How often are flights from Ontario to Los Angeles delayed?

Historically, on average around 33% of flights between Ontario and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 75 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. Friday has historically seen more delays on average compared to the rest of the week.

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

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

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Prices for flights from Ontario Airport to Los Angeles Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Los Angeles Airport.

What documentation or ID do you need to fly to Los Angeles Airport?

The necessary travel and health documents for your Los Angeles 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.

$95 Cheap Flights from Ontario to Los Angeles in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 9:44 amONT-LAX

25h 44m1 stop

2:48 pm - 9:27 pmLAX-ONT

6h 39m1 stop

$125Multiple Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 19

8:30 am - 3:12 pmONT-LAX

6h 42m1 stop

6:20 am - 11:59 pmLAX-ONT

17h 39m1 stop

$127Multiple Airlines

Find Deal

Sat, Feb 7 - Sun, Feb 8

10:12 pm - 11:41 pmONT-LAX

25h 29m1 stop

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$128Frontier

Find Deal

Mon, Dec 8 - Tue, Dec 16

2:05 pm - 9:11 pmONT-LAX

31h 06m1 stop

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$129Frontier

Find Deal

Fri, Dec 12 - Tue, Dec 16

8:45 am - 12:25 amONT-LAX

15h 40m1 stop

8:57 pm - 9:06 pmLAX-ONT

24h 09m1 stop

$130Multiple Airlines

Find Deal

Wed, Nov 19 - Sat, Nov 22

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$132Frontier

Find Deal

Sat, Dec 13 - Tue, Dec 16

6:15 am - 6:54 amONT-LAX

24h 39m1 stop

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$152Multiple Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

4:01 pm - 7:42 amONT-LAX

15h 41m1 stop

6:21 pm - 11:31 pmLAX-ONT

5h 10m1 stop

$153Frontier

Find Deal

Sun, Dec 14 - Mon, Dec 15

5:06 pm - 7:55 amONT-LAX

14h 49m1 stop

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$154Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

2:59 pm - 11:41 pmONT-LAX

8h 42m2 stops

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

$158Frontier

Find Deal

Thu, Dec 4 - Wed, Dec 10

Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Dec 8

ONT10:12 pmOntario

25h 29m

1 stop

LAX11:41 pmLos Angeles

Dec 16

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

$128

Find similar

Frontier

Dec 12

ONT2:05 pmOntario

31h 06m

1 stop

LAX9:11 pmLos Angeles

Dec 16

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

$129

Find similar

Frontier

Dec 13

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

Dec 16

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

$132

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Tue 11/18

8:00 am-9:44 am

1 stop25h 44m

Los Angeles

Wed 11/19

2:48 pm-9:27 pm

1 stop6h 39m

$125

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 2/7

8:30 am-3:12 pm

1 stop6h 42m

Los Angeles

Sun 2/8

6:20 am-11:59 pm

1 stop17h 39m

$127

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Mon 12/8

10:12 pm-11:41 pm

1 stop25h 29m

Los Angeles

Tue 12/16

3:30 pm-9:17 pm

1 stop5h 47m

$128

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Fri 12/12

2:05 pm-9:11 pm

1 stop31h 06m

Los Angeles

Tue 12/16

3:30 pm-9:17 pm

1 stop5h 47m

$129

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Wed 11/19

8:45 am-12:25 am

1 stop15h 40m

Los Angeles

Sat 11/22

8:57 pm-9:06 pm

1 stop24h 09m

$130

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 12/13

6:15 am-8:05 pm

1 stop13h 50m

Los Angeles

Tue 12/16

3:30 pm-9:17 pm

1 stop5h 47m

$132

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Tue 12/2

6:15 am-6:54 am

1 stop24h 39m

Los Angeles

Tue 12/9

3:30 pm-9:17 pm

1 stop5h 47m

$152

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sun 12/14

4:01 pm-7:42 am

1 stop15h 41m

Los Angeles

Mon 12/15

6:21 pm-11:31 pm

1 stop5h 10m

$153

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Mon 12/1

5:06 pm-7:55 am

1 stop14h 49m

Los Angeles

Mon 12/8

3:30 pm-9:17 pm

1 stop5h 47m

$154

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 12/4

2:59 pm-11:41 pm

2 stops8h 42m

Los Angeles

Wed 12/10

3:30 pm-9:17 pm

1 stop5h 47m

$158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Los Angeles

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 Ontario to Los Angeles?

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

When to book flights from Ontario to Los Angeles

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Ontario to Los Angeles

Direct flights	None

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

Search flight deals

How far is Ontario to Los Angeles by plane?
There are 38.0 mi between Ontario and Los Angeles. 3h 53m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Los Angeles Airport?
Prices for flights from Ontario Airport to Los Angeles Airport are updated daily.
How old do you have to be to fly from Ontario Airport to Los Angeles Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Los Angeles Airport.
What documentation or ID do you need to fly to Los Angeles Airport?
The necessary travel and health documents for your Los Angeles 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.

Avalon

Laguna Beach

Big Bear Lake

Temecula

Big Bear

Riverside

Carlsbad

Malibu

Oceanside

Inglewood

Huntington Beach

Pasadena

Newport Beach

Ventura

Irvine

Buena Park

Redondo Beach

Orange

Glendale

Beverly Hills

Why use momondo?

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

Finding the right flight to Los Angeles from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Los Angeles quick and easy, saving you time and money.

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

Yes. All flights to Los Angeles from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Ontario to Los Angeles flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ontario to Los Angeles now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Los Angeles and let you know when they change.

An easier way to manage your Los Angeles 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 12/6

Sat 12/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $49

Flights to Las Vegasfrom $42

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $54

Flights to Bostonfrom $49

Flights to Atlantafrom $49

Flights to Dallasfrom $58

Flights to Seattlefrom $72

Flights to Denverfrom $57

Cheap flights from Ontario to Los Angeles from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Los Angeles departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Los Angeles that are best for you.

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Ontario to Los Angeles

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 Ontario to Los Angeles?

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

How often are flights from Ontario to Los Angeles delayed?

Historically, on average around 33% of flights between Ontario and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 75 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening 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 Ontario to Los Angeles flights?

According to our data, AeroUnion 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 Ontario to Los Angeles

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

Find info about flight duration, direct flights, and airports for your flight from Ontario to Los Angeles

Direct flights

How far is Ontario to Los Angeles by plane?

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

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

What documentation or ID do you need to fly to Los Angeles Airport?

Traveling to a place near Los Angeles?

Why use momondo?

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

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

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

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

An easier way to manage your Los Angeles 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