San Francisco

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

PNH — SFO
Feb 26 — Mar 51
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Find flight deals from Phnom Penh to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

January

Average price

$761
Provider with most accurate pricing for Phnom Penh Pochentong-San Francisco flight deals.
Provider most trusted by Cheapflights users for Phnom Penh Pochentong-San Francisco flights.
Highest demand for flights based on searches. 13% potential increase in price ($155 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Compare providers for flights from Phnom Penh to San Francisco

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 Phnom Penh to San Francisco in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Phnom Penh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Phnom Penh to San Francisco (average of $605). Flying from Phnom Penh to San Francisco in July is currently the most expensive (average of $1,068). 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated January 27, 2026.
See what other customers who have flown with EVA Air, China Airlines, and Cathay Pacific from Phnom Penh to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Food

8.1

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Food

8.1

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Food

8.1

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to San Francisco. 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 Phnom Penh to San Francisco round-trip?

    Cheapflights users have booked flights from Phnom Penh to San Francisco round-trip from $740. Other airlines that can offer you cheap pricing are China Airlines, from $991, and EVA Air, from $1,060. These flights start at 27% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Phnom Penh to San Francisco are Air China ($389), Philippine Airlines ($407), and Korean Air ($518).

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

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Phnom Penh to San Francisco (average of $605). Flying from Phnom Penh to San Francisco in July is currently the most expensive (average of $1,068). 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.

See more FAQs

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Top 3 airlines flying from Phnom Penh to San Francisco

Discover the top 3 airlines that operate flights from Phnom Penh to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$740Average$946FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$991Average$1,104FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$1,060Average$1,191FlexibilityNo cancel feeOn-time74%

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