San Francisco

$587+ Cheap flights from Phnom Penh (PNH) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — SFO
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Phnom Penh Pochentong to San Francisco are usually found in February or November, booked 77 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$2,465
(oojo)

One-way from

$587
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,090
From Phnom Penh Pochentong to San Francisco
One-way flight from Phnom Penh Pochentong to San Francisco
Highest demand for flights based on searches. 11% potential increase in price ($133 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Phnom Penh to San Francisco

Cheapest flights from Phnom Penh to San Francisco
Explore the most affordable flight options available from Phnom Penh to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Ovago deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 pmPNH - SFO
2 stops30h 50mMultiple Airlines
Fri 1/169:40 pmSFO - PNH
3 stops50h 00mMultiple Airlines
Deal found 9/8$1,711
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:55 amPNH - SFO
2 stops46h 41mEtihad Airways
Fri 11/711:18 pmSFO - PNH
2 stops40h 12mEtihad Airways
Deal found 9/9$2,465
This oojo deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:55 amPNH - SFO
2 stops55h 04mEtihad Airways
Fri 1/1610:40 pmSFO - PNH
2 stops40h 50mEtihad Airways
Deal found 9/8$2,477
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:50 pmPNH - SFO
2 stops39h 16mEtihad Airways
Fri 12/266:10 amSFO - PNH
2 stops57h 20mEtihad Airways
Deal found 9/11$2,534
This Priceline deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:55 pmPNH - SFO
2 stops39h 35mMultiple Airlines
Fri 10/3111:39 pmSFO - PNH
2 stops40h 51mMultiple Airlines
Deal found 9/8$4,496

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phnom Penh to San Francisco 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Phnom Penh to San Francisco that are best for you.

Fly from

Phnom Penh

Fly to

San Francisco

Route

Depart

Return

Price

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Mon 11/3

7:55 am-3:36 pm

2 stops46h 41m

San Francisco

Fri 11/7

11:18 pm-6:30 am

2 stops40h 12m

$2,465

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Fri 10/24

1:55 pm-3:30 pm

2 stops39h 35m

San Francisco

Fri 10/31

11:39 pm-6:30 am

2 stops40h 51m

$4,496

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Tue 9/16

1:55 pm-8:30 pm

2 stops20h 35m

$587

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 10/8

1:55 pm-8:30 pm

2 stops20h 35m

$623

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Fri 11/7

7:55 am-11:59 pm

2 stops55h 04m

$1,445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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

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

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to San Francisco. Price data was last updated on August 29, 2025.

The price you pay for your flight from Phnom Penh to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to San Francisco (average of $276). Flying from Phnom Penh to San Francisco in June is currently the most expensive (average of $357). 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 September 11, 2025.

It’s optimal to fly from Phnom Penh to San Francisco in the evening. By choosing this option you can save up to 21% 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 September 11, 2025.
See what other customers who have flown with EVA Air, Korean Air, and China 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.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.
  • How long is the flight from Phnom Penh to San Francisco?

    For as low as $2,465, Etihad Airways can have you in San Francisco from Phnom Penh in 46h 41m. There are 7863 mi between Phnom Penh and San Francisco.

  • 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 $706. Other airlines that can offer you cheap pricing are Cathay Pacific, from $761, and Korean Air, from $880. These flights start at 34% lower than the current average price 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from Phnom Penh to San Francisco (average of $276). Flying from Phnom Penh to San Francisco in June is currently the most expensive (average of $357). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
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Turlock
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Santa Clara
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phnom Penh to San Francisco

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

Top 5 airlines flying from Phnom Penh to San Francisco

Discover the top 5 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$706Average$745FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$761Average$915FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$880Average$973FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$981Average$1,044FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$991Average$1,190FlexibilityNo cancel feeOn-time74%

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