$80 Cheap Flights from Ontario to Los Angeles in 2026/27 | momondo

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Find the cheapest flights from Ontario to Los Angeles

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One-way

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Cheap round-trip flights

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12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles

10h 27m1 stop San Francisco

7:36 pm - 4:21 pmLAX Los Angeles-ONT Ontario

20h 45m1 stop Las Vegas Harry Reid Intl

$130Frontier

Thu, Nov 5 - Mon, Nov 9

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles

10h 27m1 stop San Francisco

7:36 pm - 4:21 pmLAX Los Angeles-ONT Ontario

20h 45m1 stop Las Vegas Harry Reid Intl

$134Frontier

Thu, Nov 5 - Mon, Nov 9

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles

10h 27m1 stop San Francisco

8:44 am - 7:30 pmLAX Los Angeles-ONT Ontario

10h 46m1 stop San Francisco

$140Frontier

Thu, Nov 5 - Mon, Nov 9

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles

10h 27m1 stop San Francisco

8:44 am - 7:30 pmLAX Los Angeles-ONT Ontario

10h 46m1 stop San Francisco

$144Frontier

Thu, Nov 5 - Mon, Nov 9

12:01 pm - 10:28 pmONT Ontario-LAX Los Angeles

10h 27m1 stop San Francisco

8:44 am - 7:30 pmLAX Los Angeles-ONT Ontario

10h 46m1 stop San Francisco

$150Frontier

Thu, Nov 5 - Mon, Nov 9

6:30 am - 3:55 pmONT Ontario-LAX Los Angeles

9h 25m1 stop Denver Intl

4:50 pm - 12:05 amLAX Los Angeles-ONT Ontario

7h 15m1 stop Denver Intl

$151Frontier

Thu, Jan 21 - Thu, Jan 28

10:35 am - 4:16 pmONT Ontario-LAX Los Angeles

5h 41m1 stop Las Vegas Harry Reid Intl

10:05 am - 4:21 pmLAX Los Angeles-ONT Ontario

6h 16m1 stop Las Vegas Harry Reid Intl

$155Frontier

Wed, Nov 11 - Wed, Nov 18

6:30 am - 12:23 amONT Ontario-LAX Los Angeles

17h 53m1 stop Denver Intl

9:57 pm - 4:21 pmLAX Los Angeles-ONT Ontario

18h 24m1 stop Las Vegas Harry Reid Intl

$163Frontier

Thu, Nov 5 - Mon, Nov 9

8:35 pm - 9:19 amONT Ontario-LAX Los Angeles

12h 44m1 stop Las Vegas Harry Reid Intl

8:44 am - 7:30 pmLAX Los Angeles-ONT Ontario

10h 46m1 stop San Francisco

$167Frontier

Mon, Nov 9 - Mon, Nov 16

6:30 am - 12:23 amONT Ontario-LAX Los Angeles

17h 53m1 stop Denver Intl

7:03 pm - 4:21 pmLAX Los Angeles-ONT Ontario

21h 18m2 stops San Francisco Las Vegas Harry Reid Intl

$175Frontier

Tue, Nov 10 - Tue, Nov 17

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Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets

Frontier

Nov 5

ONT12:01 pmOntario

10h 27m

1 stop

LAX10:28 pmLos Angeles

Nov 9

LAX7:36 pmLos Angeles

20h 45m

1 stop

ONT4:21 pmOntario

$130

Frontier

Nov 5

ONT12:01 pmOntario

10h 27m

1 stop

LAX10:28 pmLos Angeles

Nov 9

LAX7:36 pmLos Angeles

20h 45m

1 stop

ONT4:21 pmOntario

$134

Frontier

Nov 5

ONT12:01 pmOntario

10h 27m

1 stop

LAX10:28 pmLos Angeles

Nov 9

LAX8:44 amLos Angeles

10h 46m

1 stop

ONT7:30 pmOntario

$140

Alaska Airlines flights from Ontario to Los Angeles

Our best Alaska Airlines deals on Ontario to Los Angeles flight tickets

Alaska Airlines

Nov 5

ONT6:00 amOntario

10h 00m

2 stops

LAX4:00 pmLos Angeles

Nov 9

LAX7:03 amLos Angeles

8h 10m

2 stops

ONT3:13 pmOntario

$966

Alaska Airlines

Nov 5

ONT6:00 amOntario

10h 00m

2 stops

LAX4:00 pmLos Angeles

Nov 9

LAX7:03 amLos Angeles

8h 10m

2 stops

ONT3:13 pmOntario

$987

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

12:01 pm-10:28 pm

1 stop10h 27m

Los Angeles

Mon 11/9

7:36 pm-4:21 pm

1 stop20h 45m

$130

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

12:01 pm-10:28 pm

1 stop10h 27m

Los Angeles

Mon 11/9

7:36 pm-4:21 pm

1 stop20h 45m

$134

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

12:01 pm-10:28 pm

1 stop10h 27m

Los Angeles

Mon 11/9

8:44 am-7:30 pm

1 stop10h 46m

$140

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

12:01 pm-10:28 pm

1 stop10h 27m

Los Angeles

Mon 11/9

8:44 am-7:30 pm

1 stop10h 46m

$144

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

12:01 pm-10:28 pm

1 stop10h 27m

Los Angeles

Mon 11/9

8:44 am-7:30 pm

1 stop10h 46m

$150

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 1/21

6:30 am-3:55 pm

1 stop9h 25m

Los Angeles

Thu 1/28

4:50 pm-12:05 am

1 stop7h 15m

$151

Quickest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Wed 11/11

10:35 am-4:16 pm

1 stop5h 41m

Los Angeles

Wed 11/18

10:05 am-4:21 pm

1 stop6h 16m

$155

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 11/5

6:30 am-12:23 am

1 stop17h 53m

Los Angeles

Mon 11/9

9:57 pm-4:21 pm

1 stop18h 24m

$163

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Mon 11/9

8:35 pm-9:19 am

1 stop12h 44m

Los Angeles

Mon 11/16

8:44 am-7:30 pm

1 stop10h 46m

$167

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 11/10

6:30 am-12:23 am

1 stop17h 53m

Los Angeles

Tue 11/17

7:03 pm-4:21 pm

2 stops21h 18m

$175

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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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

Prices

Airlines

Delays

Can stopping save me money on Ontario to Los Angeles flights?

You could potentially save up to 22% on your flight if you consider stops on a Ontario to Los Angeles flight.

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

Best Price Found	$80
Fastest flight time	7h 58m
Direct flights	None

The best one-way flight to Los Angeles from Ontario in the past 72 hours is $80. The best round-trip flight deal from Ontario to Los Angeles found on momondo in the last 72 hours is $130.

The fastest flight from Ontario to Los Angeles takes 7h 58m

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

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Frequently asked questions about flying from Ontario to Los Angeles

How far is Ontario to Los Angeles by plane?
There are 38.0 mi between Ontario and Los Angeles. 7h 58m 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.

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Malibu

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Garden Grove

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.

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