Cheap flights from Beijing to Phnom Penh from $165 PEK, PKX → KTI
Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX) → Techo International (KTI)
The cheapest return found recently is $313 with Air China, 10 Jan 2027 – 19 Jan 2027, found 2 days ago. The cheapest one-way found recently is $165 with Air China, 23 Feb 2027, found 7 days ago.
- Cheapest one-way found recently
- $165, found 7 days ago
- Cheapest return found recently
- $313, 10 Jan 2027 to 19 Jan 2027
- Usual return price
- $339 to $383
- Cheapest month to fly
- February 2027, return fares from $291 found in the last 7 days
- Airlines with nonstop flights
- Air China
Return
The cheapest return fare on each of 14 departure dates is usually $339 to $383.
Cheapest return found recently
$313
10 Jan 2027 – 19 Jan 2027 · Air China
Beijing Capital International Airport (PEK) → Techo International (KTI)
Leaves 7:00 p.m. · Return leaves 5:15 a.m. · 10 h of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$313
10 Jan 2027 – 19 Jan 2027 · Air China
Beijing Capital International Airport (PEK) → Techo International (KTI)
Leaves 7:00 p.m. · Return leaves 5:15 a.m. · 10 h of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$313 10 Jan 2027 – 19 Jan 2027found 2 days agoSee prices for these dates
$291 16 Feb 2027 – 28 Feb 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 40 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $289 to $393.
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 14 departure dates from 19 Nov to 20 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 9-night return fares leaving within 3 days of 10 Jan 2027 to compare.
Every date we hold
117 fares on 14 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov – 11 Dec | $332 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 4 Dec – 24 Dec | $334 | Cathay Pacific | Beijing Capital International Airport (PEK) → Techo International (KTI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 12 Dec – 10 Jan 2027 | $362 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 17 Dec – 22 Dec | $354 | China Southern Airlines | Beijing Daxing International Airport (PKX) → Techo International (KTI) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 21 Dec – 7 Jan 2027 | $369 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Dec – 3 Jan 2027 | $369 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 31 Dec – 12 Jan 2027 | $415 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
| 10 Jan 2027 – 19 Jan 2027 | $313 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 19 Jan 2027 – 16 Feb 2027 | $372 | Cathay Pacific | Beijing Capital International Airport (PEK) → Techo International (KTI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Jan 2027 – 21 Feb 2027 | $386 | Shenzhen Airlines | Beijing Daxing International Airport (PKX) → Techo International (KTI) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 16 Feb 2027 – 28 Feb 2027 | $291 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 23 Feb 2027 – 13 Mar 2027 | $370 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | out nonstop, back 1 stop | found 8 days ago | See prices for these dates |
| 18 May 2027 – 27 May 2027 | $595 | Shenzhen Airlines | Beijing Capital International Airport (PEK) → Techo International (KTI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 20 May 2027 – 26 May 2027 | $441 | Shenzhen Airlines | Beijing Capital International Airport (PEK) → Techo International (KTI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $291.
Airlines on the cheapest dates: Air China, Shenzhen Airlines, Cathay Pacific, China Southern Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$165
23 Feb 2027 · Air China
Beijing Capital International Airport (PEK) → Techo International (KTI)
Leaves 6:40 p.m. · 5 h 30 min trip
stops unknown
found 7 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$165 23 Feb 2027found 7 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 6 days, 28 Sept to 6 Nov, the cheapest one-way we saw each day was $141 to $211.
6 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 one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 23 Feb 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 | |
|---|---|---|---|---|---|---|
| 23 Feb 2027 | $165 | Air China | Beijing Capital International Airport (PEK) → Techo International (KTI) | stops unknown | found 7 days ago | Open this trip |
Airlines on the cheapest dates: Air China.
Premium cabin fares from Beijing to Phnom Penh
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 10 Jan 2027 – 19 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 23 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Beijing to Phnom Penh?
Return
The cheapest fares were 60 to 89 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (40 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 | $347 | $334 | +1% | 12 |
| 30–59 days | $354 | $290 | +3% | 31 |
| 60–89 days | $344 | $289 | Cheapest seen | 33 |
| 90–179 days | $373 | $291 | +8% | 30 |
| 180+ days | $441 | $441 | +28% | 9 |
One-way
Not enough history yet: we have 6 days of one-way prices, 28 Sept to 6 Nov, and compare booking times once 3 booking ranges have 7 days each.
Live price for these dates
The cheapest return found recently is for 10 Jan 2027 – 19 Jan 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 Beijing to Phnom Penh?
The cheapest return found recently is $313 with Air China, 10 Jan 2027 to 19 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $291 with Air China, 16 Feb 2027 to 28 Feb 2027, found 4 days ago. The cheapest return fare on each of 14 departure dates is usually $339 to $383.
How much is a one-way flight from Beijing to Phnom Penh?
The cheapest one-way found recently is $165 with Air China, 23 Feb 2027, found 7 days ago.
What is the cheapest month to fly from Beijing to Phnom Penh?
February 2027 is the cheapest month for a return, from $291, 16 Feb 2027 to 28 Feb 2027, found 4 days ago.
How far ahead should I book a flight from Beijing to Phnom Penh?
In 40 days of prices between 24 Sept and 11 Nov, return fares were cheapest 60 to 89 days before departure.
Is there a direct flight from Beijing to Phnom Penh?
Yes, the cheapest nonstop return found recently is $313 with Air China, 10 Jan 2027 to 19 Jan 2027, found 2 days ago.
Which airlines have the cheapest flights from Beijing to Phnom Penh?
Between 19 Nov and 20 May 2027, Air China has the cheapest return on 8 of the 14 departure dates we hold, Shenzhen Airlines on 3 and Cathay Pacific on 2.
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