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$507+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — SFO
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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The best prices from Phnom Penh Pochentong to San Francisco are usually found in February or November, booked 14 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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(oojo)

One-way from

$507
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,136
Provider with most accurate pricing for Phnom Penh Pochentong-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phnom Penh Pochentong-San Francisco flights.
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From Phnom Penh Pochentong to San Francisco
Search Deals
One-way flight from Phnom Penh Pochentong to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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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 March 4, 2025.

This oojo deal was found by Cheapflights users on 3/4. 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.
Wed 4/211:25 amPNH - SFO
1 stop20h 05mCathay Pacific
Fri 5/211:10 pmSFO - PNH
1 stop28h 10mCathay Pacific
Deal found 3/4$796
This Korean Air deal was found by Cheapflights users on 3/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:30 pmPNH - SFO
1 stop25h 10mKorean Air
Fri 10/3112:40 pmSFO - PNH
1 stop19h 45mKorean Air
Deal found 3/2$860
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:15 amPNH - SFO
1 stop33h 35mMultiple Airlines
Fri 10/3112:40 pmSFO - PNH
1 stop19h 45mMultiple Airlines
Deal found 3/2$1,016
This Booking.com deal was found by Cheapflights users on 3/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:10 amPNH - SFO
1 stop23h 20mChina Eastern
Thu 4/1012:00 pmSFO - PNH
1 stop21h 15mChina Eastern
Deal found 3/3$1,043
This oojo deal was found by Cheapflights users on 3/3. 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.
Wed 4/212:35 pmPNH - SFO
1 stop21h 25mEVA Air
Fri 5/212:30 pmSFO - PNH
1 stop32h 45mEVA Air
Deal found 3/3$1,082
This oojo deal was found by Cheapflights users on 3/4. 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.
Wed 4/23:35 pmPNH - SFO
2 stops22h 41mChina Southern
Thu 5/112:35 amSFO - PNH
3 stops33h 35mChina Southern
Deal found 3/4$1,126
This FlightHub deal was found by Cheapflights users on 3/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:20 pmPNH - SFO
2 stops29h 34mChina Airlines
Fri 1/211:40 pmSFO - PNH
1 stop19h 55mChina Airlines
Deal found 3/4$1,134
This Gurufare deal was found by Cheapflights users on 3/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/272:05 pmPNH - SFO
1 stop33h 35mSingapore Airlines
Fri 7/1111:00 amSFO - PNH
3 stops31h 40mSingapore Airlines
Deal found 3/3$1,591
This FlightHub deal was found by Cheapflights users on 3/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:20 amPNH - SFO
1 stop24h 10mAir China
Fri 5/24:25 pmSFO - PNH
2 stops40h 40mAir China
Deal found 3/4$1,851
This FlightHub deal was found by Cheapflights users on 3/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/275:30 pmPNH - SFO
3 stops63h 10mVietnam Airlines
Sun 2/229:10 pmSFO - PNH
3 stops48h 50mVietnam Airlines
Deal found 3/3$1,878
This Emirates deal was found by Cheapflights users on 3/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/28:50 pmPNH - SFO
3 stops56h 02mEmirates
Fri 5/24:35 pmSFO - PNH
3 stops58h 00mEmirates
Deal found 3/3$2,307
This Qatar Airways deal was found by Cheapflights users on 3/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:40 pmPNH - SFO
3 stops38h 17mQatar Airways
Fri 7/113:54 pmSFO - PNH
3 stops34h 21mQatar Airways
Deal found 3/4$2,992

Find flights from Phnom Penh to San Francisco within your budget

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 March 4, 2025.

Fly from

Phnom Penh

Fly to

San Francisco

Route

Depart

Return

Price

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

11:25 am-5:30 pm

1 stop20h 05m

San Francisco

Fri 5/2

11:10 pm-5:20 pm

1 stop28h 10m

$796

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

12:10 am-9:30 am

1 stop23h 20m

San Francisco

Thu 4/10

12:00 pm-11:15 pm

1 stop21h 15m

$1,043

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Thu 4/3

3:15 pm-8:30 pm

2 stops19h 15m

San Francisco

Wed 4/9

12:50 am-6:35 pm

2 stops27h 45m

$1,061

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

12:35 pm-8:00 pm

1 stop21h 25m

San Francisco

Fri 5/2

12:30 pm-11:15 am

1 stop32h 45m

$1,082

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

3:35 pm-12:16 am

2 stops22h 41m

San Francisco

Thu 5/1

12:35 am-12:10 am

3 stops33h 35m

$1,126

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

11:30 pm-10:40 am

1 stop25h 10m

San Francisco

Fri 5/2

9:10 am-10:10 pm

2 stops23h 00m

$1,346

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Fri 6/27

2:05 pm-9:40 am

1 stop33h 35m

San Francisco

Fri 7/11

11:00 am-8:40 am

3 stops31h 40m

$1,591

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Tue 4/1

12:20 am-10:30 am

1 stop24h 10m

San Francisco

Fri 5/2

4:25 pm-11:05 pm

2 stops40h 40m

$1,851

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Thu 3/27

5:30 pm-6:40 pm

3 stops63h 10m

San Francisco

Sun 2/22

9:10 pm-1:00 pm

3 stops48h 50m

$1,878

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 4/2

8:50 pm-2:52 pm

3 stops56h 02m

San Francisco

Fri 5/2

4:35 pm-4:35 pm

3 stops58h 00m

$2,307

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 24 results
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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*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice 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.

Travel insights for flights from Phnom Penh to San Francisco

Get recent, data-driven insights about flights from Phnom Penh to San Francisco including ideal travel times, pricing trends, and more.

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 February 28, 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 14 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 $402). 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 March 4, 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.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 4, 2025.
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air
8.4
Very good
1,181 reviews
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air
8.4
Very good
1,034 reviews
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines
8.2
Very good
721 reviews
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Asiana Airlines
8.2
Very good
444 reviews
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates
8.1
Very good
3,235 reviews
EVA Air
8.4
Very good
1,181 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Overall

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $796. Other airlines that can offer you cheap pricing are China Eastern, from $1,043, and EVA Air, from $1,082. 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 China Airlines ($549), China Eastern ($573), and China Southern ($602).

  • 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 $402). 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 Phnom Penh?

Book flights to Phnom Penh if you plan to visit one of these locations
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
South San Francisco
Watsonville
Richmond
Hollister
Antioch
Hayward
Milpitas
Vallejo
Newark
Alameda
Campbell
Pacific Grove
Sunnyvale

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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.
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Top 7 airlines flying from Phnom Penh to San Francisco

Discover the top 7 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$679Average$783FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$706Average$751FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$761Average$910FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$829Average$1,030FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$848Average$1,065FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$885Average$987FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,039Average$1,195FlexibilityNo cancel feeOn-time74%
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