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Phnom Penh

$325+ Cheap flights from San Francisco (SFO) 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PNH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Phnom Penh Pochentong are usually found in February or September, booked 69 days in advance, depart on a Monday or Saturday and return on a Saturday

Cheap flight deals from San Francisco to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Phnom Penh (PNH). 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 June 12, 2025.

Round-trip from

$800
(oojo)

One-way from

$325
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,427
From San Francisco to Phnom Penh Pochentong
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One-way flight from San Francisco to Phnom Penh Pochentong
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Highest demand for flights based on searches. 5% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 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 San Francisco to Phnom Penh

Cheapest flights from San Francisco to Phnom Penh
Explore the most affordable flight options available from San Francisco to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This oojo deal was found by Cheapflights users on 6/9. 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 7/2211:30 amSFO - PNH
1 stop40h 10mSingapore Airlines
Mon 11/247:45 pmPNH - SFO
1 stop27h 05mSingapore Airlines
Deal found 6/9$800
This Vietnam Airlines 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:50 pmSFO - PNH
1 stop30h 50mVietnam Airlines
Wed 9/172:10 pmPNH - SFO
1 stop18h 30mVietnam Airlines
Deal found 6/10$802
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:55 amSFO - PNH
2 stops24h 20mChina Eastern
Wed 10/1512:40 pmPNH - SFO
2 stops34h 25mChina Eastern
Deal found 6/10$807
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:20 amSFO - PNH
1 stop19h 55mCathay Pacific
Wed 10/156:30 pmPNH - SFO
1 stop37h 00mCathay Pacific
Deal found 6/11$812
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:30 pmSFO - PNH
1 stop33h 25mMultiple Airlines
Wed 10/158:15 amPNH - SFO
2 stops21h 15mMultiple Airlines
Deal found 6/11$834
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:30 pmSFO - PNH
1 stop32h 25mAsiana Airlines
Tue 2/2411:55 pmPNH - SFO
2 stops29h 04mAsiana Airlines
Deal found 6/12$839
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:50 pmSFO - PNH
1 stop19h 20mKorean Air
Tue 10/711:30 pmPNH - SFO
2 stops47h 06mKorean Air
Deal found 6/12$873
This oojo deal was found by Cheapflights users on 6/9. 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.
Fri 8/81:05 amSFO - PNH
1 stop18h 45mChina Airlines
Thu 12/115:20 pmPNH - SFO
1 stop16h 30mChina Airlines
Deal found 6/9$889
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:25 pmSFO - PNH
1 stop33h 50mPhilippine Airlines
Fri 2/201:15 amPNH - SFO
1 stop34h 00mPhilippine Airlines
Deal found 6/12$962
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:00 pmSFO - PNH
2 stops32h 10mAir China
Tue 10/1412:20 amPNH - SFO
1 stop24h 10mAir China
Deal found 6/11$1,033

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 12, 2025.
Use the filters below to find and compare flights from San Francisco to Phnom Penh that are best for you.

