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. Tuesday has historically seen more delays on average compared to the rest of the week.

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 86 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.

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

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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.

$54 Cheap Flights from Los Angeles to Ontario in 2025/26

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9:04 am - 9:57 pmLAX-ONT

12h 53m1 stop

7:24 pm - 8:14 amONT-LAX

12h 50m1 stop

$103Multiple Airlines

Find Deal

vie., nov. 7 - lun., nov. 10

6:10 am - 12:51 pmLAX-ONT

6h 41m1 stop

10:43 pm - 9:44 amONT-LAX

11h 01m1 stop

$106Multiple Airlines

Find Deal

jue., nov. 13 - lun., nov. 17

3:30 pm - 1:10 pmLAX-ONT

21h 40m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$108Frontier

Find Deal

jue., dic. 11 - lun., dic. 15

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$110Frontier

Find Deal

vie., dic. 12 - lun., dic. 15

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$121Frontier

Find Deal

sáb., dic. 13 - lun., dic. 15

9:22 pm - 11:50 pmLAX-ONT

26h 28m1 stop

10:43 pm - 8:14 amONT-LAX

9h 31m1 stop

$122Multiple Airlines

Find Deal

vie., oct. 31 - lun., nov. 3

6:10 am - 12:51 pmLAX-ONT

6h 41m1 stop

8:00 am - 8:14 amONT-LAX

24h 14m1 stop

$123Multiple Airlines

Find Deal

vie., nov. 7 - mar., nov. 11

3:27 pm - 8:42 pmLAX-ONT

5h 15m1 stop

8:00 am - 8:14 amONT-LAX

24h 14m1 stop

$126Multiple Airlines

Find Deal

sáb., nov. 8 - mar., nov. 11

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

10:12 pm - 8:05 pmONT-LAX

21h 53m2 stops

$141Frontier

Find Deal

jue., dic. 11 - lun., dic. 15

1:49 pm - 11:59 pmLAX-ONT

10h 10m2 stops

7:00 am - 1:08 pmONT-LAX

6h 08m1 stop

$506Alaska Airlines

Find Deal

jue., dic. 25 - sáb., ene. 3

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Dec 11

LAX3:30 pmLos Angeles

21h 40m

1 stop

ONT1:10 pmOntario

Dec 15

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

$108

Find similar

Frontier

Dec 12

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

Dec 15

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

$110

Find similar

Frontier

Dec 13

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

Dec 15

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

$121

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

vie. 11/7

9:04 am-9:57 pm

1 stop12h 53m

Ontario

lun. 11/10

7:24 pm-8:14 am

1 stop12h 50m

$103

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 11/13

6:10 am-12:51 pm

1 stop6h 41m

Ontario

lun. 11/17

10:43 pm-9:44 am

1 stop11h 01m

$106

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 12/11

3:30 pm-1:10 pm

1 stop21h 40m

Ontario

lun. 12/15

6:15 am-8:05 pm

1 stop13h 50m

$108

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

vie. 12/12

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

lun. 12/15

6:15 am-8:05 pm

1 stop13h 50m

$110

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 12/13

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

lun. 12/15

6:15 am-8:05 pm

1 stop13h 50m

$121

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

vie. 10/31

9:22 pm-11:50 pm

1 stop26h 28m

Ontario

lun. 11/3

10:43 pm-8:14 am

1 stop9h 31m

$122

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

vie. 11/7

6:10 am-12:51 pm

1 stop6h 41m

Ontario

mar. 11/11

8:00 am-8:14 am

1 stop24h 14m

$123

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 11/8

3:27 pm-8:42 pm

1 stop5h 15m

Ontario

mar. 11/11

8:00 am-8:14 am

1 stop24h 14m

$126

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 12/11

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

lun. 12/15

10:12 pm-8:05 pm

2 stops21h 53m

$141

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 12/25

1:49 pm-11:59 pm

2 stops10h 10m

Ontario

sáb. 1/3

7:00 am-1:08 pm

1 stop6h 08m

$506

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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

Direct flights	None

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. 4h 04m 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 Washington, D.C.from $48

Flights to Bostonfrom $60

Flights to Atlantafrom $44

Flights to Dallasfrom $49

Flights to Seattlefrom $54

Cheap flights from Los Angeles to Los Angeles from $54

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 11/14. 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

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

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 86 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. Tuesday 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, Avianca have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

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