Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Los Angeles from $74

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:52 am - 12:23 amONT  Ontario-LAX Los Angeles
12h 31m1 stop Denver Intl
Frontier Logo
7:03 pm - 7:28 pmLAX  Los Angeles-ONT Ontario
24h 25m1 stop San Francisco
$138Frontier
Sat, Oct 31 - Sat, Nov 7
Frontier Logo
6:25 am - 2:46 pmONT  Ontario-LAX Los Angeles
8h 21m1 stop Denver Intl
Frontier Logo
6:15 am - 11:51 pmLAX  Los Angeles-ONT Ontario
17h 36m1 stop Denver Intl
$140Frontier
Tue, Oct 27 - Tue, Nov 3
Frontier Logo
6:25 am - 2:46 pmONT  Ontario-LAX Los Angeles
8h 21m1 stop Denver Intl
Frontier Logo
6:40 pm - 11:23 pmLAX  Los Angeles-ONT Ontario
4h 43m1 stop San Francisco
$141Frontier
Sat, Nov 7 - Sat, Dec 5
Frontier Logo
10:04 am - 6:17 pmONT  Ontario-LAX Los Angeles
8h 13m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:57 pm - 9:40 amLAX  Los Angeles-ONT Ontario
11h 43m1 stop Las Vegas Harry Reid Intl
$143Frontier
Sat, Oct 24 - Mon, Oct 26
Frontier Logo
2:23 pm - 6:41 pmONT  Ontario-LAX Los Angeles
4h 18m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:44 am - 7:28 pmLAX  Los Angeles-ONT Ontario
10h 44m1 stop San Francisco
$144Frontier
Thu, Oct 29 - Thu, Nov 5
Frontier Logo
1:38 pm - 5:41 pmONT  Ontario-LAX Los Angeles
4h 03m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:57 pm - 9:40 amLAX  Los Angeles-ONT Ontario
11h 43m1 stop Las Vegas Harry Reid Intl
$146Frontier
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
11:52 am - 12:23 amONT  Ontario-LAX Los Angeles
12h 31m1 stop Denver Intl
Frontier Logo
8:44 am - 7:28 pmLAX  Los Angeles-ONT Ontario
10h 44m1 stop San Francisco
$147Frontier
Sat, Nov 7 - Sun, Nov 8
Frontier Logo
8:35 pm - 1:56 pmONT  Ontario-LAX Los Angeles
41h 21m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Frontier Logo
8:44 am - 7:28 pmLAX  Los Angeles-ONT Ontario
10h 44m1 stop San Francisco
$151Frontier
Thu, Oct 29 - Thu, Nov 5
Frontier Logo
10:35 am - 8:53 pmONT  Ontario-LAX Los Angeles
10h 18m2 stops Las Vegas Harry Reid Intl San Francisco
Frontier Logo
2:03 pm - 11:51 pmLAX  Los Angeles-ONT Ontario
9h 48m1 stop Denver Intl
$156Frontier
Tue, Oct 27 - Tue, Nov 3
Frontier Logo
10:00 am - 8:53 pmONT  Ontario-LAX Los Angeles
10h 53m2 stops Las Vegas Harry Reid Intl San Francisco
Frontier Logo
6:40 pm - 11:23 pmLAX  Los Angeles-ONT Ontario
4h 43m1 stop San Francisco
$157Frontier
Sat, Nov 7 - Sat, Dec 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Ontario to Los Angeles

Our best Frontier deals on Ontario to Los Angeles flight tickets
Frontier
Oct 31
ONT11:52 amOntario
12h 31m
1 stop
LAX12:23 amLos Angeles
Nov 7
LAX7:03 pmLos Angeles
24h 25m
1 stop
ONT7:28 pmOntario
$138
Frontier
Oct 27
ONT6:25 amOntario
8h 21m
1 stop
LAX2:46 pmLos Angeles
Nov 3
LAX6:15 amLos Angeles
17h 36m
1 stop
ONT11:51 pmOntario
$140
Frontier
Nov 7
ONT6:25 amOntario
8h 21m
1 stop
LAX2:46 pmLos Angeles
Dec 5
LAX6:40 pmLos Angeles
4h 43m
1 stop
ONT11:23 pmOntario
$141

