What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Los Angeles to Ontario flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Los Angeles to Ontario flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 25% of flights between Los Angeles and Ontario have experienced a delay on any given week. The average delay length over the past 12 months has been 84 minutes.

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.

$67 Cheap Flights from Los Angeles to Ontario in 2025/26

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Find the cheapest flights from Los Angeles to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:39 pm - 11:24 pm

LAX

ONT

8h 45m1 stop

3:22 pm - 5:38 pm

ONT

LAX

26h 16m1 stop

$119Frontier

sáb., feb. 7 - mar., feb. 10

3:25 pm - 7:36 am

LAX

ONT

16h 11m1 stop

7:15 am - 8:32 pm

ONT

LAX

13h 17m1 stop

$120Frontier

mié., ene. 7 - mié., ene. 14

3:32 pm - 5:54 pm

LAX

ONT

26h 22m1 stop

10:18 pm - 8:22 am

ONT

LAX

10h 04m1 stop

$122Multiple Airlines

mar., ene. 13 - lun., ene. 19

9:17 am - 4:20 pm

LAX

ONT

7h 03m1 stop

2:34 pm - 7:22 pm

ONT

LAX

4h 48m1 stop

$129Multiple Airlines

jue., ene. 8 - jue., ene. 15

3:32 pm - 7:50 pm

LAX

ONT

4h 18m1 stop

2:34 pm - 8:20 am

ONT

LAX

17h 46m1 stop

$130Frontier

sáb., ene. 17 - dom., ene. 18

9:17 am - 1:34 pm

LAX

ONT

4h 17m1 stop

8:05 pm - 8:22 am

ONT

LAX

12h 17m1 stop

$131Multiple Airlines

sáb., ene. 24 - lun., ene. 26

9:17 am - 5:44 pm

LAX

ONT

8h 27m1 stop

4:34 pm - 8:20 am

ONT

LAX

15h 46m1 stop

$137Multiple Airlines

vie., ene. 16 - dom., ene. 18

2:39 pm - 11:24 pm

LAX

ONT

8h 45m1 stop

3:22 pm - 3:45 pm

ONT

LAX

24h 23m2 stops

$140Frontier

sáb., feb. 7 - mar., feb. 10

7:00 am - 3:07 pm

LAX

ONT

8h 07m1 stop

7:15 am - 7:51 am

ONT

LAX

24h 36m1 stop

$145Frontier

mar., ene. 20 - sáb., ene. 24

3:42 pm - 4:20 pm

LAX

ONT

24h 38m2 stops

7:15 am - 8:32 pm

ONT

LAX

13h 17m1 stop

$149Frontier

mié., ene. 7 - mié., ene. 14

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Feb 7

LAX2:39 pmLos Angeles

8h 45m

1 stop

ONT11:24 pmOntario

Feb 10

ONT3:22 pmOntario

26h 16m

1 stop

LAX5:38 pmLos Angeles

$119

Find similar

Frontier

Jan 7

LAX3:25 pmLos Angeles

16h 11m

1 stop

ONT7:36 amOntario

Jan 14

ONT7:15 amOntario

13h 17m

1 stop

LAX8:32 pmLos Angeles

$120

Find similar

Frontier

Jan 17

LAX3:32 pmLos Angeles

4h 18m

1 stop

ONT7:50 pmOntario

Jan 18

ONT2:34 pmOntario

17h 46m

1 stop

LAX8:20 amLos Angeles

$130

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 2/7

2:39 pm-11:24 pm

1 stop8h 45m

Ontario

mar. 2/10

3:22 pm-5:38 pm

1 stop26h 16m

$119

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mié. 1/7

3:25 pm-7:36 am

1 stop16h 11m

Ontario

mié. 1/14

7:15 am-8:32 pm

1 stop13h 17m

$120

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mar. 1/13

3:32 pm-5:54 pm

1 stop26h 22m

Ontario

lun. 1/19

10:18 pm-8:22 am

1 stop10h 04m

$122

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 1/8

9:17 am-4:20 pm

1 stop7h 03m

Ontario

jue. 1/15

2:34 pm-7:22 pm

1 stop4h 48m

$129

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 1/17

3:32 pm-7:50 pm

1 stop4h 18m

Ontario

dom. 1/18

2:34 pm-8:20 am

1 stop17h 46m

$130

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 1/24

9:17 am-1:34 pm

1 stop4h 17m

Ontario

lun. 1/26

8:05 pm-8:22 am

1 stop12h 17m

$131

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

vie. 1/16

9:17 am-5:44 pm

1 stop8h 27m

Ontario

dom. 1/18

4:34 pm-8:20 am

1 stop15h 46m

$137

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 2/7

2:39 pm-11:24 pm

1 stop8h 45m

Ontario

mar. 2/10

3:22 pm-3:45 pm

2 stops24h 23m

$140

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mar. 1/20

7:00 am-3:07 pm

1 stop8h 07m

Ontario

sáb. 1/24

7:15 am-7:51 am

1 stop24h 36m

$145

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mié. 1/7

3:42 pm-4:20 pm

2 stops24h 38m

Ontario

mié. 1/14

7:15 am-8:32 pm

1 stop13h 17m

$149

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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

Airlines

Delays

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 58m
Direct flights	None

The fastest flight from Los Angeles to Ontario takes 3h 58m

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

Search flight deals

How far is Los Angeles to Ontario by plane?
The distance between Los Angeles and Ontario is about 38.0 mi. 3h 58m 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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Flights to Atlantafrom $49

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Cheap flights from Los Angeles to Los Angeles from $67

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 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Los Angeles to Ontario

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

Frontier is the most popular carrier operating from Los Angeles to Ontario

How often are flights from Los Angeles to Ontario delayed?

Historically, on average around 25% of flights between Los Angeles and Ontario have experienced a delay on any given week. The average delay length over the past 12 months has been 84 minutes.

What is the most punctual flight time for Los Angeles to Ontario flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Los Angeles to Ontario flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

When to book flights from Los Angeles to Ontario

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

Direct flights

How far is Los Angeles to Ontario by plane?

When did momondo last update prices for flights from Los Angeles Airport to Ontario Airport?

How old do you have to be to fly from Los Angeles Airport to Ontario Airport?

What documentation or ID do you need to fly to Ontario Airport?

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Ontario?

Can I find flights from Los Angeles to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from Los Angeles to Ontario?

I’m not ready to book a flight from Los Angeles to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Ontario 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California