Fly from

San Francisco

Fly to

Phnom Penh

Route

Depart

Return

Price

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Tue 7/22

11:30 am-5:40 pm

1 stop40h 10m

Phnom Penh Pochentong

Mon 11/24

7:45 pm-7:50 am

1 stop27h 05m

$800

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sat 9/6

10:50 pm-7:40 pm

1 stop30h 50m

Phnom Penh Pochentong

Thu 9/18

2:10 pm-6:40 pm

1 stop18h 30m

$802

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Wed 9/24

8:55 am-11:15 pm

2 stops24h 20m

Phnom Penh Pochentong

Wed 10/15

12:40 pm-9:05 am

2 stops34h 25m

$807

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Tue 9/23

12:20 am-10:15 am

1 stop19h 55m

Phnom Penh Pochentong

Wed 10/15

6:30 pm-5:30 pm

1 stop37h 00m

$812

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Wed 9/24

11:30 pm-10:55 pm

1 stop33h 25m

Phnom Penh Pochentong

Wed 10/15

8:15 am-3:30 pm

2 stops21h 15m

$834

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sat 10/25

11:30 pm-10:55 pm

1 stop33h 25m

Phnom Penh Pochentong

Tue 12/9

11:55 pm-3:00 pm

1 stop30h 05m

$850

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Mon 8/4

6:50 pm-10:10 pm

2 stops37h 20m

Phnom Penh Pochentong

Mon 8/25

11:30 pm-11:00 am

1 stop25h 30m

$883

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Fri 8/8

1:05 am-9:50 am

1 stop18h 45m

Phnom Penh Pochentong

Thu 12/11

5:20 pm-6:50 pm

1 stop16h 30m

$889

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Sat 9/6

12:35 am-2:30 pm

1 stop23h 55m

Phnom Penh Pochentong

Sun 11/23

3:50 pm-7:40 pm

2 stops42h 50m

$1,025

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Wed 9/24

1:00 pm-11:10 am

2 stops32h 10m

Phnom Penh Pochentong

Tue 10/14

12:20 am-10:30 am

1 stop24h 10m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 results
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Best time to book a flight from San Francisco to Phnom Penh

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Phnom Penh. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Phnom Penh, you should look to book at least 69 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 San Francisco to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from San Francisco to Phnom Penh (average of $991). Flying from San Francisco to Phnom Penh in June is currently the most expensive (average of $1,570). 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 SFO to PNH?

Find hourly flight availability from San Francisco 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 12, 2025.

It’s optimal to fly from San Francisco to Phnom Penh in the afternoon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.

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 12, 2025.
Read through reviews of airlines operating flights from San Francisco to Phnom Penh, such as EVA Air, Korean Air and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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
1,302 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

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 San Francisco 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 are the cheapest airlines flying from San Francisco to Phnom Penh round-trip?

    Currently priced at $800, Singapore Airlines will fly you from San Francisco to Phnom Penh and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Vietnam Airlines and China Eastern - these airlines can fly you to your destination from $802 and $807, respectively. These flights start at 23% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $325. However, be on the lookout for offers from Vietnam Airlines and Cathay Pacific, as they are both options that can get you from San Francisco to Phnom Penh for a low price.

  • Where are the most common layover locations when flying from San Francisco to Phnom Penh?

    Most of the time, San Francisco to Phnom Penh flights that have layovers will stop in Taipei City. San Francisco to Phnom Penh flights stop in Hong Kong the next most.

  • What are some popular things to do or see while on a layover in Taipei City?

    If you're on a layover in Taipei City and looking for things to do, consider visiting Taipei 101, Shilin Night Market, or Raohe Street Night Market. Taipei 101, Shilin Night Market, and Raohe Street Night Market can be visited by traveling about 21.0 mi, 18.3 mi, and 21.6 mi respectively from Taipei City Taiwan Taoyuan Intl. Those looking to explore during their layover in Taipei City can rent a car from Taipei City Taiwan Taoyuan Intl for about $69 per day.

  • What are some popular points of interest to see during a layover in Hong Kong?

    Hong Kong travelers tend to visit Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park more than any other notable places. Hong Kong Disneyland, Shatin Baptist Church and Ocean Park are located about 7.8 mi, 18.3 mi, and 16.9 mi, respectively from Hong Kong Intl if you are interested in checking them out.

  • Where are the least popular layover locations for San Francisco to Phnom Penh flights?

    San Francisco to Phnom Penh flights have a layover in Singapore the least frequently.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from San Francisco to Phnom Penh (average of $991). Flying from San Francisco to Phnom Penh in June is currently the most expensive (average of $1,570). 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

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Top 9 airlines flying from San Francisco to Phnom Penh

Discover the top 9 airlines that operate flights from San Francisco 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$563Average$1,053FlexibilityNo cancel feeOn-time69%
China EasternCheapest$662Average$770FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$694Average$886FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$704Average$807FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$715Average$934FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$720Average$832FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$748Average$806FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$841Average$1,205FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$906Average$1,059FlexibilityNo cancel feeOn-time74%

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