How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 22% 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 65 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.

$63 Cheap Flights from Los Angeles to Ontario in 2026

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12:08 pm - 7:32 pm

LAX

ONT

7h 24m

1 stop

1:33 pm - 7:20 pm

ONT

LAX

5h 47m

1 stop

$126Frontier

Tue, Jun 2 - Tue, Jun 9

10:05 pm - 3:44 pm

LAX

ONT

17h 39m

2 stops

1:33 pm - 7:20 pm

ONT

LAX

5h 47m

1 stop

$142Frontier

Tue, Jun 2 - Tue, Jun 9

8:27 pm - 3:09 pm

LAX

ONT

18h 42m

1 stop

1:33 pm - 7:20 pm

ONT

LAX

5h 47m

1 stop

$144Frontier

Wed, Jun 3 - Wed, Jun 10

8:27 pm - 7:32 pm

LAX

ONT

23h 05m

1 stop

3:30 pm - 9:25 am

ONT

LAX

17h 55m

1 stop

$146Frontier

Mon, Jun 1 - Mon, Jun 8

10:05 pm - 3:09 pm

LAX

ONT

17h 04m

2 stops

1:33 pm - 7:20 pm

ONT

LAX

5h 47m

1 stop

$150Frontier

Wed, Jun 3 - Wed, Jun 10

6:30 am - 7:32 pm

LAX

ONT

13h 02m

2 stops

3:30 pm - 9:25 am

ONT

LAX

17h 55m

1 stop

$173Frontier

Sat, Jun 6 - Mon, Jun 8

12:14 pm - 7:53 pm

LAX

ONT

7h 39m

1 stop

3:40 pm - 9:24 pm

ONT

LAX

29h 44m

2 stops

$181Frontier

Wed, Aug 12 - Mon, Aug 17

12:14 pm - 7:53 pm

LAX

ONT

7h 39m

1 stop

3:40 pm - 9:25 am

ONT

LAX

17h 45m

1 stop

$182Frontier

Wed, Aug 12 - Mon, Aug 17

7:22 pm - 11:06 am

LAX

ONT

15h 44m

1 stop

11:51 am - 7:32 pm

ONT

LAX

7h 41m

1 stop

$189Frontier

Sat, May 30 - Mon, Jun 1

8:59 pm - 10:05 am

LAX

ONT

13h 06m

1 stop

3:30 pm - 1:05 pm

ONT

LAX

21h 35m

2 stops

$190Frontier

Mon, Jun 1 - Mon, Jun 8

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Jun 2

LAX12:08 pmLos Angeles

7h 24m

1 stop

ONT7:32 pmOntario

Jun 9

ONT1:33 pmOntario

5h 47m

1 stop

LAX7:20 pmLos Angeles

$126

Frontier

Jun 2

LAX10:05 pmLos Angeles

17h 39m

2 stops

ONT3:44 pmOntario

Jun 9

ONT1:33 pmOntario

5h 47m

1 stop

LAX7:20 pmLos Angeles

$142

Frontier

Jun 3

LAX8:27 pmLos Angeles

18h 42m

1 stop

ONT3:09 pmOntario

Jun 10

ONT1:33 pmOntario

5h 47m

1 stop

LAX7:20 pmLos Angeles

$144

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 6/2

12:08 pm-7:32 pm

1 stop7h 24m

Ontario

Tue 6/9

1:33 pm-7:20 pm

1 stop5h 47m

$126

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 6/2

10:05 pm-3:44 pm

2 stops17h 39m

Ontario

Tue 6/9

1:33 pm-7:20 pm

1 stop5h 47m

$142

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/3

8:27 pm-3:09 pm

1 stop18h 42m

Ontario

Wed 6/10

1:33 pm-7:20 pm

1 stop5h 47m

$144

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 6/1

8:27 pm-7:32 pm

1 stop23h 05m

Ontario

Mon 6/8

3:30 pm-9:25 am

1 stop17h 55m

$146

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 6/3

10:05 pm-3:09 pm

2 stops17h 04m

Ontario

Wed 6/10

1:33 pm-7:20 pm

1 stop5h 47m

$150

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 6/6

6:30 am-7:32 pm

2 stops13h 02m

Ontario

Mon 6/8

3:30 pm-9:25 am

1 stop17h 55m

$173

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/12

12:14 pm-7:53 pm

1 stop7h 39m

Ontario

Mon 8/17

3:40 pm-9:24 pm

2 stops29h 44m

$181

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 8/12

12:14 pm-7:53 pm

1 stop7h 39m

Ontario

Mon 8/17

3:40 pm-9:25 am

1 stop17h 45m

$182

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 5/30

7:22 pm-11:06 am

1 stop15h 44m

Ontario

Mon 6/1

11:51 am-7:32 pm

1 stop7h 41m

$189

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Mon 6/1

8:59 pm-10:05 am

1 stop13h 06m

Ontario

Mon 6/8

3:30 pm-1:05 pm

2 stops21h 35m

$190

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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 54m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 3h 54m

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. 3h 54m 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 $63

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 5/27. 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

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

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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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