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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

How often are flights from Ontario to Los Angeles delayed?

About 25% of weekly flights between Ontario and Los Angeles have experienced delays in the past year, with the average delay time being 67 minutes.

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

Over the last year, Volaris have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Ontario to Los Angeles?

Departing from Ontario to Los Angeles will take you 4h 47m. The distance between Ontario and Los Angeles is about 47 mi.

In terms of precipitation, rainfall in Los Angeles ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Los Angeles when rainfall is around 0.0 in.

If weather is an important factor for your trip to Los Angeles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest time of day to fly from ONT to LAX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Los Angeles as you normally would.

Most accurate provider : When it comes to deals on Ontario-Los Angeles flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Los Angeles flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Los Angeles flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Los Angeles flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Los Angeles flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Ontario to Los Angeles that include hotel bookings?

Yes. In addition to deals on Ontario to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Los Angeles?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Los Angeles.

Can I find deals for business class flights from Ontario to Los Angeles?

Yes. Cheapflights offers flight deals from Ontario to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$68+ Flights from Ontario to Los Angeles

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Cheap flight deals from Ontario to Los Angeles

Cheapest flights from Ontario to Los Angeles
Explore the most affordable flight options available from Ontario to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Tue 12/236:17 pmONT - LAX

1 stop13h 01mMultiple Airlines

Fri 1/169:46 pmLAX - ONT

1 stop22h 04mMultiple Airlines

Deal found 12/14

$219

Sat 12/206:00 amONT - LAX

1 stop14h 31mMultiple Airlines

Sat 12/279:20 pmLAX - ONT

1 stop24h 07mMultiple Airlines

Deal found 12/16

$325

Sun 12/216:37 pmONT - LAX

1 stop12h 41mMultiple Airlines

Wed 12/319:15 amLAX - ONT

2 stops30h 06mMultiple Airlines

Deal found 12/15

$333

Fri 12/196:00 amONT - LAX

1 stop6h 16mFrontier

Fri 12/261:11 pmLAX - ONT

1 stop3h 58mFrontier

Deal found 12/14

$377

Sat 12/206:45 amONT - LAX

2 stops16h 33mFrontier

Sat 12/273:30 pmLAX - ONT

1 stop7h 51mFrontier

Deal found 12/16

$670

Best flights from Ontario to Los Angeles
Discover carefully curated flight deals from Ontario to Los Angeles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Tue 1/136:49 pmONT - LAX

1 stop13h 33mMultiple Airlines

Tue 1/209:17 amLAX - ONT

1 stop4h 20mMultiple Airlines

Deal found 12/16

$128

Mon 1/122:34 pmONT - LAX

1 stop4h 47mFrontier

Mon 1/199:46 pmLAX - ONT

1 stop15h 51mFrontier

Deal found 12/15

$133

Sat 1/247:15 amONT - LAX

1 stop6h 29mMultiple Airlines

Mon 1/264:07 pmLAX - ONT

1 stop21h 30mMultiple Airlines

Deal found 12/15

$132

Sun 1/117:19 pmONT - LAX

1 stop13h 00mFrontier

Sun 1/189:46 pmLAX - ONT

1 stop9h 51mFrontier

Deal found 12/13

$142

Mon 1/122:34 pmONT - LAX

1 stop17h 48mMultiple Airlines

Mon 1/199:46 pmLAX - ONT

1 stop15h 51mMultiple Airlines

Deal found 12/15

$133

Sat 1/179:10 pmONT - LAX

1 stop11h 10mFrontier

Sat 1/242:39 pmLAX - ONT

1 stop8h 45mFrontier

Deal found 12/16

$142

Sun 1/1110:18 pmONT - LAX

1 stop10h 04mMultiple Airlines

Sun 1/189:46 pmLAX - ONT

1 stop9h 51mMultiple Airlines

Deal found 12/13

$142

Sat 1/247:15 amONT - LAX

1 stop16h 16mFrontier

Mon 1/268:57 pmLAX - ONT

2 stops18h 10mFrontier

Deal found 12/15

$155

Last-minute flights from Ontario to Los Angeles
Discover last-minute flight deals from Ontario to Los Angeles. Data last updated December 16, 2025 and is based on user searches.

Tue 12/236:17 pmONT - LAX

1 stop13h 01mMultiple Airlines

Fri 1/169:46 pmLAX - ONT

1 stop22h 04mMultiple Airlines

Deal found 12/14

$219

Fri 1/25:54 pmONT - LAX

1 stop13h 24mMultiple Airlines

Mon 1/59:20 pmLAX - ONT

1 stop17h 49mMultiple Airlines

Deal found 12/14

$251

Sun 1/117:19 pmONT - LAX

1 stop13h 00mFrontier

Sun 1/189:46 pmLAX - ONT

1 stop9h 51mFrontier

Deal found 12/13

$142

Sun 1/1110:18 pmONT - LAX

1 stop10h 01mMultiple Airlines

Sun 1/189:49 pmLAX - ONT

2 stops16h 34mMultiple Airlines

Deal found 12/13

$200

Mon 1/122:34 pmONT - LAX

1 stop4h 47mFrontier

Mon 1/199:46 pmLAX - ONT

1 stop15h 51mFrontier

Deal found 12/15

$133

Tue 1/136:49 pmONT - LAX

1 stop13h 33mMultiple Airlines

Tue 1/209:17 amLAX - ONT

1 stop4h 20mMultiple Airlines

Deal found 12/16

$128

Sat 1/179:10 pmONT - LAX

2 stops16h 22mFrontier

Sat 1/242:39 pmLAX - ONT

1 stop8h 45mFrontier

Deal found 12/16

$169

Sat 1/247:15 amONT - LAX

1 stop6h 29mMultiple Airlines

Mon 1/264:07 pmLAX - ONT

1 stop21h 30mMultiple Airlines

Deal found 12/15

$132

Sat 1/247:15 amONT - LAX

1 stop16h 16mFrontier

Mon 1/268:57 pmLAX - ONT

2 stops18h 10mFrontier

Deal found 12/15

$155

One-way flights from Ontario to Los Angeles
Search for one-way flight options from Ontario to Los Angeles. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Sun 2/82:48 pmONT - LAX

