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

PNH — SFO
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

September

Average price

$1,079
Provider with most accurate pricing for Phnom Penh Pochentong-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-San Francisco flights.
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Highest demand for flights based on searches. 10% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust 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’s the top layover airport for flights from Phnom Penh to San Francisco?

Share of 1-stop round-trip flights from Phnom Penh to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Hong Kong (HKG) – chosen by Cheapflights users on 86% of 1-stop itineraries from Phnom Penh to San Francisco on Cheapflights.

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

Average round-trip fare for 1-stop flights from Phnom Penh to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $1,103.

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

Shortest average travel time for 1-stop one-way flights from Phnom Penh to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 19h 22m.

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

Average layover duration for 1-stop one-way flights from Phnom Penh to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 3h 10m.

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 March 13, 2026.
See what other customers who have flown with EVA Air,China Airlines, andCathay 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.
EVA Air
8.5
Very good
1,373 reviews

Overall

8.5

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very good
1,373 reviews
EVA Air
8.5
Very good
1,373 reviews

Overall

8.5

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
China Airlines
8.3
Very good
813 reviews
EVA Air
8.5
Very good
1,373 reviews

Overall

8.5

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Cathay Pacific
7.6
Good
1,206 reviews
EVA Air
8.5
Very good
1,373 reviews

Overall

8.5

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 30% 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 Vietnam Airlines ($544), China Airlines ($548), and Cathay Pacific ($557).

  • 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.

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Alternative routes for Phnom Penh to San Francisco

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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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$740Average$1,002FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$991Average$1,049FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$1,060Average$1,231FlexibilityNo cancel feeOn-time74%

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