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

Generally, flights departing at night 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.

How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 24% 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 84 minutes.

Which airline has the best punctuality record on Los Angeles to Ontario flights?

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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.

$67 Cheap Flights from Los Angeles to Ontario in 2025/26

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9:12 am - 4:20 pmLAX-ONT

7h 08m1 stop

2:34 pm - 7:21 pmONT-LAX

4h 47m1 stop

$128Multiple Airlines

Find Deal

Thu, Jan 8 - Mon, Jan 12

3:25 pm - 9:50 amLAX-ONT

18h 25m1 stop

7:15 am - 8:32 pmONT-LAX

13h 17m1 stop

$129Frontier

Find Deal

Tue, Jan 6 - Wed, Jan 14

9:46 pm - 7:50 pmLAX-ONT

22h 04m1 stop

7:15 am - 11:31 pmONT-LAX

16h 16m1 stop

$130Frontier

Find Deal

Fri, Jan 16 - Wed, Jan 21

9:07 pm - 12:42 pmLAX-ONT

15h 35m1 stop

1:37 pm - 8:15 amONT-LAX

18h 38m1 stop

$150Multiple Airlines

Find Deal

Mon, Feb 23 - Sat, Feb 28

9:20 pm - 9:50 amLAX-ONT

12h 30m1 stop

6:49 pm - 8:23 amONT-LAX

13h 34m2 stops

$162Multiple Airlines

Find Deal

Tue, Jan 6 - Wed, Jan 14

1:11 pm - 5:15 pmLAX-ONT

4h 04m1 stop

6:00 am - 12:16 pmONT-LAX

6h 16m1 stop

$171Frontier

Find Deal

Wed, Dec 24 - Thu, Jan 1

9:20 pm - 5:22 pmLAX-ONT

20h 02m1 stop

6:00 pm - 7:18 amONT-LAX

13h 18m1 stop

$172Multiple Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

9:20 pm - 5:15 pmLAX-ONT

19h 55m1 stop

6:00 pm - 7:18 amONT-LAX

13h 18m1 stop

$184Multiple Airlines

Find Deal

Tue, Dec 23 - Mon, Dec 29

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$186Frontier

Find Deal

Tue, Dec 2 - Tue, Dec 9

9:12 am - 5:02 pmLAX-ONT

7h 50m1 stop

8:30 am - 7:26 pmONT-LAX

10h 56m2 stops

$195Multiple Airlines

Find Deal

Mon, Feb 23 - Sat, Feb 28

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Jan 6

LAX3:25 pmLos Angeles

18h 25m

1 stop

ONT9:50 amOntario

Jan 14

ONT7:15 amOntario

13h 17m

1 stop

LAX8:32 pmLos Angeles

$129

Find similar

Frontier

Jan 16

LAX9:46 pmLos Angeles

22h 04m

1 stop

ONT7:50 pmOntario

Jan 21

ONT7:15 amOntario

16h 16m

1 stop

LAX11:31 pmLos Angeles

$130

Find similar

Frontier

Dec 24

LAX1:11 pmLos Angeles

4h 04m

1 stop

ONT5:15 pmOntario

Jan 1

ONT6:00 amOntario

6h 16m

1 stop

LAX12:16 pmLos Angeles

$171

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 1/8

9:12 am-4:20 pm

1 stop7h 08m

Ontario

Mon 1/12

2:34 pm-7:21 pm

1 stop4h 47m

$128

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 1/6

3:25 pm-9:50 am

1 stop18h 25m

Ontario

Wed 1/14

7:15 am-8:32 pm

1 stop13h 17m

$129

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 1/16

9:46 pm-7:50 pm

1 stop22h 04m

Ontario

Wed 1/21

7:15 am-11:31 pm

1 stop16h 16m

$130

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 2/23

9:07 pm-12:42 pm

1 stop15h 35m

Ontario

Sat 2/28

1:37 pm-8:15 am

1 stop18h 38m

$150

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 1/6

9:20 pm-9:50 am

1 stop12h 30m

Ontario

Wed 1/14

6:49 pm-8:23 am

2 stops13h 34m

$162

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 12/24

1:11 pm-5:15 pm

1 stop4h 04m

Ontario

Thu 1/1

6:00 am-12:16 pm

1 stop6h 16m

$171

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 12/22

9:20 pm-5:22 pm

1 stop20h 02m

Ontario

Mon 12/29

6:00 pm-7:18 am

1 stop13h 18m

$172

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 12/23

9:20 pm-5:15 pm

1 stop19h 55m

Ontario

Mon 12/29

6:00 pm-7:18 am

1 stop13h 18m

$184

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 12/2

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

Tue 12/9

6:15 am-8:05 pm

1 stop13h 50m

$186

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 2/23

9:12 am-5:02 pm

1 stop7h 50m

Ontario

Sat 2/28

8:30 am-7:26 pm

2 stops10h 56m

$195

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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 to Ontario?

Frontier is the most popular carrier operating from 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 20m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 4h 20m

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

Search flight deals

How far is Los Angeles to Ontario by plane?
The distance between Los Angeles and Ontario is about 38.0 mi. 4h 04m 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

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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Flights to Washington, D.C.from $38

Flights to Bostonfrom $59

Flights to Atlantafrom $48

Flights to Dallasfrom $54

Flights to Seattlefrom $58

Cheap flights from Los Angeles to Los Angeles from $67

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 1/26. 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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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

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

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

How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 24% 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 84 minutes.

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

Generally, flights departing at night 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.

Which airline has the best punctuality record on Los Angeles to Ontario flights?

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

When to book flights from Los Angeles to Ontario

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

Direct flights

How far is Los Angeles to Ontario by plane?

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

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

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Los Angeles to Ontario right now. Can momondo alert me if prices change?

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.

Find better results for your trip to the United States

Airports servicing California