1 stop17h 34mMultiple Airlines

Deal found 12/15

$68

Sat 1/179:10 pmONT - LAX

1 stop11h 10mFrontier

Deal found 12/16

$79

Sun 2/82:48 pmONT - LAX

2 stops26h 32mFrontier

Deal found 12/15

$95

Sun 12/216:37 pmONT - LAX

1 stop22h 27mMultiple Airlines

Deal found 12/14

$161

Fri 12/196:00 amONT - LAX

1 stop14h 31mFrontier

Deal found 12/15

$205

Sat 12/206:00 amONT - LAX

1 stop14h 31mFrontier

Deal found 12/15

$214

Sun 12/216:37 pmONT - LAX

2 stops28h 22mFrontier

Deal found 12/14

$263

Find flight deals from Ontario to Los Angeles

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$128 (Kiwi.com)
One-way from	$68 (Kiwi.com)

Provider with most accurate pricing for Ontario-Los Angeles flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Los Angeles flights.

Search Deals

From Ontario to Los Angeles

Search Deals

One-way flight from Ontario to Los Angeles

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Tue 1/13

6:49 pm-8:22 am

1 stop13h 33m

Los Angeles

Tue 1/20

9:17 am-1:37 pm

1 stop4h 20m

$128

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 1/24

7:15 am-1:44 pm

1 stop6h 29m

Los Angeles

Mon 1/26

4:07 pm-1:37 pm

1 stop21h 30m

$132

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Mon 1/12

2:34 pm-7:21 pm

1 stop4h 47m

Los Angeles

Mon 1/19

9:46 pm-1:37 pm

1 stop15h 51m

$133

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Mon 1/12

2:34 pm-8:22 am

1 stop17h 48m

Los Angeles

Mon 1/19

9:46 pm-1:37 pm

1 stop15h 51m

$133

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sun 1/11

7:19 pm-8:19 am

1 stop13h 00m

Los Angeles

Sun 1/18

9:46 pm-7:37 am

1 stop9h 51m

$142

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 1/17

9:10 pm-8:20 am

1 stop11h 10m

Los Angeles

Sat 1/24

2:39 pm-11:24 pm

1 stop8h 45m

$142

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sun 1/11

10:18 pm-8:22 am

1 stop10h 04m

Los Angeles

Sun 1/18

9:46 pm-7:37 am

1 stop9h 51m

$142

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 1/24

7:15 am-11:31 pm

1 stop16h 16m

Los Angeles

Mon 1/26

8:57 pm-3:07 pm

2 stops18h 10m

$155

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sun 2/8

2:48 pm-8:22 am

1 stop17h 34m

$68

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Sat 1/17

9:10 pm-8:20 am

1 stop11h 10m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results

Compare providers for flights from Ontario to Los Angeles

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Los Angeles in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Los Angeles flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Los Angeles flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Los Angeles flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Los Angeles flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Los Angeles flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Los Angeles

Prices

Delays

What is the cheapest month to book a flight from Ontario to Los Angeles?

Currently, March is the cheapest month in which you can book a flight from Ontario to Los Angeles (average of $100). Flying from Ontario to Los Angeles in August is currently the most expensive (average of $444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Ontario to Los Angeles?
Departing from Ontario to Los Angeles will take you 4h 47m. The distance between Ontario and Los Angeles is about 47 mi.
Can I find deals for flights from Ontario to Los Angeles that include hotel bookings?
Yes. In addition to deals on Ontario to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Los Angeles?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Los Angeles.
Can I find deals for business class flights from Ontario to Los Angeles?
Yes. Cheapflights offers flight deals from Ontario to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Los Angeles?
Currently, March is the cheapest month in which you can book a flight from Ontario to Los Angeles (average of $100). Flying from Ontario to Los Angeles in August is currently the most expensive (average of $444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Downey

Stanton

Oceanside

Universal City

Inglewood

Avalon

El Segundo

Hesperia

Glendale

Torrance

Buena Park

Lancaster

Manhattan Beach

Redondo Beach

Montebello

West Hollywood

Garden Grove

Moreno Valley

Rancho Cucamonga

Rosemead

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$68+ Cheap flights from Ontario to Los Angeles (ONT - LAX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Los Angeles with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Los Angeles

Cheapest flights from Ontario to Los AngelesExplore the most affordable flight options available from Ontario to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from Ontario to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from Ontario to Los Angeles

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Los Angeles that are best for you.

Compare providers for flights from Ontario to Los Angeles

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Los Angeles in December.

Best time to book a flight from Ontario to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Los Angeles

What is the cheapest month to book a flight from Ontario to Los Angeles?

How often are flights from Ontario to Los Angeles delayed?

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Ontario to Los Angeles?

Can I find deals for flights from Ontario to Los Angeles that include hotel bookings?

How can I find direct flights from Ontario to Los Angeles?

Can I find deals for business class flights from Ontario to Los Angeles?

What is the cheapest month to book a flight from Ontario to Los Angeles?

Traveling to a place near Los Angeles?

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Alternative routes for Ontario to Los Angeles

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Cheapest flights from Ontario to Los Angeles
Explore the most affordable flight options available from Ontario to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.