Cheap flights from Siem Reap to Beijing from $199 SAI → PEK, PKX
Siem Reap International Airport (SAI) → Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX)
The cheapest return found recently is $373 with Vietjet, 1 Jun 2027 – 4 Jun 2027, found yesterday. The cheapest one-way found recently is $199 with Vietnam Airlines, 1 Apr 2027, found today.
- Cheapest one-way found recently
- $199, found today
- Cheapest return found recently
- $373, 1 Jun 2027 to 4 Jun 2027
- Cheapest month to fly
- March 2027, one-way fares from $191 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$373
1 Jun 2027 – 4 Jun 2027 · Vietjet
Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX)
Leaves 7:05 p.m. · Return leaves 1:20 a.m. · 46 h of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$373 1 Jun 2027 – 4 Jun 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 39 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $299 to $427.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 1 Jun 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Jun 2027 – 4 Jun 2027 | $373 | Vietjet | Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Airlines on the cheapest dates: Vietjet.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $197 to $240.
Cheapest one-way found recently
$199
1 Apr 2027 · Vietnam Airlines
Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX)
Leaves 7:40 p.m. · 9 h 50 min trip
stops unknown
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$199 1 Apr 2027found todayOpen this trip
$191 6 Mar 2027found 4 days agoOpen this trip
What have prices looked like?
Over 32 days, 24 Sept to 10 Nov, the cheapest one-way we saw each day was $184 to $272.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 21 Nov to 27 Jul 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 one-way fares leaving within 3 days of 1 Apr 2027 to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Nov | $249 | Vietnam Airlines | Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX) | stops unknown | found 5 days ago | Open this trip |
| 6 Mar 2027 | $191 | Vietjet | Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX) | 1 stop | found 4 days ago | Open this trip |
| 1 Apr 2027 | $199 | Vietnam Airlines | Siem Reap International Airport (SAI) → Beijing Daxing International Airport (PKX) | stops unknown | found today | Open this trip |
| 27 Jul 2027 | $237 | Vietnam Airlines | Siem Reap International Airport (SAI) → Beijing Capital International Airport (PEK) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $191.
Airlines on the cheapest dates: Vietnam Airlines, Vietjet.
Premium cabin fares from Siem Reap to Beijing
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 1 Jun 2027 – 4 Jun 2027 in another cabin: Premium economy · Business · First
Today's prices for 1 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Siem Reap to Beijing?
Return
Fares 30 to 59 days before departure were typically 8% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (39 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 |
|---|---|---|---|---|
| 14–29 days | $343 | $342 | +9% | 19 |
| 30–59 days | $315 | $315 | Cheapest seen | 12 |
| 60–89 days | $444 | $444 | +41% | 8 |
| 90–179 days | $392 | $357 | +24% | 16 |
One-way
Fares 180 or more days before departure were typically 19% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 10 Nov (32 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 |
|---|---|---|---|---|
| 30–59 days | $227 | $225 | +23% | 8 |
| 90–179 days | $235 | $189 | +28% | 15 |
| 180+ days | $184 | $184 | Cheapest seen | 15 |
Live price for these dates
The cheapest return found recently is for 1 Jun 2027 – 4 Jun 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Siem Reap to Beijing?
The cheapest return found recently is $373 with Vietjet, 1 Jun 2027 to 4 Jun 2027, found yesterday.
How much is a one-way flight from Siem Reap to Beijing?
The cheapest one-way found recently is $199 with Vietnam Airlines, 1 Apr 2027, found today. The cheapest one-way we hold, of any age, is $191 with Vietjet, 6 Mar 2027, found 4 days ago. The cheapest one-way fare on each of 4 departure dates is usually $197 to $240.
What is the cheapest month to fly from Siem Reap to Beijing?
March 2027 is the cheapest month for a one-way, from $191, 6 Mar 2027, found 4 days ago.
How far ahead should I book a flight from Siem Reap to Beijing?
In 39 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 8% lower than 14 to 29 days before departure. In 32 days of prices between 24 Sept and 10 Nov, one-way fares 180 or more days before departure were typically 19% lower than 30 to 59 days before departure.
Which airlines have the cheapest flights from Siem Reap to Beijing?
Between 21 Nov and 27 Jul 2027, Vietnam Airlines has the cheapest one-way on 3 of the 4 departure dates we hold, and Vietjet on 1.
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