Cheap flights from San Francisco to Phnom Penh from $325
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Phnom Penh departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Francisco to Phnom Penh
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Phnom Penh?
In general, February is the cheapest month to fly from San Francisco to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $908. If you aren’t able to travel to Phnom Penh during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $912.
What is the cheapest day to depart on your flight to Phnom Penh?
The cheapest day to depart from San Francisco to Phnom Penh is on a Monday. Travelers who choose to depart for Phnom Penh on a Monday will often find tickets for as low as $1,077. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Phnom Penh for around $1,319.
What is the cheapest time of day to depart on your flight to Phnom Penh?
According to our data, the cheapest time of day to fly to Phnom Penh is in the afternoon. momondo users have found flights departing from San Francisco to Phnom Penh in the afternoon for as low as $989. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly at noon, with an average ticket price of $1,368. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Phnom Penh?
You are more likely to see cheaper flights to Phnom Penh from San Francisco when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,049 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from San Francisco for as low as $913 on momondo.
What is the cheapest airline that flies from San Francisco to Phnom Penh Pochentong?
Singapore Airlines, Vietnam Airlines, and Cathay Pacific are the most popular carriers operating from San Francisco to Phnom Penh Pochentong
What airlines fly to Phnom Penh?
EVA Air, Cathay Pacific and China Airlines are the top three most popular airlines that fly to Phnom Penh from San Francisco according to our data. EVA Air is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Phnom Penh. Keep in mind that there are 9 different airlines that fly to Phnom Penh on a routine basis, so you have a few additional options to choose from.
When to book flights from San Francisco to Phnom Penh
Cheap San Francisco to Phnom Penh (SFO to PNH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Phnom Penh
How far is San Francisco to Phnom Penh Pochentong by plane?
The distance between San Francisco and Phnom Penh Pochentong is about 7850.4 mi. A reasonable flight in good conditions will take 18h 45m.
When did momondo last update prices for flights from San Francisco Airport to Phnom Penh Pochentong Airport?
Prices for flights from San Francisco Airport to Phnom Penh Pochentong Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Phnom Penh Pochentong Airport?
As of June 2025, there are 9 operators available to choose from for flights from San Francisco Airport to Phnom Penh Pochentong Airport.
How old do you have to be to fly from San Francisco Airport to Phnom Penh Pochentong Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Phnom Penh Pochentong Airport.
What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?
The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from San Francisco to Phnom Penh?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to Phnom Penh is EVA Air (42% of total bookings). The next most popular airlines are Cathay Pacific (18%), China Airlines (16%), and Singapore Airlines (10%).
Best airlines flying from San Francisco to Phnom Penh
Compare and see reviews for airlines that fly from San Francisco to Phnom Penh with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $563 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 7.2 150 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $704 | Free Cancellation | Rating 7.5 194 reviews | |||
| PriceFrom $715 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $720 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $748 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $841 | Free Cancellation | Rating 8.3 738 reviews | |||
| PriceFrom $906 | Free Cancellation | Rating 8.4 1,202 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Phnom Penh?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Phnom Penh for you.
Can I find flights from San Francisco to Phnom Penh with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Francisco to Phnom Penh flights to just show those with flexible booking policies.
How can momondo help me find flights from San Francisco to Phnom Penh?
momondo helps you find the best flight between San Francisco and Phnom Penh by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to Phnom Penh right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Francisco to Phnom Penh now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phnom Penh and let you know when they change.