HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phnom Penh

$306+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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

Keep the following information in mind while searching for California to Phnom Penh flight deals. Data was last updated August 2, 2025.

Round-trip from

$736
(oojo)

One-way from

$306
(FlightHub)

Popular in

June

Cheapest in

March

Average price

$972
From California to Phnom Penh Pochentong
Search Deals
One-way flight from California to Phnom Penh Pochentong
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find 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 August 2, 2025.

This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:30 pmSFO - PNH
1 stop33h 25mAsiana Airlines
Mon 8/2511:55 pmPNH - SFO
1 stop30h 05mAsiana Airlines
Deal found 7/31$735
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:25 pmLAX - PNH
1 stop33h 45mAir China
Sat 12/612:25 amPNH - LAX
1 stop24h 35mAir China
Deal found 8/1$737
This CrystalTravel deal was found by Cheapflights users on 8/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:40 pmLAX - PNH
1 stop20h 15mAsiana Airlines
Fri 9/511:55 pmPNH - LAX
1 stop22h 05mAsiana Airlines
Deal found 8/1$738
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:30 pmLAX - PNH
1 stop20h 45mChina Eastern
Mon 9/1512:10 amPNH - LAX
1 stop23h 55mChina Eastern
Deal found 8/1$739
This CrystalTravel deal was found by Cheapflights users on 8/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:25 amLAX - PNH
1 stop25h 55mCathay Pacific
Sat 9/611:25 amPNH - LAX
1 stop25h 10mCathay Pacific
Deal found 8/1$741
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:00 pmSFO - PNH
1 stop39h 40mSingapore Airlines
Tue 9/302:05 pmPNH - SFO
1 stop33h 35mSingapore Airlines
Deal found 7/31$745
This Gurufare deal was found by Cheapflights users on 8/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:00 pmLAX - PNH
1 stop22h 40mMultiple Airlines
Sun 3/2212:25 amPNH - LAX
1 stop33h 35mMultiple Airlines
Deal found 8/1$748
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:05 amSFO - PNH
1 stop20h 10mCathay Pacific
Wed 8/276:30 pmPNH - SFO
1 stop18h 25mCathay Pacific
Deal found 7/31$750
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:40 pmLAX - PNH
1 stop28h 00mSingapore Airlines
Sun 11/239:35 amPNH - LAX
1 stop23h 35mSingapore Airlines
Deal found 8/1$762
This Gurufare deal was found by Cheapflights users on 8/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:55 amSFO - PNH
2 stops24h 20mChina Eastern
Sun 10/1212:40 pmPNH - SFO
2 stops34h 25mChina Eastern
Deal found 8/1$767
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:50 pmSFO - PNH
1 stop19h 20mKorean Air
Wed 12/2411:45 pmPNH - SFO
1 stop24h 45mKorean Air
Deal found 7/31$782
This Korean Air deal was found by Cheapflights users on 7/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:50 amLAX - PNH
1 stop20h 35mKorean Air
Tue 3/2411:45 pmPNH - LAX
1 stop28h 55mKorean Air
Deal found 7/31$794

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 August 2, 2025.
Use the filters below to find and compare flights from California to Phnom Penh that are best for you.

