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 17% 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 25% 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.

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 2026

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Find the cheapest flights from Los Angeles to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:17 am - 1:37 pm

LAX

ONT

4h 20m1 stop

3:22 pm - 8:22 am

ONT

LAX

17h 00m1 stop

$123Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

9:17 am - 1:34 pm

LAX

ONT

4h 17m1 stop

8:05 pm - 8:22 am

ONT

LAX

12h 17m1 stop

$125Multiple Airlines

Sat, Feb 7 - Mon, Feb 9

9:17 am - 2:41 pm

LAX

ONT

5h 24m1 stop

8:05 pm - 8:22 am

ONT

LAX

12h 17m1 stop

$126Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

2:46 pm - 7:53 pm

LAX

ONT

5h 07m1 stop

8:05 pm - 3:12 pm

ONT

LAX

19h 07m1 stop

$127Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

4:07 pm - 10:09 am

LAX

ONT

18h 02m1 stop

8:10 am - 9:15 pm

ONT

LAX

13h 05m1 stop

$128Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

9:17 am - 1:34 pm

LAX

ONT

4h 17m1 stop

2:48 pm - 8:22 am

ONT

LAX

17h 34m1 stop

$129Multiple Airlines

Sat, Jan 31 - Sun, Feb 1

2:39 pm - 11:24 pm

LAX

ONT

8h 45m1 stop

7:17 pm - 7:21 am

ONT

LAX

12h 04m1 stop

$130Frontier

Sat, Feb 7 - Wed, Feb 18

2:46 pm - 7:53 pm

LAX

ONT

5h 07m1 stop

8:27 pm - 8:22 am

ONT

LAX

11h 55m1 stop

$131Multiple Airlines

Thu, Jan 29 - Sun, Feb 1

9:17 am - 6:40 pm

LAX

ONT

9h 23m1 stop

5:21 pm - 8:22 am

ONT

LAX

15h 01m1 stop

$133Multiple Airlines

Sat, Jan 31 - Sun, Feb 1

9:17 am - 1:34 pm

LAX

ONT

4h 17m1 stop

8:27 pm - 8:22 am

ONT

LAX

11h 55m1 stop

$134Multiple Airlines

Sat, Jan 31 - Sun, Feb 1

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Feb 7

LAX2:39 pmLos Angeles

8h 45m

1 stop

ONT11:24 pmOntario

Feb 18

ONT7:17 pmOntario

12h 04m

1 stop

LAX7:21 amLos Angeles

$130

Find similar

Frontier

Jan 17

LAX3:58 pmLos Angeles

21h 50m

1 stop

ONT1:48 pmOntario

Jan 29

ONT11:04 amOntario

5h 14m

1 stop

LAX4:18 pmLos Angeles

$147

Find similar

Frontier

Jan 17

LAX3:58 pmLos Angeles

21h 50m

1 stop

ONT1:48 pmOntario

Jan 31

ONT7:15 amOntario

6h 29m

1 stop

LAX1:44 pmLos Angeles

$151

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 2/3

9:17 am-1:37 pm

1 stop4h 20m

Ontario

Tue 2/10

3:22 pm-8:22 am

1 stop17h 00m

$123

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 2/7

9:17 am-1:34 pm

1 stop4h 17m

Ontario

Mon 2/9

8:05 pm-8:22 am

1 stop12h 17m

$125

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 2/2

9:17 am-2:41 pm

1 stop5h 24m

Ontario

Mon 2/9

8:05 pm-8:22 am

1 stop12h 17m

$126

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 1/29

2:46 pm-7:53 pm

1 stop5h 07m

Ontario

Mon 2/2

8:05 pm-3:12 pm

1 stop19h 07m

$127

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 2/4

4:07 pm-10:09 am

1 stop18h 02m

Ontario

Wed 2/11

8:10 am-9:15 pm

1 stop13h 05m

$128

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 1/31

9:17 am-1:34 pm

1 stop4h 17m

Ontario

Sun 2/1

2:48 pm-8:22 am

1 stop17h 34m

$129

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 2/7

2:39 pm-11:24 pm

1 stop8h 45m

Ontario

Wed 2/18

7:17 pm-7:21 am

1 stop12h 04m

$130

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 1/29

2:46 pm-7:53 pm

1 stop5h 07m

Ontario

Sun 2/1

8:27 pm-8:22 am

1 stop11h 55m

$131

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 1/31

9:17 am-6:40 pm

1 stop9h 23m

Ontario

Sun 2/1

5:21 pm-8:22 am

1 stop15h 01m

$133

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 1/31

9:17 am-1:34 pm

1 stop4h 17m

Ontario

Sun 2/1

8:27 pm-8:22 am

1 stop11h 55m

$134

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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	3h 59m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 3h 59m

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. 3h 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.

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 Bostonfrom $58

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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 1/29. 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 25% 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, Delta have had the least number of delays on this route over the last 12 months; with about 17% 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