Q: How much does it cost to fly round-trip from San Francisco to Phnom Penh?

Airfare is above average for this route at the moment. San Francisco to Phnom Penh flights typically cost between $1,023 and $811 in July. The cheapest round-trip price found within the last 3 days was $8,289 on Multiple Airlines (Jul 8-Aug 5).

Question 1

What’s the cheapest layover airport for flights from San Francisco to Phnom Penh?

Accepted Answer

Manila (MNL) is the most affordable 1-stop option, with an average round-trip price of $711.

Question 2

What’s the top layover airport for flights from San Francisco to Phnom Penh?

Accepted Answer

Taipei City (TPE) – chosen by Cheapflights users on 87% of 1-stop itineraries from San Francisco to Phnom Penh on Cheapflights.

Question 3

What’s the fastest layover option from San Francisco to Phnom Penh?

Accepted Answer

Flights via Incheon (ICN) have the shortest average one-way travel time for 1-stop routes: 19h 20m.

Question 4

How much does it cost to fly round-trip from San Francisco to Phnom Penh?

Accepted Answer

Airfare is above average for this route at the moment.San Francisco to Phnom Penh flights typically cost between $1,023 and $811 in July.
The cheapest round-trip price found within the last 3 days was $8,289 on Multiple Airlines (Jul 8-Aug 5).

Question 5

Which airport typically offers the quickest layover for flights from San Francisco to Phnom Penh?

Accepted Answer

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 3h 16m.

Question 6

What are the cheapest airlines flying from San Francisco to Phnom Penh round-trip?

Accepted Answer

Currently priced at $565, Singapore Airlines will fly you from San Francisco to Phnom Penh and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and Cathay Pacific - these airlines can fly you to your destination from $674 and $710, respectively. These flights start at 42% lower than the current average price 3 months from now.

Question 7

What are the cheapest airlines to fly from San Francisco to Phnom Penh one-way?

Accepted Answer

The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $306. However, be on the lookout for offers from Cathay Pacific and Korean Air, as they are both options that can get you from San Francisco to Phnom Penh for a low price.

Question 8

How far ahead should I book a flight from San Francisco to Phnom Penh?

Accepted Answer

To ensure you get the cheapest price possible for a flight from San Francisco to Phnom Penh, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 9

What is the cheapest month to book a flight from San Francisco to Phnom Penh?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Francisco to Phnom Penh (average of $521). Flying from San Francisco to Phnom Penh in June is currently the most expensive (average of $1,004). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Question 12

What are the most popular airlines that fly from San Francisco to Phnom Penh?

Accepted Answer

Consider EVA Air, Cathay Pacific or China Airlines when booking your flight. These represent the most popular airlines when flying from San Francisco to Phnom Penh.

Question 13

Where are the most common layover locations when flying from San Francisco to Phnom Penh?

Accepted Answer

Most of the time, San Francisco to Phnom Penh flights that have layovers will stop in Taipei City. San Francisco to Phnom Penh flights stop in Hong Kong the next most.

Question 14

Where are the least popular layover locations for San Francisco to Phnom Penh flights?

Accepted Answer

San Francisco to Phnom Penh flights have a layover in Seoul the least frequently. Singapore follows Seoul in terms of the least common layover location on San Francisco to Phnom Penh flights.

Question 15

What are some popular things to do or see while on a layover in Taipei City?

Accepted Answer

If you're on a layover in Taipei City and looking for things to do, consider visiting Taipei 101, Raohe Street Night Market, or Shilin Night Market. Taipei 101, Raohe Street Night Market, and Shilin Night Market can be visited by traveling about 21.0 mi, 21.6 mi, and 18.3 mi respectively from Taipei City Taiwan Taoyuan Intl. Those looking to explore during their layover in Taipei City can rent a car from Taipei City Taiwan Taoyuan Intl for about $71 per day.

Question 16

What are some popular points of interest to see during a layover in Hong Kong?

