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Cheap flights from Los Angeles to Los Angeles from $64

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 7/28. 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
$125Frontier
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
$160Frontier
Sat, Jul 18 - Sat, Jul 25
Frontier Logo
7:07 pm - 12:48 pm
LAX
-
ONT
17h 41m
1 stop
Frontier Logo
10:49 am - 8:55 am
ONT
-
LAX
22h 06m
1 stop
$170Frontier
Tue, Aug 4 - Mon, Aug 10
Frontier Logo
6:30 am - 11:50 pm
LAX
-
ONT
17h 20m
1 stop
Frontier Logo
8:58 am - 9:54 pm
ONT
-
LAX
12h 56m
1 stop
$171Frontier
Wed, Jul 29 - Wed, Aug 5
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
$189Frontier
Tue, Jul 21 - Tue, Jul 28
Frontier Logo
6:30 am - 11:50 pm
LAX
-
ONT
17h 20m
1 stop
Frontier Logo
8:58 am - 9:54 pm
ONT
-
LAX
12h 56m
1 stop
$194Frontier
Sat, Aug 15 - Mon, Aug 17
Frontier Logo
6:30 am - 3:14 pm
LAX
-
ONT
8h 44m
1 stop
Frontier Logo
6:00 am - 8:55 am
ONT
-
LAX
26h 55m
1 stop
$198Frontier
Sat, Aug 15 - Mon, Aug 17
Frontier Logo
9:15 am - 8:17 pm
LAX
-
ONT
11h 02m
1 stop
Frontier Logo
11:38 am - 9:01 pm
ONT
-
LAX
9h 23m
1 stop
$200Frontier
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
6:30 am - 3:14 pm
LAX
-
ONT
8h 44m
1 stop
Frontier Logo
8:58 am - 9:54 pm
ONT
-
LAX
12h 56m
1 stop
$201Frontier
Sat, Aug 15 - Mon, Aug 17
Frontier Logo
6:55 am - 4:22 pm
LAX
-
ONT
9h 27m
1 stop
Frontier Logo
8:48 am - 9:54 pm
ONT
-
LAX
13h 06m
1 stop
$203Frontier
Thu, Aug 20 - Sat, Aug 22

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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 Los Angeles
17h 46m
1 stop
ONT12:53 pmOntario
Jul 28
ONT8:58 amOntario
13h 01m
1 stop
LAX9:59 pmLos Angeles Los Angeles
$125
Frontier
Jul 18
LAX6:30 amLos Angeles Los Angeles
8h 44m
1 stop
ONT3:14 pmOntario
Jul 25
ONT8:58 amOntario
13h 01m
1 stop
LAX9:59 pmLos Angeles Los Angeles
$160
Frontier
Aug 4
LAX7:07 pmLos Angeles Los Angeles
17h 41m
1 stop
ONT12:48 pmOntario
Aug 10
ONT10:49 amOntario
22h 06m
1 stop
LAX8:55 amLos Angeles Los Angeles
$170

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 27, 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 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

$125

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Sat 7/18

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Sat 7/25

8:58 am-9:59 pm

1 stop13h 01m

$160

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Tue 8/4

7:07 pm-12:48 pm

1 stop17h 41m

Ontario

Mon 8/10

10:49 am-8:55 am

1 stop22h 06m

$170

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Wed 7/29

6:30 am-11:50 pm

1 stop17h 20m

Ontario

Wed 8/5

8:58 am-9:54 pm

1 stop12h 56m

$171

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles 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

$189

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Sat 8/15

6:30 am-11:50 pm

1 stop17h 20m

Ontario

Mon 8/17

8:58 am-9:54 pm

1 stop12h 56m

$194

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Sat 8/15

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Mon 8/17

6:00 am-8:55 am

1 stop26h 55m

$198
Quickest round-trip

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Thu 9/24

9:15 am-8:17 pm

1 stop11h 02m

Ontario

Mon 9/28

11:38 am-9:01 pm

1 stop9h 23m

$200

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Sat 8/15

6:30 am-3:14 pm

1 stop8h 44m

Ontario

Mon 8/17

8:58 am-9:54 pm

1 stop12h 56m

$201

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles Los Angeles

Thu 8/20

6:55 am-4:22 pm

1 stop9h 27m

Ontario

Sat 8/22

8:48 am-9:54 pm

1 stop13h 06m

$203

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 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 Los Angeles to Ontario by plane?

    The distance between Los Angeles 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 Los Angeles Airport to Ontario Airport?

    Prices for flights from Los Angeles Los Angeles Airport to Ontario Airport refresh daily.

  • How old do you have to be to fly from Los Angeles 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 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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