HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phnom Penh

$2,853+ Cheap flights from California to Phnom Penh (PNH)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Phnom Penh 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 California to Phnom Penh

Cheapest flights from California to Phnom Penh
Explore the most affordable flight options available from California to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.

This British Airways deal was found by Cheapflights users on 4/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:55 pm
LAX
-
PNH
2 stops47h 05m
British Airways
Sun 7/196:20 pm
PNH
-
LAX
2 stops38h 00m
British Airways
Deal found 4/25$2,853
This British Airways deal was found by Cheapflights users on 4/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:50 pm
LAX
-
PNH
2 stops52h 10m
British Airways
Thu 7/166:20 pm
PNH
-
LAX
2 stops31h 10m
British Airways
Deal found 4/22$3,674
This British Airways deal was found by Cheapflights users on 4/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:55 pm
LAX
-
PNH
2 stops47h 05m
British Airways
Sat 8/86:20 pm
PNH
-
LAX
2 stops31h 10m
British Airways
Deal found 4/27$4,933

Find flight deals from California to Phnom Penh

Keep the following information in mind while searching for California to Phnom Penh flight deals. Data was last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,853
(British Airways)

Popular in

June

Cheapest in

February

Average price

$1,001
Provider with most accurate pricing for Los Angeles Los Angeles-Phnom Penh Pochentong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Phnom Penh Pochentong flights.
Search Deals
From California to Phnom Penh Pochentong
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Phnom Penh 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 April 27, 2026.
Use the filters below to find and compare flights from California to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles Los Angeles

Wed 7/15

8:55 pm-10:00 am

2 stops47h 05m

Phnom Penh Pochentong

Sun 7/19

6:20 pm-6:20 pm

2 stops38h 00m

$2,853

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles Los Angeles

Fri 7/10

3:50 pm-10:00 am

2 stops52h 10m

Phnom Penh Pochentong

Thu 7/16

6:20 pm-11:30 am

2 stops31h 10m

$3,674
Quickest round-trip

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles Los Angeles

Mon 7/13

8:55 pm-10:00 am

2 stops47h 05m

Phnom Penh Pochentong

Sat 8/8

6:20 pm-11:30 am

2 stops31h 10m

$4,933
Cheapest one-way
Quickest one-way

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles Los Angeles

Sun 8/2

3:50 pm-10:00 am

2 stops52h 10m

$6,906

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Sorted by cheapest first

Best time to book a flight from California to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from California 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 California to Phnom Penh

How far ahead should I book a flight from California to Phnom Penh?

To ensure you get the cheapest price possible for a flight from California to Phnom Penh, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from California to Phnom Penh?

Currently, September is the cheapest month in which you can book a flight from California to Phnom Penh (average of $487). Flying from California to Phnom Penh in June is currently the most expensive (average of $843). 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.

How much does it cost to fly round-trip from California to Phnom Penh?

Related info for your journey

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

  • What airport do you fly into for flights to Phnom Penh from California?

    For a flight from California to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city.

  • How long is the flight from California to Phnom Penh?

    There are many flights that can get you from California to Phnom Penh in 47h 05m. Fly via British Airways to get the fastest option. The distance between California and Phnom Penh is about 8196 mi.

  • What are the cheapest airlines to fly from California to Phnom Penh one-way?

    One-way options have recently been found by users for as low as $306 on Singapore Airlines. Other airlines that offer cheap prices include Korean Air from $358 and Cathay Pacific from $362 one-way.

  • What are the most popular routes from California to Phnom Penh?

    The most popular flight routes from California to Phnom Penh are Las Vegas Harry Reid Intl - Phnom Penh Pochentong, San Jose - Phnom Penh Pochentong and Santa Ana J. Wayne/Orange Cnty - Phnom Penh Pochentong.

  • Can I find deals for flights from California to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on California to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Phnom Penh.

  • Can I find deals for business class flights from California to Phnom Penh?

    Yes. Cheapflights offers flight deals from California to Phnom Penh 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 California to Phnom Penh?

    Currently, September is the cheapest month in which you can book a flight from California to Phnom Penh (average of $487). Flying from California to Phnom Penh in June is currently the most expensive (average of $843). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from California to Phnom Penh

Discover the top 10 airlines that operate flights from California to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$537Average$715FlexibilityNo cancel feeOn-time60%
China SouthernCheapest$560Average$580FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$565Average$729FlexibilityNo cancel feeOn-time81%
China EasternCheapest$674Average$831FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$681Average$926FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$722Average$840FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$738Average$774FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$745Average$862FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$748Average$1,275FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$941Average$1,228FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights