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

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How to find the cheapest flight from
Ontario (ONT) to Los Angeles (LAX)

All the information you need to plan the best ONT to LAX flight in 2021: compare Ontario to Los Angeles flight prices with the expected peak season, weather and rainfall in Los Angeles.
What is the cheapest day to fly round-trip from Ontario to Los Angeles?

Thursday flights are found to be more expensive to fly from Ontario to Los Angeles. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Los Angeles.

How far in advance should I book a flight from Ontario to Los Angeles?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 20% on flights from Ontario to Los Angeles compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $75. For sooner than that we have options available in the next 3 days from $95.

What is the cheapest month to fly from Ontario to Los Angeles?

April can be a great time to fly to Los Angeles from Ontario with a flight ticket averaging about $86. Cheapflights users have found deals in the month of April for as cheap as $43. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Ontario to Los Angeles (ONT - LAX)?

When flying from Ontario to Los Angeles, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Ontario to Los Angeles in May, June 2021

The best prices found for ONT to LAX flights for May, June
24 May - 3 Jun
$122pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Multiple Airlines
 
1 STOP
ONT
Ontario
24 May - 2 Jun
$167pp
ONT
Ontario
Frontier
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario
21 May - 23 May
$176pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario

Ontario to Los Angeles 2021 flight deals

Cheap flights to Los Angeles from Ontario found for this year
24 May - 3 Jun
$122pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Multiple Airlines
 
1 STOP
ONT
Ontario
24 May - 2 Jun
$167pp
ONT
Ontario
Frontier
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario
21 May - 23 May
$176pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario

Non-stop flights to Los Angeles from Ontario

Save time with Ontario to Los Angeles direct flight deals
29 Jun - 5 Jul
$1,097pp
ONT
Ontario
Linear Air Taxi
Non-Stop
LAX
Los Angeles
LAX
Los Angeles
Linear Air Taxi
Non-Stop
ONT
Ontario
4 Jul - 9 Jul
$1,104pp
ONT
Ontario
Linear Air Taxi
Non-Stop
LAX
Los Angeles
LAX
Los Angeles
Linear Air Taxi
Non-Stop
ONT
Ontario
24 Jun - 28 Jun
$1,105pp
ONT
Ontario
Linear Air Taxi
Non-Stop
LAX
Los Angeles
LAX
Los Angeles
Linear Air Taxi
Non-Stop
ONT
Ontario

Last minute flights from Ontario to Los Angeles

Late deals on round-trip flights to Los Angeles from Ontario, departing today and this week
21 May - 23 May
$176pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario
21 May - 22 May
$218pp
ONT
Ontario
Multiple Airlines
 
1 STOP
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario
21 May - 23 May
$267pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
LAX
Los Angeles
LAX
Los Angeles
Frontier
 
1 STOP
ONT
Ontario

One-way flights to Los Angeles from Ontario

The cheapest one-way flights from Ontario to Los Angeles
1:00 pm - 5:57 am
Frontier
1 Stop
16h 57m
ONT - LAX
Frontier
$83
Kiwi.com
12:41 pm - 5:57 am
Frontier
1 Stop
17h 16m
ONT - LAX
Frontier
$108
Kiwi.com
7:59 am - 3:35 am
Multiple Airlines
1 Stop
19h 36m
ONT - LAX
Multiple Airlines
$118
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Los Angeles</span> flights.

Flight FAQs

From Ontario to Los Angeles

Are flight prices decreasing from Ontario to Los Angeles due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Los Angeles for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Ontario to Los Angeles have flexible changes due to COVID-19?

Some of our airline partners flying from Ontario to Los Angeles have new flexible policies in place due to COVID-19. Linear Air Taxi is one of the carriers where you may find flexible change policies. You can use our site to filter for airlines like Linear Air Taxi with this kind of flexibility.

Can I find flights from Ontario to Los Angeles for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Los Angeles for under $200. The cheapest flight booked recently is on Multiple Airlines for just $122, but on average you can expect to pay $229.

Are there nonstop flights from Ontario to Los Angeles for under $1,100 on Cheapflights?

Cheapflights has at least 7 direct flights from Ontario to Los Angeles under $1,100. A good price for a nonstop flight from Ontario to Los Angeles is less than $1,592.

Are there last-minute flights available from Ontario to Los Angeles for under $200?

There are currently 5+ open flights from Ontario to Los Angeles within the next 7 days for less than $200.

Does it rain more in Ontario or Los Angeles?

Ontario will have the same amount of rainfall in 1 compared to Los Angeles over the next 4 days.

Is Ontario weather warmer or cooler than Los Angeles?

Expect the weather to be around 95 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Los Angeles is generally colder than in Ontario.

How long is the flight from Ontario to Los Angeles?

A quick flight from Ontario to Los Angeles can take about 3h 55m. Frontier provides one of the quickest options available for as low as $235.

What is the cheapest airline to fly from Ontario to Los Angeles round-trip?

Our cheapest airline available from Ontario to Los Angeles is Frontier. Our recent data shows that you can find tickets from as low as $167 on this airline.

What are the cheapest airlines to fly from Ontario to Los Angeles one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $83.

Alternative routes for Ontario to Los Angeles

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Los Angeles

Things to know before you go - useful duration and weather info for your trip from Ontario to Los Angeles.
Average temperature for May in Los Angeles
78.8 °F
Avg rainfall for May in Los Angeles
0.2 ″

Airports servicing Ontario

Airports servicing Los Angeles

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