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Phnom Penh

$309+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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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 June 16, 2025.

Round-trip from

$809
(Vietnam Airlines)

One-way from

$309
(Gurufare)

Popular in

June

Cheapest in

March

Average price

$1,452
From California to Phnom Penh Pochentong
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One-way flight from California to Phnom Penh Pochentong
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Highest demand for flights based on searches. 17% potential increase in price ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This oojo deal was found by Cheapflights users on 6/16. 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 10/2111:55 pmSFO - PNH
1 stop34h 20mPhilippine Airlines
Tue 1/201:15 amPNH - SFO
1 stop34h 00mPhilippine Airlines
Deal found 6/16$806
This Vietnam Airlines deal was found by Cheapflights users on 6/15. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:50 pmSFO - PNH
1 stop30h 50mVietnam Airlines
Sat 10/118:45 pmPNH - SFO
1 stop35h 55mVietnam Airlines
Deal found 6/15$809
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Thu 6/2612:00 pmSFO - PNH
1 stop21h 15mChina Eastern
Wed 7/212:10 amPNH - SFO
2 stops28h 42mChina Eastern
Deal found 6/14$811
This Korean Air deal was found by Cheapflights users on 6/15. 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.
Sun 9/141:00 pmSFO - PNH
2 stops43h 10mKorean Air
Wed 10/1511:30 pmPNH - SFO
1 stop25h 10mKorean Air
Deal found 6/15$823
This oojo deal was found by Cheapflights users on 6/14. 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 10/2012:20 amSFO - PNH
1 stop27h 00mCathay Pacific
Wed 1/2111:45 amPNH - SFO
1 stop24h 15mCathay Pacific
Deal found 6/14$828
This Travelocity deal was found by Cheapflights users on 6/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:58 pmSFO - PNH
2 stops37h 12mMultiple Airlines
Sun 12/711:55 pmPNH - SFO
1 stop24h 35mMultiple Airlines
Deal found 6/16$838
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:05 amSFO - PNH
1 stop18h 45mChina Airlines
Thu 10/305:20 pmPNH - SFO
1 stop16h 30mChina Airlines
Deal found 6/13$852
This Korean Air deal was found by Cheapflights users on 6/14. 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.
Thu 11/136:43 amONT - PNH
2 stops24h 42mKorean Air
Thu 11/2711:45 pmPNH - ONT
2 stops32h 32mKorean Air
Deal found 6/14$861
This lastminute.com deal was found by Cheapflights users on 6/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:00 amSJC - PNH
2 stops25h 10mKorean Air
Mon 7/2111:30 pmPNH - SJC
2 stops31h 22mKorean Air
Deal found 6/14$866
This oojo deal was found by Cheapflights users on 6/14. 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.
Thu 10/3010:18 amLAS - PNH
2 stops46h 37mAsiana Airlines
Sat 11/811:55 pmPNH - LAS
2 stops34h 12mAsiana Airlines
Deal found 6/14$868
This oojo deal was found by Cheapflights users on 6/15. 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 9/2912:10 amONT - PNH
1 stop19h 40mChina Airlines
Wed 10/1510:50 amPNH - ONT
1 stop21h 10mChina Airlines
Deal found 6/15$886
This Asiana Airlines deal was found by Cheapflights users on 6/15. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:30 pmSFO - PNH
1 stop33h 25mAsiana Airlines
Fri 10/1711:55 pmPNH - SFO
1 stop29h 35mAsiana Airlines
Deal found 6/15$886

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 16, 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

Tue 10/21

11:55 pm-12:15 am

1 stop34h 20m

Phnom Penh Pochentong

Tue 1/20

1:15 am-8:15 pm

1 stop34h 00m

$806

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sat 9/13

10:50 pm-7:40 pm

1 stop30h 50m

Phnom Penh Pochentong

Sat 10/11

8:45 pm-6:40 pm

1 stop35h 55m

$809

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Thu 6/26

12:00 pm-11:15 pm

1 stop21h 15m

Phnom Penh Pochentong

Wed 7/2

12:10 am-2:52 pm

2 stops28h 42m

$811

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sun 9/14

1:00 pm-10:10 pm

2 stops43h 10m

Phnom Penh Pochentong

Mon 10/13

11:30 pm-10:40 am

1 stop25h 10m

$823

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Mon 10/20

12:20 am-5:20 pm

1 stop27h 00m

Phnom Penh Pochentong

Wed 1/21

11:45 am-9:00 pm

1 stop24h 15m

$828

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sun 9/7

6:58 pm-10:10 pm

2 stops37h 12m

Phnom Penh Pochentong

Sun 12/7

11:55 pm-9:30 am

1 stop24h 35m

$838

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Wed 10/22

1:05 am-9:50 am

1 stop18h 45m

Phnom Penh Pochentong

Thu 10/30

5:20 pm-7:50 pm

1 stop16h 30m

$852

OntarioPhnom Penh

ONT - PNH

ONTPNH

Ontario

Thu 11/13

6:43 am-10:25 pm

2 stops24h 42m

Phnom Penh Pochentong

Sat 11/29

11:45 pm-5:17 pm

2 stops32h 32m

$861

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Mon 7/14

7:00 am-10:10 pm

2 stops25h 10m

Phnom Penh Pochentong

Mon 7/21

11:30 pm-4:52 pm

2 stops31h 22m

$866

Las VegasPhnom Penh

LAS - PNH

LASPNH

Las Vegas Harry Reid Intl

Thu 10/30

10:18 am-10:55 pm

2 stops46h 37m

Phnom Penh Pochentong

Sat 11/8

11:55 pm-7:07 pm

2 stops34h 12m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 results
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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 $991). Flying from California to Phnom Penh in June is currently the most expensive (average of $1,557). 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 June 16, 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.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

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 June 16, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and China Airlines from California to Phnom Penh by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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
1,090 reviews
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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
742 reviews
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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
441 reviews
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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
Emirates
8.1
Very good
3,267 reviews
EVA Air
8.4
Very good
1,204 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

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 $309 on Singapore Airlines. Other airlines that offer cheap prices include Korean Air from $419 and Cathay Pacific from $421 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 $991). Flying from California to Phnom Penh in June is currently the most expensive (average of $1,557). 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.

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Alternative routes for California to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
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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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$563Average$1,002FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$644Average$712FlexibilityNo cancel feeOn-time67%
China EasternCheapest$659Average$784FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$686Average$778FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$690Average$942FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$694Average$885FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$704Average$807FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$709Average$847FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$747Average$931FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$840Average$1,121FlexibilityNo cancel feeOn-time70%

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