The cheapest times to fly from REP to PEK are
- February 5th to April 15th
- August 20th to September 16th
- October 8th to December 31st (except the week of December 10th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from REP to PEK is early to mid September. Prices can be as high as $1079 for Monday flights during early May, or as low as $312 for Tuesday flights around early to mid September.
When to Fly to Beijing
Flying from Siem Reap (REP) to Beijing (PEK) will usually cost between $359 to $620 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $393. Due to high demand the most expensive time to fly is early May, with an average price of $611. Planning your trip to low-cost times can easily save you $218 on economy flights and even more on first-class flights. Generally, any price below $447 can be considered a good price for a round-trip REP to PEK flight.
See below for a graph of average weekly prices for the REP to PEK route. All prices are for round-trip tickets in USD.
Compared to other flights, the REP to PEK flight is much cheaper than the average and costs much less than the average flight leaving from Krong Siem Reap. The average price per mile (for a direct flight) is $0.14, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly to Beijing, and Wednesdays are the most expensive days to return to Krong Siem Reap. Selecting flights on the least expensive days could save you up to $65 (12%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $440. Return trip prices are from the PEK to REP flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from REP to PEK can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 35 minutes may not be realistic.
Flight Hacking REP to PEK
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from REP to PEK — but Champion Traveler does!
- Price for both tickets: $401
- Average savings: $47 (10.4%)
Flight Questions Answered
Still have questions about flying from REP to PEK? We’ve got answers.
Which airlines fly this route?
You can find 18 major airlines flying this route most often: Asiana, Bangkok Airways, Cambodia Angkor Air, Cathay Dragon, Cathay Pacific, Cebu Pacific, China Eastern, China Southern, FlexFlight, Hainan, Shandong, Shenzhen, Singapore Airlines, THAI, Thai AirAsia, Vietnam Airlines, Virgin Australia, Xiamen, and potentially more during busy seasons.
How far away is it from Capital International Airport to Siem Reap International Airport?
The distance between the two airports is roughly 1998 miles or 3215 kilometers.
How long does it take to fly from REP to PEK?
The real-world flight time for a nonstop REP to PEK flight is about 4 hour 35 minutes.
How many flights go between Siem Reap and Beijing?
It depends on the day of the week and the date, but a typical day might have around 15 available flights from REP to PEK.
Airport Location Info
|Origination airport name||Siem Reap International Airport|
|Destination airport name||Capital International Airport|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.