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Cheap flights from San Francisco to Phnom Penh from $313

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Phnom Penh departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Phnom Penh

Cheap round-trip flights

Singapore Airlines Logo
11:30 am - 8:40 amSFO-PNH
31h 10m1 stop
Singapore Airlines Logo
2:05 pm - 9:40 amPNH-SFO
33h 35m1 stop
$570Singapore Airlines
Find Deal
Sun, Sep 7 - Tue, Oct 7
Singapore Airlines Logo
11:30 am - 5:40 pmSFO-PNH
40h 10m1 stop
Singapore Airlines Logo
6:55 pm - 9:40 amPNH-SFO
28h 45m1 stop
$586Singapore Airlines
Find Deal
Fri, Sep 5 - Sat, Oct 18
Cathay Pacific Logo
12:20 am - 5:20 pmSFO-PNH
27h 00m1 stop
Cathay Pacific Logo
11:25 am - 10:40 pmPNH-SFO
25h 15m1 stop
$709Cathay Pacific
Find Deal
Mon, Sep 15 - Tue, Oct 7
China Eastern Logo
12:00 pm - 11:15 pmSFO-PNH
21h 15m1 stop
China Eastern Logo
12:10 am - 9:05 amPNH-SFO
22h 55m1 stop
$722China Eastern
Find Deal
Sat, Aug 23 - Fri, Oct 10
China Eastern Logo
12:00 pm - 11:15 pmSFO-PNH
21h 15m1 stop
China Eastern Logo
6:50 pm - 9:05 amPNH-SFO
52h 15m2 stops
$733China Eastern
Find Deal
Sat, Aug 23 - Sat, Oct 11
Vietnam Airlines Logo
10:50 pm - 12:55 pmSFO-PNH
24h 05m1 stop
Vietnam Airlines Logo
8:45 pm - 6:40 pmPNH-SFO
35h 55m1 stop
$745Vietnam Airlines
Find Deal
Thu, Aug 21 - Sat, Sep 20
Cathay Pacific Logo
1:05 am - 10:15 amSFO-PNH
19h 10m1 stop
Cathay Pacific Logo
11:25 am - 5:30 pmPNH-SFO
20h 05m1 stop
$754Cathay Pacific
Find Deal
Thu, Aug 28 - Mon, Sep 29
Korean Air Logo
6:58 pm - 10:10 pmSFO-PNH
37h 12m2 stops
Korean Air Logo
11:30 pm - 10:40 amPNH-SFO
25h 10m1 stop
$783Korean Air
Find Deal
Tue, Aug 26 - Tue, Sep 16
Vietnam Airlines Logo
10:50 pm - 12:55 pmSFO-PNH
24h 05m1 stop
Vietnam Airlines Logo
8:45 pm - 6:40 pmPNH-SFO
35h 55m1 stop
$785Vietnam Airlines
Find Deal
Sat, Aug 23 - Sat, Oct 11
Korean Air Logo
11:40 am - 10:25 pmSFO-PNH
19h 45m1 stop
Korean Air Logo
11:45 pm - 10:03 amPNH-SFO
49h 18m2 stops
$794Korean Air
Find Deal
Tue, Nov 25 - Wed, Feb 25

Korean Air flights from San Francisco to Phnom Penh

Our best Korean Air deals on San Francisco to Phnom Penh flight tickets
Korean Air
Aug 26
SFO6:58 pmSan Francisco
37h 12m
2 stops
PNH10:10 pmPhnom Penh Pochentong
Sep 16
PNH11:30 pmPhnom Penh Pochentong
25h 10m
1 stop
SFO10:40 amSan Francisco
Korean Air
Nov 25
SFO11:40 amSan Francisco
19h 45m
1 stop
PNH10:25 pmPhnom Penh Pochentong
Feb 25
PNH11:45 pmPhnom Penh Pochentong
49h 18m
2 stops
SFO10:03 amSan Francisco
Korean Air
Oct 30
SFO4:15 pmSan Francisco
40h 10m
2 stops
PNH10:25 pmPhnom Penh Pochentong
Nov 9
PNH11:45 pmPhnom Penh Pochentong
47h 11m
2 stops
SFO7:56 amSan Francisco

