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Cheap flights from Los Angeles to Los Angeles from $69

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 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Los Angeles to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:07 pm - 12:53 pm
LAX
-
ONT
17h 46m
1 stop
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$126Frontier
Tue, Jul 21 - Tue, Jul 28
Frontier Logo
6:30 am - 3:14 pm
LAX
-
ONT
8h 44m
1 stop
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$153Frontier
Wed, Jul 15 - Wed, Jul 22
Frontier Logo
10:12 pm - 3:08 pm
LAX
-
ONT
16h 56m
1 stop
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$159Frontier
Fri, Jul 3 - Wed, Jul 8
Frontier Logo
7:07 pm - 12:53 pm
LAX
-
ONT
17h 46m
1 stop
Frontier Logo
8:58 am - 9:54 pm
ONT
-
LAX
12h 56m
1 stop
$162Frontier
Tue, Jul 28 - Sat, Aug 8
Frontier Logo
1:56 pm - 8:03 am
LAX
-
ONT
18h 07m
2 stops
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$172Frontier
Tue, Jul 14 - Tue, Jul 21
Frontier Logo
10:12 pm - 3:08 pm
LAX
-
ONT
16h 56m
1 stop
Frontier Logo
3:40 pm - 8:03 pm
ONT
-
LAX
4h 23m
1 stop
$179Frontier
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
7:22 pm - 12:42 pm
LAX
-
ONT
17h 20m
1 stop
Frontier Logo
2:55 pm - 11:00 am
ONT
-
LAX
20h 05m
1 stop
$191Frontier
Tue, Aug 25 - Wed, Sep 9
Frontier Logo
7:55 pm - 3:08 pm
LAX
-
ONT
19h 13m
1 stop
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$192Frontier
Tue, Jun 30 - Wed, Jul 8
Frontier Logo
1:56 pm - 8:03 am
LAX
-
ONT
18h 07m
2 stops
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$193Frontier
Tue, Jul 21 - Tue, Jul 28
Frontier Logo
12:14 pm - 7:51 pm
LAX
-
ONT
7h 37m
1 stop
Frontier Logo
8:58 am - 9:59 pm
ONT
-
LAX
13h 01m
1 stop
$195Frontier
Wed, Jul 1 - Wed, Jul 8

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Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets
Frontier
Jul 21
LAX7:07 pmLos Angeles
17h 46m
1 stop
ONT12:53 pmOntario
Jul 28
ONT8:58 amOntario
13h 01m
1 stop
LAX9:59 pmLos Angeles
$126
Frontier
Jul 15
LAX6:30 amLos Angeles
8h 44m
1 stop
ONT3:14 pmOntario
Jul 22
ONT3:40 pmOntario
4h 23m
1 stop
LAX8:03 pmLos Angeles
$130
Frontier
Jul 3
LAX10:12 pmLos Angeles
16h 56m
1 stop
ONT3:08 pmOntario
Jul 8
ONT8:58 amOntario
13h 01m
1 stop
LAX9:59 pmLos Angeles
$159

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 17, 2026.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 7/21

7:07 pm-12:53 pm

1 stop17h 46m

Ontario

Tue 7/28

8:58 am-9:59 pm

1 stop13h 01m

$126

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 7/15

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Wed 7/22

8:58 am-9:59 pm

1 stop13h 01m

$153

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 7/3

10:12 pm-3:08 pm

1 stop16h 56m

Ontario

Wed 7/8

8:58 am-9:59 pm

1 stop13h 01m

$159

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 7/28

7:07 pm-12:53 pm

1 stop17h 46m

Ontario

Sat 8/8

8:58 am-9:54 pm

1 stop12h 56m

$162

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 7/14

1:56 pm-8:03 am

2 stops18h 07m

Ontario

Tue 7/21

8:58 am-9:59 pm

1 stop13h 01m

$172

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 7/3

10:12 pm-3:08 pm

1 stop16h 56m

Ontario

Tue 7/7

3:40 pm-8:03 pm

1 stop4h 23m

$179

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 8/25

7:22 pm-12:42 pm

1 stop17h 20m

Ontario

Wed 9/9

2:55 pm-11:00 am

1 stop20h 05m

$191

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 6/30

7:55 pm-3:08 pm

1 stop19h 13m

Ontario

Wed 7/8

8:58 am-9:59 pm

1 stop13h 01m

$192

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Tue 7/21

1:56 pm-8:03 am

2 stops18h 07m

Ontario

Tue 7/28

8:58 am-9:59 pm

1 stop13h 01m

$193
Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 7/1

12:14 pm-7:51 pm

1 stop7h 37m

Ontario

Wed 7/8

8:58 am-9:59 pm

1 stop13h 01m

$195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

What is the cheapest airline that flies from Los Angeles Los Angeles to Ontario?

Frontier is the most popular carrier operating from Los Angeles 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

6h 03m

Direct flights

None
The fastest flight from Los Angeles to Ontario takes 6h 03m
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. 6h 03m 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

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Fri 7/17
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