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.

How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 26% 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 80 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.

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.

$51 Cheap Flights from Los Angeles to Ontario in 2026

Find the cheapest flights from Los Angeles to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 11:50 pm

LAX

ONT

17h 20m

1 stop

8:48 am - 9:39 pm

ONT

LAX

12h 51m

1 stop

$120Frontier

Thu, Aug 20 - Thu, Aug 27

6:30 am - 11:50 pm

LAX

ONT

17h 20m

1 stop

8:48 am - 9:39 pm

ONT

LAX

12h 51m

1 stop

$122Frontier

Thu, Aug 20 - Mon, Aug 24

7:07 pm - 10:29 am

LAX

ONT

15h 22m

1 stop

8:48 am - 9:39 pm

ONT

LAX

12h 51m

1 stop

$125Frontier

Wed, Aug 19 - Thu, Aug 27

7:07 pm - 10:29 am

LAX

ONT

15h 22m

1 stop

6:00 am - 12:11 am

ONT

LAX

18h 11m

1 stop

$130Frontier

Wed, Aug 26 - Wed, Sep 2

9:40 am - 11:50 pm

LAX

ONT

14h 10m

1 stop

7:56 pm - 8:55 am

ONT

LAX

12h 59m

1 stop

$137Frontier

Tue, Aug 25 - Tue, Sep 1

6:55 am - 4:22 pm

LAX

ONT

9h 27m

1 stop

8:48 am - 9:54 pm

ONT

LAX

13h 06m

1 stop

$139Frontier

Thu, Aug 20 - Mon, Aug 24

6:30 am - 11:50 pm

LAX

ONT

17h 20m

1 stop

6:00 am - 12:11 am

ONT

LAX

18h 11m

1 stop

$140Frontier

Thu, Aug 20 - Tue, Aug 25

9:40 am - 11:50 pm

LAX

ONT

14h 10m

1 stop

6:00 am - 12:11 am

ONT

LAX

18h 11m

1 stop

$141Frontier

Tue, Aug 25 - Tue, Sep 1

7:07 pm - 10:29 am

LAX

ONT

15h 22m

1 stop

6:00 am - 12:11 am

ONT

LAX

18h 11m

1 stop

$144Frontier

Wed, Aug 19 - Wed, Aug 26

7:07 pm - 10:29 am

LAX

ONT

15h 22m

1 stop

7:56 pm - 8:55 am

ONT

LAX

12h 59m

1 stop

$145Frontier

Wed, Aug 19 - Tue, Aug 25

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Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Aug 20

LAX6:30 amLos Angeles

17h 20m

1 stop

ONT11:50 pmOntario

Aug 27

ONT8:48 amOntario

12h 51m

1 stop

LAX9:39 pmLos Angeles

$120

Frontier

Aug 19

LAX7:07 pmLos Angeles

15h 22m

1 stop

ONT10:29 amOntario

Aug 27

ONT8:48 amOntario

12h 51m

1 stop

LAX9:39 pmLos Angeles

$125

Frontier

Aug 26

LAX7:07 pmLos Angeles

15h 22m

1 stop

ONT10:29 amOntario

Sep 2

ONT6:00 amOntario

18h 11m

1 stop

LAX12:11 amLos Angeles

$130

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 8/20

6:30 am-11:50 pm

1 stop17h 20m

Ontario

Thu 8/27

8:48 am-9:39 pm

1 stop12h 51m

$120

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 8/20

6:30 am-11:50 pm

1 stop17h 20m

Ontario

Mon 8/24

8:48 am-9:39 pm

1 stop12h 51m

$122

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/19

7:07 pm-10:29 am

1 stop15h 22m

Ontario

Thu 8/27

8:48 am-9:39 pm

1 stop12h 51m

$125

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/26

7:07 pm-10:29 am

1 stop15h 22m

Ontario

Wed 9/2

6:00 am-12:11 am

1 stop18h 11m

$130

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 8/25

9:40 am-11:50 pm

1 stop14h 10m

Ontario

Tue 9/1

7:56 pm-8:55 am

1 stop12h 59m

$137

Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 8/20

6:55 am-4:22 pm

1 stop9h 27m

Ontario

Mon 8/24

8:48 am-9:54 pm

1 stop13h 06m

$139

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 8/20

6:30 am-11:50 pm

1 stop17h 20m

Ontario

Tue 8/25

6:00 am-12:11 am

1 stop18h 11m

$140

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 8/25

9:40 am-11:50 pm

1 stop14h 10m

Ontario

Tue 9/1

6:00 am-12:11 am

1 stop18h 11m

$141

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/19

7:07 pm-10:29 am

1 stop15h 22m

Ontario

Wed 8/26

6:00 am-12:11 am

1 stop18h 11m

$144

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/19

7:07 pm-10:29 am

1 stop15h 22m

Ontario

Tue 8/25

7:56 pm-8:55 am

1 stop12h 59m

$145

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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	9h 24m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 9h 24m

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. 9h 24m 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 $51

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 9/17. 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 day of the week experiences the fewest flight delays on this route?

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

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Frequently asked questions about flying from Los Angeles to Ontario

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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