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Cheap flights from San Francisco to Phnom Penh from $775

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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, October 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 $814. If you aren’t able to travel to Phnom Penh during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $863.

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 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,013 when searching 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 $840 on momondo.

Can stopping save me money on San Francisco to Phnom Penh flights?

You could potentially save up to 17% on your flight if you consider stops on a San Francisco to Phnom Penh flight.

How have San Francisco to Phnom Penh flight prices changed over time?

As of November 2025, prices for San Francisco to Phnom Penh flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from San Francisco to Phnom Penh. There are no popular flight routes from San Francisco to Phnom Penh.
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  • 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.

  • 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?

  • 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?

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
China SouthernPriceFrom $563Free CancellationRating
7.5
119 reviews
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Singapore AirlinesPriceFrom $565Free CancellationRating
8.1
1,391 reviews
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China EasternPriceFrom $662Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $694Free CancellationRating
8.2
484 reviews
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Cathay PacificPriceFrom $709Free CancellationRating
7.6
1,050 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom $736Free CancellationRating
7.5
210 reviews
Search Vietnam Airlines flights
Korean AirPriceFrom $746Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
China AirlinesPriceFrom $799Free CancellationRating
8.3
776 reviews
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EVA AirPriceFrom $906Free CancellationRating
8.4
1,270 reviews
Search EVA Air flights

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.

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