The cheapest times to fly from SFO to PNH are

  • January 15th to April 29th
  • September 24th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to PNH is early to mid March. Prices can be as high as $1521 for Saturday flights during mid December, or as low as $690 for Tuesday flights around early to mid March.


When to Fly to Phnom Penh

Flying from San Francisco, CA (SFO) to Phnom Penh (PNH) will usually cost between $694 to $1078 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid March with an average ticket price of $699. Due to high demand the most expensive time to fly is mid December, with an average price of $1350. Planning your trip to low-cost times can easily save you $651 on economy flights and even more on first-class flights. Generally, any price below $748 can be considered a good price for a round-trip SFO to PNH flight.

See below for a graph of average weekly prices for the SFO to PNH route. All prices are for round-trip tickets in USD.

SFO to PNH Flight Prices

Compared to other flights, the SFO to PNH flight is cheaper than the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.06, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to PNH, and Monday the cheapest day to fly back into SFO. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $86 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $772. Return trip prices are from the PNH to SFO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SFO to PNH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 9 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SFO to PNH while comparing.

Destination alternative #1: Tan Son Nhat International Airport (SGN) in Ho Chi Minh City

  • 132 miles (212 km) away from PNH
  • Usually 9.90% less expensive than PNH
  • 1-layover flights available

See SFO to SGN flights


Flight Questions Answered

Still have questions about flying from SFO to PNH? We’ve got answers.

Which airlines fly this route?

You can find 31 major airlines flying this route most often: Air Canada, Air China, Alaska, American, ANA, Asiana, Austrian, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, Etihad, EVA Air, JAL, KLM, Korean Air, Malaysia Airlines, Philippine Airlines, Qatar Airways, Royal Air Maroc, Shenzhen, Singapore Airlines, THAI, United, Vietnam Airlines, WestJet, Xiamen, and potentially more during busy seasons.

How far away is it from Phnom Penh International Airport to San Francisco International Airport?

The distance between the two airports is roughly 7867 miles or 12661 kilometers.

How long does it take to fly from SFO to PNH?

The real-world flight time for a nonstop SFO to PNH flight is about 15 hour 9 minutes.

How many flights go between San Francisco, CA and Phnom Penh?

It depends on the day of the week and the date, but a typical day might have around 77 available flights from SFO to PNH.


Airport Location Info


Departing Airport

Origination code SFO
Origination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4

Return Airport

Destination code PNH
Destination airport name Phnom Penh International Airport
City Phnom Penh
Country Cambodia
Latitude 11.5
Longitude 104.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.