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 $691. Other airlines that can offer you cheap pricing are Cathay Pacific, from $917, and China Eastern, from $948. These flights start at 35% 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 Philippine Airlines ($458), Korean Air ($548), and China Eastern ($558).

What is the cheapest day to fly from Phnom Penh to San Francisco?

Travelers seeking maximum savings on their Phnom Penh to San Francisco flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Phnom Penh to San Francisco?

The most popular airlines flying from Phnom Penh to San Francisco are EVA Air, China Airlines and Cathay Pacific. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Phnom Penh to San Francisco?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

Travelers have found it’s best to book a flight 15 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 15 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Phnom Penh to San Francisco 1-2 weeks in advance for as low as $838, or $1,104 for flights within the next 24 hours.

What is the cheapest month to fly from Phnom Penh to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from Phnom Penh. Users have commonly found prices around $1,074 for the month, but tickets can be as low as $757. Due to multiple factors, prepare for potentially higher prices in August.

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.

$458+ Flights from Phnom Penh to San Francisco

Q: How much does it cost to fly round-trip from Phnom Penh to San Francisco?

Airfare is below average for this route at the moment. Phnom Penh to San Francisco flights typically cost between $1,241 and $1,423 in August. The cheapest round-trip price found within the last 3 days was $691 on Philippine Airlines (Aug 26-Sep 17).

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Find cheap flights from Phnom Penh to San Francisco with Cheapflights

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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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

Round-trip from	$691 (oojo)
One-way from	$458 (oojo)
Popular in	August
Cheapest in	February
Average price	$1,259

From Phnom Penh Pochentong to San Francisco

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One-way flight from Phnom Penh Pochentong to San Francisco

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Highest demand for flights based on searches. 12% potential increase in price ($150 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Tue 8/261:15 amPNH - SFO

1 stop33h 35mPhilippine Airlines

Wed 9/1711:55 pmSFO - PNH

1 stop34h 20mPhilippine Airlines

Deal found 7/27

$691

Fri 9/1211:55 pmPNH - SFO

1 stop29h 35mMultiple Airlines

Fri 9/1911:30 pmSFO - PNH

1 stop32h 40mMultiple Airlines

Deal found 7/27

$747

Sun 8/2411:25 amPNH - SFO

1 stop20h 25mCathay Pacific

Sat 8/3012:05 amSFO - PNH

1 stop27h 15mCathay Pacific

Deal found 7/27

$917

Wed 8/2712:10 amPNH - SFO

1 stop22h 55mChina Eastern

Thu 9/1812:00 pmSFO - PNH

1 stop21h 15mChina Eastern

Deal found 7/28

$948

Wed 12/1011:55 pmPNH - SFO

1 stop30h 05mAsiana Airlines

Mon 12/2211:30 pmSFO - PNH

1 stop32h 25mAsiana Airlines

Deal found 7/28

$963

Sat 12/201:50 pmPNH - SFO

1 stop18h 10mVietnam Airlines

Wed 12/319:10 pmSFO - PNH

1 stop28h 30mVietnam Airlines

Deal found 7/28

$1,071

Best flights from Phnom Penh to San Francisco
Discover carefully curated flight deals from Phnom Penh to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 8/261:15 amPNH - SFO

