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Phnom Penh

$6,279+ Cheap flights from California to Phnom Penh (PNH)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
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Cheap flight deals from California to Phnom Penh

One-way flights from California to Phnom Penh
Search for one-way flight options from California to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.

This SmartFares deal was found by Cheapflights users on 6/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:55 pm
SFO
-
PNH
2 stops50h 05m
Multiple Airlines
Deal found 6/13$6,279
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 pm
LAX
-
PNH
3 stops47h 05m
Multiple Airlines
Deal found 6/10$6,851
This British Airways deal was found by Cheapflights users on 6/11. 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.
Tue 8/185:05 pm
LAX
-
PNH
2 stops50h 55m
British Airways
Deal found 6/11$6,892
This British Airways deal was found by Cheapflights users on 6/11. 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.
Thu 7/167:30 pm
SFO
-
PNH
2 stops48h 30m
British Airways
Deal found 6/11$6,905
This British Airways deal was found by Cheapflights users on 6/11. 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.
Tue 8/258:55 pm
LAX
-
PNH
2 stops47h 05m
British Airways
Deal found 6/11$6,905
This British Airways deal was found by Cheapflights users on 6/12. 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 10/164:35 pm
SFO
-
PNH
2 stops51h 25m
British Airways
Deal found 6/12$7,191

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

February

Average price

$1,360
Provider with most accurate pricing for Los Angeles-Phnom Penh Pochentong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Phnom Penh Pochentong flights.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 14, 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 one-way

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Fri 8/14

5:55 pm-10:00 am

2 stops50h 05m

$6,279
Quickest one-way

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 8/25

8:55 pm-10:00 am

3 stops47h 05m

$6,851

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 8/18

5:05 pm-10:00 am

2 stops50h 55m

$6,892

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Thu 7/16

7:30 pm-10:00 am

2 stops48h 30m

$6,905

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 8/25

8:55 pm-10:00 am

2 stops47h 05m

$6,905

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Mon 9/14

8:55 pm-10:00 am

2 stops47h 05m

$6,905

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Fri 10/16

4:35 pm-10:00 am

2 stops51h 25m

$7,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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

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 May is currently the most expensive (average of $933). 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 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 60 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.

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.

  • 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 Asiana Airlines from $334 and Korean Air from $358 one-way.

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

    The most popular flight routes from California to Phnom Penh are Los Angeles - 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 May is currently the most expensive (average of $933). 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

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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 June 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$521Average$720FlexibilityNo cancel feeOn-time81%
China SouthernCheapest$560Average$580FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$661Average$715FlexibilityNo cancel feeOn-time60%
China EasternCheapest$665Average$879FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$667Average$886FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$716Average$1,027FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$728Average$808FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$738Average$747FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$765Average$859FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$969Average$1,162FlexibilityNo cancel feeOn-time74%

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