CA $568 Cheap Flights from San Francisco (SFO) to Phnom Penh (PNH)

View CA $568 flight on Mon, Oct. 13, 2025Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Phnom Penh Intl. Airport (PNH)

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Cheap flights from San Francisco (SFO) to Phnom Penh (PNH)

Prices were available within the past 7 days and start at CA $568 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Francisco (SFO) to Phnom Penh (PNH)

January is typically the cheapest month to fly

From CA $880 - CA $2,358 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to Phnom Penh (SFO - PNH) route information
Origin airport
San Francisco Intl.
Destination airport
Phnom Penh Intl.
Distance
12588 km

San Francisco to Phnom Penh Flights

The easy way to book your flights from San Francisco to Phnom Penh 

With Expedia, it’s simple to find and book flights to Phnom Penh from San Francisco whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Phnom Penh Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Francisco to Phnom Penh today, tomorrow, or this week.  

 

Save dollars with cheap flights from San Francisco Intl., SFO to Phnom Penh Intl., PNH 

Sort your search results by price to find great deals on your flight from San Francisco to Phnom Penh—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Phnom Penh from San Francisco currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Phnom Penh  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Phnom Penh from San Francisco 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Phnom Penh with Expedia today.

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Phnom Penh Intl. Airport (PNH)?
If you're planning on travelling from SFO to Phnom Penh Intl. Airport (PNH), round-trip journeys start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to Phnom Penh Airport?
Each air carrier has its own set of terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from San Francisco Intl. Airport (SFO) to PNH that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from San Francisco Airport to Phnom Penh Airport. This allows you to secure a low rate ahead of time and still have the freedom to make changes without any extra fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from San Francisco Intl. Airport (SFO) to Phnom Penh Airport?
Make the 18 hours and 25 minutes between San Francisco Airport and PNH as comfortable as you can. Pack the essentials, like warm clothes, a pillow and earplugs, and simply enjoy the flight!
How far is the flight from San Francisco Airport to Phnom Penh Airport?
With around 12,700 kilometres separating SFO and PNH, your flight will be a long one. Pack wisely and make your time on board comfortable. Little things like an extra pair of socks and a good neck pillow can make a massive difference.
Which airlines fly direct from SFO to PNH?
Unfortunately, there aren't any airlines that directly fly between San Francisco Intl. Airport (SFO) and Phnom Penh Airport. You'll have to book a flight with one or more stops.
Are SFO to Phnom Penh Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from San Francisco Airport to Phnom Penh Airport last minute could save you some cash. However, it might cost you a whole lot more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

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