Fly from

California

Fly to

Phnom Penh

Route

Depart

Return

Price

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Wed 8/13

11:30 pm-10:55 pm

1 stop33h 25m

Phnom Penh Pochentong

Mon 8/25

11:55 pm-4:00 pm

1 stop30h 05m

$736

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Fri 11/28

10:25 pm-11:10 pm

1 stop33h 45m

Phnom Penh Pochentong

Sat 12/6

12:25 am-10:00 am

1 stop24h 35m

$737

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 11/4

9:00 pm-10:40 am

1 stop22h 40m

Phnom Penh Pochentong

Sun 12/21

12:25 am-7:00 pm

1 stop33h 35m

$738

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 9/2

12:30 pm-11:15 pm

1 stop20h 45m

Phnom Penh Pochentong

Mon 9/15

12:10 am-10:05 am

1 stop23h 55m

$739

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 8/26

1:25 am-5:20 pm

1 stop25h 55m

Phnom Penh Pochentong

Sat 9/6

11:25 am-10:35 pm

1 stop25h 10m

$741

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Mon 9/1

12:00 pm-5:40 pm

1 stop39h 40m

Phnom Penh Pochentong

Tue 9/30

2:05 pm-9:40 am

1 stop33h 35m

$745

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 8/21

11:00 pm-10:55 pm

1 stop33h 55m

Phnom Penh Pochentong

Sat 9/13

11:55 pm-8:00 am

1 stop22h 05m

$750

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 10/1

11:40 pm-5:40 pm

1 stop28h 00m

Phnom Penh Pochentong

Sun 11/23

9:35 am-6:10 pm

1 stop23h 35m

$762

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Fri 9/12

8:55 am-11:15 pm

2 stops24h 20m

Phnom Penh Pochentong

Sun 10/12

12:40 pm-9:05 am

2 stops34h 25m

$767

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Tue 8/12

12:05 am-10:15 am

1 stop20h 10m

Phnom Penh Pochentong

Mon 8/25

6:30 pm-5:50 pm

1 stop37h 20m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 60 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from California to Phnom Penh (average of $988). Flying from California to Phnom Penh in June is currently the most expensive (average of $1,549). 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.

What is the cheapest time of day to fly from CA to PNH?

Find hourly flight availability from California to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Phnom Penh as you normally would.

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

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated August 2, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and China Airlines from California to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,122 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
755 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
468 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,338 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 Cathay Pacific from $364 and XiamenAir from $375 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 Francisco - Phnom Penh Pochentong and Ontario - 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, March is the cheapest month in which you can book a flight from California to Phnom Penh (average of $988). Flying from California to Phnom Penh in June is currently the most expensive (average of $1,549). 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.

Alternative routes for California to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Phnom Penh flights
Seattle to Phnom Penh flights
Boston to Phnom Penh flights
John F Kennedy Intl to Phnom Penh flights
San Francisco to Phnom Penh flights
Ontario to Phnom Penh flights
Newark to Phnom Penh flights
Dallas/Fort Worth to Phnom Penh flights
LaGuardia to Phnom Penh flights
O'Hare Intl to Phnom Penh flights
Burbank to Phnom Penh flights
Santa Ana to Phnom Penh flights
Dulles Intl to Phnom Penh flights
Honolulu to Phnom Penh flights
Reagan-National to Phnom Penh flights
San Jose to Phnom Penh flights
Oakland to Phnom Penh flights
Hobby to Phnom Penh flights
Baltimore to Phnom Penh flights
George Bush Intcntl to Phnom Penh flights
Miami to Phnom Penh flights
Atlanta to Phnom Penh flights
Minneapolis to Phnom Penh flights
Portland to Phnom Penh flights
Sky Harbor Intl to Phnom Penh flights
Las Vegas to Phnom Penh flights
Jacksonville to Phnom Penh flights
Denver to Phnom Penh flights
Austin to Phnom Penh flights
Fort Lauderdale to Phnom Penh flights
Love Field to Phnom Penh flights
West Palm Beach to Phnom Penh flights
Philadelphia to Phnom Penh flights
Charlotte to Phnom Penh flights
Kansas City to Phnom Penh flights
Orlando to Phnom Penh flights
Salt Lake City to Phnom Penh flights
Nashville to Phnom Penh flights
Grand Rapids to Phnom Penh flights
Greensboro to Phnom Penh flights
Lexington to Phnom Penh flights
Midway to Phnom Penh flights
New Orleans to Phnom Penh flights
San Diego to Phnom Penh flights
Tampa to Phnom Penh flights
Knoxville to Phnom Penh flights
Cleveland to Phnom Penh flights

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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$563Average$994FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$604Average$931FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$644Average$712FlexibilityNo cancel feeOn-time67%
China EasternCheapest$660Average$781FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$661Average$784FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$694Average$967FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$707Average$846FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$736Average$770FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$749Average$930FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$823Average$1,115FlexibilityNo cancel feeOn-time70%

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.