1 stop33h 35mPhilippine Airlines

Wed 9/1711:55 pmSFO - PNH

1 stop34h 20mPhilippine Airlines

Deal found 7/27

$691

Fri 9/1211:55 pmPNH - SFO

1 stop29h 35mMultiple Airlines

Fri 9/1911:30 pmSFO - PNH

1 stop32h 40mMultiple Airlines

Deal found 7/27

$747

Sun 8/2411:25 amPNH - SFO

1 stop20h 25mCathay Pacific

Sat 8/3012:05 amSFO - PNH

1 stop27h 15mCathay Pacific

Deal found 7/27

$917

Wed 8/2712:10 amPNH - SFO

1 stop22h 55mChina Eastern

Thu 9/1812:00 pmSFO - PNH

1 stop21h 15mChina Eastern

Deal found 7/28

$948

Wed 12/1011:55 pmPNH - SFO

1 stop30h 05mAsiana Airlines

Mon 12/2211:30 pmSFO - PNH

1 stop32h 25mAsiana Airlines

Deal found 7/28

$963

Sat 12/201:50 pmPNH - SFO

1 stop18h 10mVietnam Airlines

Wed 12/319:10 pmSFO - PNH

1 stop28h 30mVietnam Airlines

Deal found 7/28

$1,071

Last-minute flights from Phnom Penh to San Francisco
Discover last-minute flight deals from Phnom Penh to San Francisco. Data last updated July 29, 2025 and is based on user searches.

Sun 8/312:10 amPNH - SFO

1 stop22h 55mChina Eastern

Sat 9/612:00 pmSFO - PNH

1 stop21h 15mChina Eastern

Deal found 7/29

$1,633

Mon 8/412:35 pmPNH - SFO

1 stop22h 00mEVA Air

Fri 9/51:25 amSFO - PNH

1 stop19h 50mEVA Air

Deal found 7/29

$1,235

Mon 8/45:45 pmPNH - SFO

3 stops62h 55mVietnam Airlines

Sat 9/610:50 pmSFO - PNH

2 stops31h 10mVietnam Airlines

Deal found 7/27

$2,331

Mon 8/45:40 pmPNH - SFO

3 stops35h 08mQatar Airways

Sat 9/63:55 pmSFO - PNH

2 stops34h 20mQatar Airways

Deal found 7/28

$2,397

Tue 8/51:15 amPNH - SFO

1 stop33h 35mPhilippine Airlines

Tue 8/2611:55 pmSFO - PNH

1 stop34h 20mPhilippine Airlines

Deal found 7/27

$1,176

Wed 8/68:15 amPNH - SFO

2 stops22h 20mMultiple Airlines

Thu 9/1111:30 pmSFO - PNH

1 stop33h 25mMultiple Airlines

Deal found 7/27

$1,167

Sun 8/2411:25 amPNH - SFO

1 stop20h 25mCathay Pacific

Sat 8/3012:05 amSFO - PNH

1 stop27h 15mCathay Pacific

Deal found 7/27

$917

Tue 8/261:15 amPNH - SFO

1 stop33h 35mPhilippine Airlines

Wed 9/1711:55 pmSFO - PNH

1 stop34h 20mPhilippine Airlines

Deal found 7/27

$691

Wed 8/2712:10 amPNH - SFO

1 stop22h 55mChina Eastern

Thu 9/1812:00 pmSFO - PNH

1 stop21h 15mChina Eastern

Deal found 7/28

$948

Thu 8/2811:30 pmPNH - SFO

1 stop30h 30mMultiple Airlines

Thu 9/1111:30 pmSFO - PNH

1 stop32h 40mMultiple Airlines

Deal found 7/27

$795

Thu 8/285:10 pmPNH - SFO

1 stop17h 20mChina Airlines

Wed 9/101:05 amSFO - PNH

1 stop18h 45mChina Airlines

Deal found 7/27

$1,093

One-way flights from Phnom Penh to San Francisco
Search for one-way flight options from Phnom Penh to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 9/61:15 amPNH - SFO

