

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

May 19

LAX6:30 amLos Angeles

17h 19m

1 stop

ONT11:49 pmOntario

May 26

ONT4:39 pmOntario

26h 53m

1 stop

LAX7:32 pmLos Angeles

$136

Frontier

Jun 4

LAX3:15 pmLos Angeles

23h 20m

1 stop

ONT2:35 pmOntario

Jun 8

ONT3:30 pmOntario

17h 55m

1 stop

LAX9:25 amLos Angeles

$158

Frontier

May 18

LAX10:07 pmLos Angeles

17h 37m

1 stop

ONT3:44 pmOntario

May 25

ONT3:30 pmOntario

17h 33m

1 stop

LAX9:03 amLos Angeles

$164

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週六 5/9

6:30 am-3:09 pm

1 stop8h 39m

Ontario

週一 5/11

11:36 am-9:03 am

1 stop21h 27m

$128

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週二 5/19

6:30 am-11:49 pm

1 stop17h 19m

Ontario

週二 5/26

4:39 pm-7:32 pm

1 stop26h 53m

$136

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週四 5/21

6:30 am-3:09 pm

1 stop8h 39m

Ontario

週二 5/26

4:39 pm-7:32 pm

1 stop26h 53m

$144

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週四 6/4

3:15 pm-2:35 pm

1 stop23h 20m

Ontario

週一 6/8

3:30 pm-9:25 am

1 stop17h 55m

$158

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週四 5/14

6:30 am-3:09 pm

1 stop8h 39m

Ontario

週一 5/18

11:36 am-9:10 pm

2 stops33h 34m

$162

Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週四 5/14

6:30 am-3:09 pm

1 stop8h 39m

Ontario

週四 5/21

11:51 am-9:03 am

1 stop21h 12m

$163

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週一 5/18

10:07 pm-3:44 pm

1 stop17h 37m

Ontario

週一 5/25

3:30 pm-9:03 am

1 stop17h 33m

$164

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週五 5/22

6:30 am-3:09 pm

1 stop8h 39m

Ontario

週三 6/17

3:34 pm-3:07 pm

1 stop23h 33m

$165

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週二 5/19

9:48 am-11:49 pm

2 stops14h 01m

Ontario

週二 5/26

4:39 pm-7:32 pm

1 stop26h 53m

$167

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

週三 6/17

12:14 pm-7:51 pm

1 stop7h 37m

Ontario

週三 6/24

3:34 pm-3:07 pm

1 stop23h 33m

$169

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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	5h 59m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 5h 59m

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 Los Angeles to Ontario by plane?
The distance between Los Angeles Los Angeles and Ontario is about 38.0 mi. 5h 59m 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.

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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 5/26. 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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What is the most punctual flight time for Los Angeles to Ontario flights?

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

When to book flights from Los Angeles to Ontario

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

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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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