Accepted Answer

Hong Kong travelers tend to visit Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market more than any other notable places. Hong Kong Disneyland, Shatin Baptist Church and Fa Yeun Street Market are located about 7.8 mi, 18.3 mi, and 16.2 mi, respectively from Hong Kong Intl if you are interested in checking them out.

Question 17

What is the cheapest time of day to fly from SFO to PNH?

Accepted Answer

When flying from San Francisco to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 18

E

Accepted Answer

Most accurate provider: When it comes to deals on San Francisco-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Phnom Penh flight searches over the past month and is updated monthly.

Question 19

E

Accepted Answer

Most trusted provider: When it comes to deals on San Francisco-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 20

Can I find deals for flights from San Francisco to Phnom Penh that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Francisco to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 21

How can I find direct flights from San Francisco to Phnom Penh?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Phnom Penh.

Question 22

Can I find deals for business class flights from San Francisco to Phnom Penh?

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$8,289 (oojo)
Popular in	June
Cheapest in	February
Average price	$938

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
oojo	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*3 stars
Gurufare	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$565	Average$695	FlexibilityNo cancel fee	On-time81%
China Eastern	Cheapest$674	Average$726	FlexibilityNo cancel fee	On-time62%
Cathay Pacific	Cheapest$710	Average$819	FlexibilityNo cancel fee	On-time72%
Vietnam Airlines	Cheapest$736	Average$762	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$737	Average$877	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$738	Average$793	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$764	Average$1,293	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$906	Average$1,052	FlexibilityNo cancel fee	On-time74%

$8,289+ Cheap flights from San Francisco (SFO) to Phnom Penh (PNH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Phnom Penh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Phnom Penh

Cheapest flights from San Francisco to Phnom PenhExplore the most affordable flight options available from San Francisco to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

Explore the most affordable flight options available from San Francisco to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

Best flights from San Francisco to Phnom PenhDiscover carefully curated flight deals from San Francisco to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.

Discover carefully curated flight deals from San Francisco to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.

Find flight deals from San Francisco to Phnom Penh

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Phnom Penh that are best for you.

Compare providers for flights from San Francisco to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Phnom Penh in April.

Best time to book a flight from San Francisco to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Phnom Penh

How far ahead should I book a flight from San Francisco to Phnom Penh?

What is the cheapest month to book a flight from San Francisco to Phnom Penh?

How much does it cost to fly round-trip from San Francisco to Phnom Penh?

What’s the top layover airport for flights from San Francisco to Phnom Penh?

What’s the cheapest layover airport for flights from San Francisco to Phnom Penh?

What’s the fastest layover option from San Francisco to Phnom Penh?

Which airport typically offers the quickest layover for flights from San Francisco to Phnom Penh?

Reviews of airlines servicing Phnom Penh

Get a feel of what it's like to fly with EVA Air,Korean Air, andChina Airlines from San Francisco to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from San Francisco to Phnom Penh round-trip?

What are the cheapest airlines to fly from San Francisco to Phnom Penh one-way?

Where are the most common layover locations when flying from San Francisco to Phnom Penh?

What are some popular things to do or see while on a layover in Taipei City?

What are some popular points of interest to see during a layover in Hong Kong?

Where are the least popular layover locations for San Francisco to Phnom Penh flights?

Can I find deals for flights from San Francisco to Phnom Penh that include hotel bookings?

How can I find direct flights from San Francisco to Phnom Penh?

Can I find deals for business class flights from San Francisco to Phnom Penh?

What is the cheapest month to book a flight from San Francisco to Phnom Penh?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from San Francisco to Phnom Penh by cabin class

Find flights from San Francisco to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Francisco and Phnom Penh flights

Browse other San Francisco and Phnom Penh flight options. Last updated on April 2, 2026.

Other flights from San Francisco

Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on April 2, 2026.

Other flights to Phnom Penh

Explore flights to Phnom Penh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 2, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 8 airlines flying from San Francisco to Phnom Penh

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Francisco to Phnom Penh
Explore the most affordable flight options available from San Francisco to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

Best flights from San Francisco to Phnom Penh
Discover carefully curated flight deals from San Francisco to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.