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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

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 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 87 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.

$66 Cheap Flights from Los Angeles to Ontario in 2026

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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.

9:12 am - 1:52 pm

LAX

ONT

4h 40m

1 stop

8:40 am - 9:15 pm

ONT

LAX

12h 35m

1 stop

$116Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

6:20 am - 9:34 pm

LAX

ONT

15h 14m

1 stop

8:40 am - 8:32 pm

ONT

LAX

11h 52m

1 stop

$118Frontier

Wed, Feb 25 - Wed, Mar 4

9:12 am - 1:11 pm

LAX

ONT

3h 59m

1 stop

3:28 pm - 8:15 am

ONT

LAX

16h 47m

1 stop

$129Multiple Airlines

Sat, Feb 28 - Mon, Mar 2

10:59 pm - 1:11 pm

LAX

ONT

14h 12m

1 stop

10:18 pm - 8:15 am

ONT

LAX

9h 57m

1 stop

$132Multiple Airlines

Fri, Feb 20 - Sun, Feb 22

9:17 am - 7:53 pm

LAX

ONT

10h 36m

1 stop

8:05 pm - 8:22 am

ONT

LAX

12h 17m

1 stop

$140Multiple Airlines

Thu, Feb 5 - Mon, Feb 9

9:12 am - 1:26 pm

LAX

ONT

4h 14m

1 stop

10:14 pm - 8:15 am

ONT

LAX

10h 01m

1 stop

$147Multiple Airlines

Fri, Feb 27 - Sun, Mar 1

4:40 pm - 9:34 pm

LAX

ONT

28h 54m

2 stops

2:06 pm - 8:15 am

ONT

LAX

18h 09m

1 stop

$148Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

3:22 pm - 7:59 am

LAX

ONT

16h 37m

2 stops

6:43 pm - 8:15 am

ONT

LAX

13h 32m

1 stop

$153Multiple Airlines

Sat, Feb 28 - Mon, Mar 2

4:07 pm - 1:11 pm

LAX

ONT

21h 04m

1 stop

8:09 pm - 8:15 am

ONT

LAX

12h 06m

1 stop

$159Multiple Airlines

Wed, Feb 11 - Sat, Feb 14

10:59 pm - 1:11 pm

LAX

ONT

14h 12m

1 stop

6:15 am - 12:16 am

ONT

LAX

18h 01m

1 stop

$161Frontier

Fri, Feb 27 - Fri, Mar 6

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Feb 25

LAX6:20 amLos Angeles

15h 14m

1 stop

ONT9:34 pmOntario

Mar 4

ONT8:40 amOntario

11h 52m

1 stop

LAX8:32 pmLos Angeles

$118

Frontier

Feb 27

LAX10:59 pmLos Angeles

14h 12m

1 stop

ONT1:11 pmOntario

Mar 6

ONT6:15 amOntario

18h 01m

1 stop

LAX12:16 amLos Angeles

$161

Frontier

Feb 25

LAX6:33 pmLos Angeles

15h 01m

2 stops

ONT9:34 amOntario

Mar 4

ONT8:40 amOntario

11h 52m

1 stop

LAX8:32 pmLos Angeles

$166

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 2/24

9:12 am-1:52 pm

1 stop4h 40m

Ontario

Tue 3/3

8:40 am-9:15 pm

1 stop12h 35m

$116

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 2/25

6:20 am-9:34 pm

1 stop15h 14m

Ontario

Wed 3/4

8:40 am-8:32 pm

1 stop11h 52m

$118

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 2/28

9:12 am-1:11 pm

1 stop3h 59m

Ontario

Mon 3/2

3:28 pm-8:15 am

1 stop16h 47m

$129

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 2/20

10:59 pm-1:11 pm

1 stop14h 12m

Ontario

Sun 2/22

10:18 pm-8:15 am

1 stop9h 57m

$132

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 2/5

9:17 am-7:53 pm

1 stop10h 36m

Ontario

Mon 2/9

8:05 pm-8:22 am

1 stop12h 17m

$140

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 2/27

9:12 am-1:26 pm

1 stop4h 14m

Ontario

Sun 3/1

10:14 pm-8:15 am

1 stop10h 01m

$147

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 2/24

4:40 pm-9:34 pm

2 stops28h 54m

Ontario

Tue 3/3

2:06 pm-8:15 am

1 stop18h 09m

$148

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 2/28

3:22 pm-7:59 am

2 stops16h 37m

Ontario

Mon 3/2

6:43 pm-8:15 am

1 stop13h 32m

$153

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 2/11

4:07 pm-1:11 pm

1 stop21h 04m

Ontario

Sat 2/14

8:09 pm-8:15 am

1 stop12h 06m

$159

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 2/27

10:59 pm-1:11 pm

1 stop14h 12m

Ontario

Fri 3/6

6:15 am-12:16 am

1 stop18h 01m

$161

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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 14m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 4h 14m

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 14m 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 Dallasfrom $54

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Cheap flights from Los Angeles to Los Angeles from $66

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 2/19. 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

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 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 87 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. 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, Delta have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

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