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Cheap flights from San Francisco to Phnom Penh from $6,656

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Francisco to Phnom Penh

Cheap round-trip flights

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Multiple Airlines Logo
SFO
-
PNH
7863 mimulti-stop
Multiple Airlines Logo
PNH
-
SFO
7863 mimulti-stop
Multiple Airlines

momondo 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, momondo users made 832,500 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from San Francisco to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way
Quickest one-way

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Thu 7/16

4:35 pm-10:00 am

2 stops51h 25m

$6,656

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Phnom Penh from

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 $686. If you aren’t able to travel to Phnom Penh during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $742.

How far in advance should I book a flight from San Francisco 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 $986 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 $744 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?

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

Fastest flight time

48h 30m

Direct flights

None
The fastest flight from San Francisco to Phnom Penh takes 48h 30m
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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Frequently asked questions about flying 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 7851.3 mi. A reasonable flight in good conditions will take 48h 30m.

  • 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
Singapore AirlinesPriceFrom $521Free CancellationRating
8.2
1,532 reviews
Search Singapore Airlines flights
China EasternPriceFrom $682Free CancellationRating
7.3
222 reviews
Search China Eastern flights
Cathay PacificPriceFrom $709Free CancellationRating
7.6
1,357 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom $738Free CancellationRating
7.7
271 reviews
Search Vietnam Airlines flights
EVA AirPriceFrom $997Free CancellationRating
8.5
1,464 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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