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.

$60 Cheap Flights from Los Angeles to Ontario in 2025/26

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Find the cheapest flights from Los Angeles to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

6:15 am - 11:38 amLAX-ONT

5h 23m1 stop

10:28 pm - 9:25 pmONT-LAX

22h 57m1 stop

$114

Find Deal

Thu, Oct 2 - Mon, Oct 6

9:36 am - 8:56 pmLAX-ONT

11h 20m1 stop

10:28 pm - 9:25 pmONT-LAX

22h 57m1 stop

$115

Find Deal

Thu, Oct 2 - Mon, Oct 6

3:32 pm - 9:56 pmLAX-ONT

6h 24m1 stop

8:00 am - 9:25 pmONT-LAX

13h 25m1 stop

$128

Find Deal

Sat, Oct 4 - Tue, Oct 7

6:15 am - 11:38 amLAX-ONT

5h 23m1 stop

10:28 pm - 4:14 pmONT-LAX

17h 46m2 stops

$133

Find Deal

Thu, Oct 2 - Mon, Oct 6

3:48 pm - 8:42 pmLAX-ONT

4h 54m1 stop

1:37 pm - 7:53 pmONT-LAX

6h 16m1 stop

$134Frontier

Find Deal

Sat, Oct 11 - Sat, Oct 18

9:36 am - 8:56 pmLAX-ONT

11h 20m1 stop

9:46 pm - 1:32 pmONT-LAX

15h 46m1 stop

$147

Find Deal

Thu, Oct 2 - Mon, Oct 6

6:45 am - 11:50 pmLAX-ONT

17h 05m1 stop

6:44 pm - 12:14 pmONT-LAX

17h 30m1 stop

$152Frontier

Find Deal

Wed, Oct 22 - Sun, Oct 26

8:55 pm - 12:43 pmLAX-ONT

15h 48m1 stop

10:50 pm - 1:32 pmONT-LAX

14h 42m1 stop

$158

Find Deal

Fri, Oct 3 - Mon, Oct 20

10:18 am - 9:56 pmLAX-ONT

11h 38m2 stops

8:00 am - 9:25 pmONT-LAX

13h 25m1 stop

$162

Find Deal

Sat, Oct 4 - Tue, Oct 7

6:15 am - 11:38 amLAX-ONT

5h 23m1 stop

6:00 am - 3:56 pmONT-LAX

9h 56m2 stops

$167

Find Deal

Thu, Oct 2 - Mon, Oct 6

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Oct 11

LAX3:48 pmLos Angeles

4h 54m

1 stop

ONT8:42 pmOntario

Oct 18

ONT1:37 pmOntario

6h 16m

1 stop

LAX7:53 pmLos Angeles

$134

Find similar

Frontier

Oct 22

LAX6:45 amLos Angeles

17h 05m

1 stop

ONT11:50 pmOntario

Oct 26

ONT6:44 pmOntario

17h 30m

1 stop

LAX12:14 pmLos Angeles

$152

Find similar

Frontier

Nov 1

LAX2:38 pmLos Angeles

9h 12m

1 stop

ONT11:50 pmOntario

Nov 2

ONT5:53 amOntario

17h 32m

1 stop

LAX11:25 pmLos Angeles

$171

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 10/2

6:15 am-11:38 am

1 stop5h 23m

Ontario

Mon 10/6

10:28 pm-9:25 pm

1 stop22h 57m

$114

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 10/2

9:36 am-8:56 pm

1 stop11h 20m

Ontario

Mon 10/6

10:28 pm-9:25 pm

1 stop22h 57m

$115

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 10/4

3:32 pm-9:56 pm

1 stop6h 24m

Ontario

Tue 10/7

8:00 am-9:25 pm

1 stop13h 25m

$128

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 10/2

6:15 am-11:38 am

1 stop5h 23m

Ontario

Mon 10/6

10:28 pm-4:14 pm

2 stops17h 46m

$133

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 10/11

3:48 pm-8:42 pm

1 stop4h 54m

Ontario

Sat 10/18

1:37 pm-7:53 pm

1 stop6h 16m

$134

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 10/2

9:36 am-8:56 pm

1 stop11h 20m

Ontario

Mon 10/6

9:46 pm-1:32 pm

1 stop15h 46m

$147

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Wed 10/22

6:45 am-11:50 pm

1 stop17h 05m

Ontario

Sun 10/26

6:44 pm-12:14 pm

1 stop17h 30m

$152

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Fri 10/3

8:55 pm-12:43 pm

1 stop15h 48m

Ontario

Mon 10/20

10:50 pm-1:32 pm

1 stop14h 42m

$158

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Sat 10/4

10:18 am-9:56 pm

2 stops11h 38m

Ontario

Tue 10/7

8:00 am-9:25 pm

1 stop13h 25m

$162

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

Thu 10/2

6:15 am-11:38 am

1 stop5h 23m

Ontario

Mon 10/6

6:00 am-3:56 pm

2 stops9h 56m

$167

Flights are sorted by cheapest round-trip flights first.

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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

Direct flights	None

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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How far is Los Angeles to Ontario by plane?
The distance between Los Angeles and Ontario is about 38.0 mi. 4h 54m 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.