Alaska Airlines flights from Ontario to Los Angeles

Our best Alaska Airlines deals on Ontario to Los Angeles flight tickets
Alaska Airlines
Nov 7
ONT6:00 amOntario
11h 05m
2 stops
LAX5:05 pmLos Angeles
Nov 8
LAX6:00 amLos Angeles
9h 13m
2 stops
ONT3:13 pmOntario
$763
Alaska Airlines
Oct 24
ONT7:25 amOntario
9h 38m
2 stops
LAX5:03 pmLos Angeles
Oct 26
LAX3:37 pmLos Angeles
8h 05m
2 stops
ONT11:42 pmOntario
$1,104
Alaska Airlines
Oct 24
ONT7:25 amOntario
9h 38m
2 stops
LAX5:03 pmLos Angeles
Oct 26
LAX3:37 pmLos Angeles
8h 05m
2 stops
ONT11:42 pmOntario
$1,118

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 10/31

11:52 am-12:23 am

1 stop12h 31m

Los Angeles

Sat 11/7

7:03 pm-7:28 pm

1 stop24h 25m

$138

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 10/27

6:25 am-2:46 pm

1 stop8h 21m

Los Angeles

Tue 11/3

6:15 am-11:51 pm

1 stop17h 36m

$140
Quickest round-trip

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 11/7

6:25 am-2:46 pm

1 stop8h 21m

Los Angeles

Sat 12/5

6:40 pm-11:23 pm

1 stop4h 43m

$141

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 10/24

10:04 am-6:17 pm

1 stop8h 13m

Los Angeles

Mon 10/26

9:57 pm-9:40 am

1 stop11h 43m

$143

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/29

2:23 pm-6:41 pm

1 stop4h 18m

Los Angeles

Thu 11/5

8:44 am-7:28 pm

1 stop10h 44m

$144

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/22

1:38 pm-5:41 pm

1 stop4h 03m

Los Angeles

Mon 10/26

9:57 pm-9:40 am

1 stop11h 43m

$146

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 11/7

11:52 am-12:23 am

1 stop12h 31m

Los Angeles

Sun 11/8

8:44 am-7:28 pm

1 stop10h 44m

$147

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Thu 10/29

8:35 pm-1:56 pm

2 stops41h 21m

Los Angeles

Thu 11/5

8:44 am-7:28 pm

1 stop10h 44m

$151

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Tue 10/27

10:35 am-8:53 pm

2 stops10h 18m

Los Angeles

Tue 11/3

2:03 pm-11:51 pm

1 stop9h 48m

$156

OntarioLos Angeles

ONT Ontario - LAX Los Angeles

ONTLAX

Ontario

Sat 11/7

10:00 am-8:53 pm

2 stops10h 53m

Los Angeles

Sat 12/5

6:40 pm-11:23 pm

1 stop4h 43m

$157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

$74

Fastest flight time

4h 14m

Direct flights

None
The best one-way flight to Los Angeles from Ontario in the past 72 hours is $74. The best round-trip flight deal from Ontario to Los Angeles found on momondo in the last 72 hours is $138.
The fastest flight from Ontario to Los Angeles takes 4h 14m
There are no direct flights from Ontario to Los Angeles. There are no popular flight routes from Ontario to Los Angeles.
Search flight deals

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. 4h 14m 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.

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Avalon
Laguna Beach
Big Bear Lake
Carlsbad
Temecula
Riverside
Oceanside
Inglewood
San Clemente
Big Bear
Newport Beach
Pasadena
Malibu
Orange
Ventura
Huntington Beach
Buena Park
West Hollywood
Irvine
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.

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
Mon 11/2
Mon 11/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States