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

PNH — SFO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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”

2. Select your favorite providers

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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 December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Popular in

December

Cheapest in

January

Average price

$1,427
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. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December.
ProviderPrice AccuracyTrust Score*
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
GurufarePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Phnom Penh-San Francisco flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

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

Find hourly flight availability from Phnom Penh to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Phnom Penh to San Francisco in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

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 December 12, 2025.
See what other customers who have flown with EVA Air, China Airlines, and Asiana Airlines 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
1,296 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,296 reviews
EVA Air
8.5
Very good
1,296 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
China Airlines
8.2
Very good
788 reviews
EVA Air
8.5
Very good
1,296 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Asiana Airlines
8.2
Very good
492 reviews
EVA Air
8.5
Very good
1,296 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,095 reviews
EVA Air
8.5
Very good
1,296 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 Asiana Airlines, from $744, and China Airlines, from $987. 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 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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Alternative routes for Phnom Penh to San Francisco

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Top 4 airlines flying from Phnom Penh to San Francisco

Discover the top 4 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$740Average$934FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$744Average$758FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$987Average$1,104FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$1,060Average$1,265FlexibilityNo cancel feeOn-time74%

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