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.

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 83 minutes.

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.

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.

$68 Cheap Flights from Los Angeles to Ontario in 2025/26

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9:12 am - 7:12 pmLAX-ONT

10h 00m1 stop

10:18 pm - 3:12 pmONT-LAX

16h 54m1 stop

$128Multiple Airlines

Find Deal

jue., ene. 8 - lun., ene. 12

9:05 am - 2:26 pmLAX-ONT

5h 21m1 stop

5:06 pm - 8:59 pmONT-LAX

3h 53m1 stop

$129Multiple Airlines

Find Deal

jue., nov. 27 - vie., nov. 28

3:18 pm - 9:06 pmLAX-ONT

5h 48m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$130Frontier

Find Deal

mar., nov. 25 - mar., dic. 2

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

10:12 pm - 11:41 pmONT-LAX

25h 29m1 stop

$131Frontier

Find Deal

sáb., dic. 6 - lun., dic. 8

3:30 pm - 2:04 pmLAX-ONT

22h 34m1 stop

6:15 am - 8:05 pmONT-LAX

13h 50m1 stop

$132Frontier

Find Deal

mié., dic. 10 - mié., dic. 17

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

6:17 pm - 7:18 amONT-LAX

13h 01m1 stop

$134Multiple Airlines

Find Deal

jue., dic. 11 - jue., dic. 18

6:21 pm - 11:31 pmLAX-ONT

5h 10m1 stop

2:05 pm - 9:11 pmONT-LAX

31h 06m1 stop

$139Frontier

Find Deal

lun., dic. 8 - vie., dic. 12

9:54 pm - 2:26 pmLAX-ONT

16h 32m1 stop

12:58 am - 6:38 pmONT-LAX

17h 40m1 stop

$143Multiple Airlines

Find Deal

mar., nov. 25 - lun., dic. 1

9:54 pm - 9:06 pmLAX-ONT

23h 12m1 stop

2:05 pm - 9:11 pmONT-LAX

31h 06m1 stop

$148Multiple Airlines

Find Deal

dom., nov. 30 - vie., dic. 5

3:30 pm - 9:17 pmLAX-ONT

5h 47m1 stop

6:15 am - 7:42 amONT-LAX

25h 27m2 stops

$150Frontier

Find Deal

mié., dic. 10 - mié., dic. 17

Frontier flights from Los Angeles to Ontario

Our best Frontier deals on Los Angeles to Ontario flight tickets

Frontier

Nov 25

LAX3:18 pmLos Angeles

5h 48m

1 stop

ONT9:06 pmOntario

Dec 2

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

$130

Find similar

Frontier

Dec 6

LAX3:30 pmLos Angeles

5h 47m

1 stop

ONT9:17 pmOntario

Dec 8

ONT10:12 pmOntario

25h 29m

1 stop

LAX11:41 pmLos Angeles

$131

Find similar

Frontier

Dec 10

LAX3:30 pmLos Angeles

22h 34m

1 stop

ONT2:04 pmOntario

Dec 17

ONT6:15 amOntario

13h 50m

1 stop

LAX8:05 pmLos Angeles

$132

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 1/8

9:12 am-7:12 pm

1 stop10h 00m

Ontario

lun. 1/12

10:18 pm-3:12 pm

1 stop16h 54m

$128

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 11/27

9:05 am-2:26 pm

1 stop5h 21m

Ontario

vie. 11/28

5:06 pm-8:59 pm

1 stop3h 53m

$129

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mar. 11/25

3:18 pm-9:06 pm

1 stop5h 48m

Ontario

mar. 12/2

6:15 am-8:05 pm

1 stop13h 50m

$130

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

sáb. 12/6

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

lun. 12/8

10:12 pm-11:41 pm

1 stop25h 29m

$131

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mié. 12/10

3:30 pm-2:04 pm

1 stop22h 34m

Ontario

mié. 12/17

6:15 am-8:05 pm

1 stop13h 50m

$132

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

jue. 12/11

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

jue. 12/18

6:17 pm-7:18 am

1 stop13h 01m

$134

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

lun. 12/8

6:21 pm-11:31 pm

1 stop5h 10m

Ontario

vie. 12/12

2:05 pm-9:11 pm

1 stop31h 06m

$139

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mar. 11/25

9:54 pm-2:26 pm

1 stop16h 32m

Ontario

lun. 12/1

12:58 am-6:38 pm

1 stop17h 40m

$143

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

dom. 11/30

9:54 pm-9:06 pm

1 stop23h 12m

Ontario

vie. 12/5

2:05 pm-9:11 pm

1 stop31h 06m

$148

Los AngelesOntario

LAX - ONT

LAXONT

Los Angeles

mié. 12/10

3:30 pm-9:17 pm

1 stop5h 47m

Ontario

mié. 12/17

6:15 am-7:42 am

2 stops25h 27m

$150

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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. 5h 10m 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

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.

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Flights to Miamifrom $48

Flights to Chicagofrom $58

Flights to Orlandofrom $39

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $52

Flights to Washington, D.C.from $38

Flights to Bostonfrom $59

Flights to Atlantafrom $38

Flights to Dallasfrom $48

Flights to Seattlefrom $50

Cheap flights from Los Angeles to Los Angeles from $68

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 12/2. 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 83 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, 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