How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 23% 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 64 minutes.

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.

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.

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.

$78 Cheap Flights from Los Angeles to Ontario in 2026

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6:22 pm - 12:48 pm

LAX

ONT

18h 26m

1 stop

8:36 pm - 5:07 pm

ONT

LAX

20h 31m

1 stop

$157Frontier

Mon, Jun 15 - Tue, Jun 23

6:30 am - 3:14 pm

LAX

ONT

8h 44m

1 stop

1:38 pm - 9:25 am

ONT

LAX

19h 47m

1 stop

$169Frontier

Tue, Jul 28 - Tue, Aug 4

12:14 pm - 7:51 pm

LAX

ONT

7h 37m

1 stop

1:33 pm - 7:00 pm

ONT

LAX

5h 27m

1 stop

$182Frontier

Wed, Jun 17 - Wed, Jun 24

7:55 pm - 3:08 pm

LAX

ONT

19h 13m

1 stop

3:40 pm - 1:01 pm

ONT

LAX

21h 21m

2 stops

$205Frontier

Tue, Jun 30 - Wed, Jul 15

2:00 pm - 3:08 pm

LAX

ONT

25h 08m

2 stops

1:33 pm - 7:00 pm

ONT

LAX

5h 27m

1 stop

$209Frontier

Tue, Jun 16 - Tue, Jun 23

6:30 am - 3:14 pm

LAX

ONT

8h 44m

1 stop

8:58 am - 9:48 pm

ONT

LAX

12h 50m

1 stop

$233Frontier

Wed, Jul 22 - Sat, Jul 25

12:14 pm - 7:51 pm

LAX

ONT

7h 37m

1 stop

3:34 pm - 9:25 am

ONT

LAX

17h 51m

1 stop

$236Frontier

Wed, Jun 17 - Mon, Jun 22

8:15 pm - 3:09 pm

LAX

ONT

18h 54m

1 stop

8:33 pm - 10:08 pm

ONT

LAX

25h 35m

1 stop

$241Frontier

Fri, Aug 28 - Tue, Sep 1

12:14 pm - 7:51 pm

LAX

ONT

7h 37m

1 stop

3:34 pm - 9:25 am

ONT

LAX

17h 51m

1 stop

$242Frontier

Wed, Jun 17 - Mon, Jun 22

6:02 pm - 3:08 pm

LAX

ONT

21h 06m

2 stops

1:33 pm - 7:00 pm

ONT

LAX

5h 27m

1 stop

$244Frontier

Wed, Jun 17 - Wed, Jun 24

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Jun 15

LAX6:22 pmLos Angeles

18h 26m

1 stop

ONT12:48 pmOntario

Jun 23

ONT8:36 pmOntario

20h 31m

1 stop

LAX5:07 pmLos Angeles

$157

Frontier

Jul 28

LAX6:30 amLos Angeles

8h 44m

1 stop

ONT3:14 pmOntario

Aug 4

ONT1:38 pmOntario

19h 47m

1 stop

LAX9:25 amLos Angeles

$169

Frontier

Jun 17

LAX12:14 pmLos Angeles

7h 37m

1 stop

ONT7:51 pmOntario

Jun 24

ONT1:33 pmOntario

5h 27m

1 stop

LAX7:00 pmLos Angeles

$182

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 6/15

6:22 pm-12:48 pm

1 stop18h 26m

Ontario

Tue 6/23

8:36 pm-5:07 pm

1 stop20h 31m

$157

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 7/28

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Tue 8/4

1:38 pm-9:25 am

1 stop19h 47m

$169

Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/17

12:14 pm-7:51 pm

1 stop7h 37m

Ontario

Wed 6/24

1:33 pm-7:00 pm

1 stop5h 27m

$182

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 6/30

7:55 pm-3:08 pm

1 stop19h 13m

Ontario

Wed 7/15

3:40 pm-1:01 pm

2 stops21h 21m

$205

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 6/16

2:00 pm-3:08 pm

2 stops25h 08m

Ontario

Tue 6/23

1:33 pm-7:00 pm

1 stop5h 27m

$209

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 7/22

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Sat 7/25

8:58 am-9:48 pm

1 stop12h 50m

$233

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/17

12:14 pm-7:51 pm

1 stop7h 37m

Ontario

Mon 6/22

3:34 pm-9:25 am

1 stop17h 51m

$236

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 8/28

8:15 pm-3:09 pm

1 stop18h 54m

Ontario

Tue 9/1

8:33 pm-10:08 pm

1 stop25h 35m

$241

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/17

12:14 pm-7:51 pm

1 stop7h 37m

Ontario

Mon 6/22

3:34 pm-9:25 am

1 stop17h 51m

$242

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/17

6:02 pm-3:08 pm

2 stops21h 06m

Ontario

Wed 6/24

1:33 pm-7:00 pm

1 stop5h 27m

$244

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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	7h 37m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 7h 37m

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. 7h 37m 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 $78

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 6/10. 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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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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