Cheap flights from San Francisco (SFO) to Siem Reap (REP)

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The best prices from San Francisco to Siem Reap are usually found in April or September, booked 60 days in advance, depart on a Wednesday or Sunday and return on a Monday

How to find the cheapest flight from
San Francisco (SFO) to Siem Reap (REP)

All the information you need to plan the best SFO to REP flight in 2022: compare San Francisco to Siem Reap flight prices with the expected peak season, weather and rainfall in Siem Reap.
SFO - REP
Price
$679 - $1,375
REP
Temperature
75.2 - 84.2 °F
REP
Precipitation
0 - 10.2 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

April

Best time to find cheap flights, 19% potential price drop

Average price

$919

Average for round-trip flights in January 2022

Round-trip from

$679

From San Francisco to Siem Reap

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from San Francisco to Siem Reap (SFO - REP)?

One of the essential ways to save on airfare from San Francisco to Siem Reap is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

How far in advance should I book a flight from San Francisco to Siem Reap?

To save up to 3% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Siem Reap from $871 1-2 weeks out and tickets from $871 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco to Siem Reap?

The best pricing can be found in the month of April. Prices to Siem Reap from San Francisco average $842. You can even find prices in April for less than $842, as users have found deals to Siem Reap from as low as $626. The month of December appears to be one of the more expensive times to travel to Siem Reap from San Francisco. Flying in the targeted month can save you up to 63%.

What is the cheapest day to fly round-trip from San Francisco to Siem Reap?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 32% on your flight compared to booking on days when demand is much higher.

Cheap flights from San Francisco to Siem Reap in January, February 2022

The best prices found for SFO to REP flights for January, February
3 Feb - 9 Feb
$874pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
SFO
San Francisco
3 Feb - 9 Feb
$943pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
     
3 STOPS
SFO
San Francisco
1 Feb - 15 Feb
$945pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
     
3 STOPS
SFO
San Francisco

San Francisco to Siem Reap 2022 flight deals

Cheap flights to Siem Reap from San Francisco found for this year
2 Nov - 14 Nov
$870pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
SFO
San Francisco
3 Feb - 9 Feb
$874pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
SFO
San Francisco
1 Nov - 14 Nov
$879pp
SFO
San Francisco
Singapore Airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
SFO
San Francisco

Last minute flights from San Francisco to Siem Reap

Late deals on round-trip flights to Siem Reap from San Francisco, departing today and this week
3 Feb - 9 Feb
$874pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
SFO
San Francisco
3 Feb - 9 Feb
$943pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
     
3 STOPS
SFO
San Francisco
1 Feb - 15 Feb
$945pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
     
3 STOPS
SFO
San Francisco

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Siem Reap</span> flights.

Flight FAQs

From San Francisco to Siem Reap

Which airlines flying from San Francisco to Siem Reap have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like China Eastern, Cathay Pacific, and China Southern flying from San Francisco to Siem Reap have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Siem Reap for under $1,000 on Cheapflights?

Yes, there are multiple flights from San Francisco to Siem Reap for under $1,000. The cheapest flight booked recently is on Singapore Airlines for just $904, but on average you can expect to pay $984.

Are there last-minute flights available from San Francisco to Siem Reap for under $900?

There are currently 9+ open flights from San Francisco to Siem Reap within the next 7 days for less than $900.

What is the cheapest airline to fly from San Francisco to Siem Reap round-trip?

Flying on Singapore Airlines is currently your cheapest option to Siem Reap, with prices starting at $904.

What are the cheapest flights from San Francisco to Siem Reap?

On average you can expect to pay $978 for a flight from San Francisco to Siem Reap. The cheapest flight overall is $541 while the most popular route, (San Francisco - Siem Reap) is currently priced at $874.

What are the most popular airlines that fly from San Francisco to Siem Reap?

Consider Cathay Pacific, China Southern or China Eastern when booking your flight. These represent the most popular airlines when flying from San Francisco to Siem Reap.

COVID Restrictions

View COVID Travel Restrictions for Siem Reap, Cambodia

Do I need a COVID test to fly to Siem Reap from San Francisco?

Information is based on travel restrictions from San Francisco to Siem Reap

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Siem Reap.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Siem Reap.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Siem Reap.

Do I need a test to fly back to San Francisco from Siem Reap?

Returning to San Francisco from Siem Reap

COVID-19 testing requirements
Visitors from Siem Reap must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Francisco.

Quarantine requirements
Visitors from Siem Reap are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Siem Reap, Cambodia

Alternative routes for San Francisco to Siem Reap

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

Destination information for Siem Reap

Things to know before you go - useful duration and weather info for your trip from San Francisco to Siem Reap.
Today's exchange rate
$1 = 4,020.11៛

Airports servicing San Francisco

Airports servicing Siem Reap

Top 5 airlines flying from San Francisco to Siem Reap

The chart below displays the airlines Cheapflights users traveling from San Francisco to Siem Reap choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
China Southern
$473 $778 No cancel fee 69%
China Eastern
$578 $797 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Cathay Pacific
$719 $1,025 No cancel fee 72%
Vietnam Airlines
$845 $1,135 No cancel fee 81%
Singapore Airlines
$859 $1,096 No cancel fee 81%
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