Beijing to Siem Reap PEK, PKX → SAI
Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI)
The cheapest return found recently is $369 with Vietnam Airlines, 25 Feb 2027 – 2 Mar 2027, found today.
Return
The cheapest return fare on each of 4 departure dates is usually $368 to $370.
Cheapest return found recently
$369
25 Feb 2027 – 2 Mar 2027 · Vietnam Airlines
Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI)
Leaves 8:30 a.m. · Return leaves 6:40 p.m. · 21 h of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$369 25 Feb 2027 – 2 Mar 2027found todaySee prices for these dates
$367 12 Mar 2027 – 23 Mar 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $335 to $387.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 25 Feb 2027 to 10 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 25 Feb 2027 to compare.
Every date we hold
7 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Feb 2027 – 2 Mar 2027 | $369 | Vietnam Airlines | Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 12 Mar 2027 – 23 Mar 2027 | $367 | Vietnam Airlines | Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 22 Mar 2027 – 30 Mar 2027 | $368 | Vietnam Airlines | Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 10 May 2027 – 31 May 2027 | $371 | Vietjet | Beijing Daxing International Airport (PKX) → Siem Reap International Airport (SAI) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $367.
Airlines on the cheapest dates: Vietnam Airlines, Vietjet.
Premium cabin fares from Beijing to Siem Reap
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 25 Feb 2027 – 2 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Beijing to Siem Reap?
Return
The cheapest fares were 180 or more days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $366 | $335 | +4% | 7 |
| 90–179 days | $381 | $342 | +8% | 20 |
| 180+ days | $353 | $339 | Cheapest seen | 15 |
Live price for these dates
The cheapest return found recently is for 25 Feb 2027 – 2 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work