EVA Air flights from San Francisco to Phnom Penh

Our best EVA Air deals on San Francisco to Phnom Penh flight tickets
EVA Air
Jul 13
SFO1:00 amSan Francisco
20h 15m
1 stop
PNH11:15 amPhnom Penh Pochentong
Jul 28
PNH12:35 pmPhnom Penh Pochentong
33h 54m
2 stops
SFO8:29 amSan Francisco
EVA Air
Jul 13
SFO1:25 amSan Francisco
19h 50m
1 stop
PNH11:15 amPhnom Penh Pochentong
Jul 28
PNH12:35 pmPhnom Penh Pochentong
22h 00m
1 stop
SFO8:35 pmSan Francisco
EVA Air
Jul 6
SFO1:00 amSan Francisco
20h 15m
1 stop
PNH11:15 amPhnom Penh Pochentong
Jul 30
PNH12:35 pmPhnom Penh Pochentong
22h 00m
1 stop
SFO8:35 pmSan Francisco

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from San Francisco to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

In general, February is the cheapest month to fly from San Francisco to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $908. If you aren’t able to travel to Phnom Penh during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $909.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from San Francisco to Phnom Penh is on a Monday. Travelers who choose to depart for Phnom Penh on a Monday will often find tickets for as low as $1,077. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Phnom Penh for around $1,319.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the afternoon. momondo users have found flights departing from San Francisco to Phnom Penh in the afternoon for as low as $989. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly at noon, with an average ticket price of $1,368. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Phnom Penh from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,048 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from San Francisco for as low as $913 on momondo.

How have San Francisco to Phnom Penh flight prices changed over time?

As of June 2025, prices for San Francisco to Phnom Penh flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Phnom Penh

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Phnom Penh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Phnom Penh (SFO to PNH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Phnom Penh

Best Price Found

$313

Fastest flight time

19h 00m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from San Francisco in the past 72 hours is $313. The best round-trip flight deal from San Francisco to Phnom Penh found on momondo in the last 72 hours is $570.
The fastest flight from San Francisco to Phnom Penh takes 19h 00m
There are no direct flights from San Francisco to Phnom Penh. Popular non-direct route for this connection is San Francisco Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

  • How far is San Francisco to Phnom Penh Pochentong by plane?

    The distance between San Francisco and Phnom Penh Pochentong is about 7850.4 mi. A reasonable flight in good conditions will take 19h 10m.

  • When did momondo last update prices for flights from San Francisco Airport to Phnom Penh Pochentong Airport?

    Prices for flights from San Francisco Airport to Phnom Penh Pochentong Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from San Francisco Airport to Phnom Penh Pochentong Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Phnom Penh?


Best airlines flying from San Francisco to Phnom Penh

Compare and see reviews for airlines that fly from San Francisco to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom $563Free CancellationRating
7.6
100 reviews
Search China Southern flights
China EasternPriceFrom $662Free CancellationRating
7.1
152 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $689Free CancellationRating
8.1
1,319 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $694Free CancellationRating
8.2
449 reviews
Search Asiana Airlines flights
Vietnam AirlinesPriceFrom $704Free CancellationRating
7.5
194 reviews
Search Vietnam Airlines flights
Cathay PacificPriceFrom $719Free CancellationRating
7.6
921 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $748Free CancellationRating
8.4
1,101 reviews
Search Korean Air flights
China AirlinesPriceFrom $835Free CancellationRating
8.3
745 reviews
Search China Airlines flights
EVA AirPriceFrom $906Free CancellationRating
8.4
1,210 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Phnom Penh?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Phnom Penh for you.

Can I find flights from San Francisco to Phnom Penh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to Phnom Penh flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to Phnom Penh?

momondo helps you find the best flight between San Francisco and Phnom Penh by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to Phnom Penh right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Phnom Penh now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phnom Penh and let you know when they change.


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Sat 7/5
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