$138+ Cheap flights from Ontario to Los Angeles (ONT - LAX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAX
Jan 26 — Feb 21
1 adult, Economy
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Find cheap flights from Ontario to Los Angeles with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Los Angeles
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kissandfly.com) |
Find 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 January 21, 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 January 21, 2025.
This Kissandfly.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/106:45 amONT - LAX
1 stop8h 31mFrontier
Tue 2/1811:02 amLAX - ONT
1 stop9h 38mFrontier
Deal found 1/20![Frontier logo]()
$138
Find flights from Ontario to Los Angeles within your budget
Customize your flight search to find flights from Ontario to Los Angeles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
OntarioLos Angeles
ONT - LAX
ONTLAX
Ontario
Mon 2/10
6:45 am-3:16 pm
1 stop8h 31m
Los Angeles
Tue 2/18
11:02 am-8:40 pm
1 stop9h 38m
$138
OntarioLos Angeles
ONT - LAX
ONTLAX
Ontario
Thu 2/20
5:44 pm-11:44 pm
1 stop6h 00m
Los Angeles
Wed 2/26
3:00 pm-9:27 pm
1 stop6h 27m
$391
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Los Angeles flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Los Angeles flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
Travel insights for flights from Ontario to Los Angeles
Get recent, data-driven insights about flights from Ontario to Los Angeles including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Ontario to Los Angeles?
Currently, January is the cheapest month in which you can book a flight from Ontario to Los Angeles (average of $246). Flying from Ontario to Los Angeles in March is currently the most expensive (average of $344). 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.
Rainfall in Los Angeles by month
Plan your trip to Los Angeles by taking into account the average rainfall totals by month.
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.
Temperature in Los Angeles by month
Plan your trip to Los Angeles by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing Los Angeles
Get insights into the airlines that provide service to Los Angeles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Los Angeles. Reviews last updated January 21, 2025.
9,696 reviews
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.1
Boarding
8.2
Entertainment
7.1
Reviews
1 / 10
The attention and efficiency of the staff and the good handling of the pilot
9,696 reviews
9,696 reviews
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.1
Boarding
8.2
Entertainment
7.1
Reviews
1 / 10
The attention and efficiency of the staff and the good handling of the pilot
3,441 reviews
9,696 reviews
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.1
Boarding
8.2
Entertainment
7.1
Reviews
1 / 10
The attention and efficiency of the staff and the good handling of the pilot
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.
Traveling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsStanton
San Fernando
San Gabriel
Universal City
Downey
Oceanside
Hemet
Santa Clarita
Inglewood
Avalon
Buena Park
Rowland Heights
Moreno Valley
Lancaster
Glendale
Encinitas
Garden Grove
Palmdale
El Segundo
Carson