1 stop33h 35mPhilippine Airlines

Deal found 7/28

$458

Tue 8/269:45 amPNH - SFO

2 stops49h 05mMultiple Airlines

Deal found 7/28

$492

Sun 9/711:30 pmPNH - SFO

1 stop25h 10mKorean Air

Deal found 7/28

$548

Tue 8/266:50 pmPNH - SFO

3 stops52h 15mChina Eastern

Deal found 7/29

$558

Tue 8/2612:35 pmPNH - SFO

1 stop18h 00mEVA Air

Deal found 7/28

$713

Sun 9/76:30 pmPNH - SFO

1 stop18h 25mCathay Pacific

Deal found 7/27

$856

Mon 8/45:10 pmPNH - SFO

2 stops28h 41mChina Airlines

Deal found 7/27

$1,198

Sat 1/35:30 pmPNH - SFO

3 stops38h 30mVietnam Airlines

Deal found 7/29

$1,562

Mon 8/45:40 pmPNH - SFO

3 stops44h 19mQatar Airways

Deal found 7/27

$1,584

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Tue 8/26

1:15 am-8:50 pm

1 stop33h 35m

San Francisco

Wed 9/17

11:55 pm-12:15 am

1 stop34h 20m

$691

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Fri 9/12

11:55 pm-3:30 pm

1 stop29h 35m

San Francisco

Fri 9/19

11:30 pm-10:10 pm

1 stop32h 40m

$747

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Sun 8/24

11:25 am-5:50 pm

1 stop20h 25m

San Francisco

Sat 8/30

12:05 am-5:20 pm

1 stop27h 15m

$917

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 8/27

12:10 am-9:05 am

1 stop22h 55m

San Francisco

Thu 9/18

12:00 pm-11:15 pm

1 stop21h 15m

$948

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Wed 12/10

11:55 pm-3:00 pm

1 stop30h 05m

San Francisco

Mon 12/22

11:30 pm-10:55 pm

1 stop32h 25m

$963

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Sat 12/20

1:50 pm-5:00 pm

1 stop18h 10m

San Francisco

Wed 12/31

9:10 pm-4:40 pm

1 stop28h 30m

$1,071

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Sat 9/6

1:15 am-8:50 pm

1 stop33h 35m

$458

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Tue 8/26

9:45 am-8:50 pm

2 stops49h 05m

$492

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Sun 9/7

11:30 pm-10:40 am

1 stop25h 10m

$548

Phnom PenhSan Francisco

PNH - SFO

PNHSFO

Phnom Penh Pochentong

Tue 8/26

6:50 pm-9:05 am

3 stops52h 15m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 15 results

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?

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 $358). 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?

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.

How much does it cost to fly round-trip from Phnom Penh to San Francisco?

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

Taipei City (TPE) – chosen by Cheapflights users on 59% 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?

Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $809.

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

Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 14h 57m.

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

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 3h 15m.

Reviews of airlines servicing San Francisco

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.

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,221 reviews

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,121 reviews

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

754 reviews

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Asiana Airlines

8.2

Very good

465 reviews

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Cathay Pacific

7.6

Good

948 reviews

EVA Air

8.4

Very good

1,221 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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 $691. Other airlines that can offer you cheap pricing are Cathay Pacific, from $917, and China Eastern, from $948. These flights start at 35% 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 Philippine Airlines ($458), Korean Air ($548), and China Eastern ($558).
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 $358). 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 5 airlines flying from Phnom Penh to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Asiana Airlines	Cheapest$706	Average$745	FlexibilityNo cancel fee	On-time76%
Cathay Pacific	Cheapest$761	Average$916	FlexibilityNo cancel fee	On-time72%
Korean Air	Cheapest$885	Average$987	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$981	Average$1,028	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$1,009	Average$1,186	FlexibilityNo cancel fee	On-time74%

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$458+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phnom Penh to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Phnom Penh to San Francisco

Cheapest flights from Phnom Penh to San FranciscoExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to San Francisco that are best for you.

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.

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 July 25, 2025.

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

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 July 29, 2025.

How much does it cost to fly round-trip 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.

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.

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.

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.

Reviews of airlines servicing San Francisco

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.

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?

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

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

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

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

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

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Alternative routes for Phnom Penh to San Francisco

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Top 5 airlines flying from Phnom Penh to San Francisco

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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 July 29, 2025.