Cheap flights from Kuala Lumpur to Siem Reap from $119 KUL, SZB → SAI
Kuala Lumpur International Airport (KUL), Sultan Abdul Aziz Shah Airport (SZB) → Siem Reap International Airport (SAI)
The cheapest return found recently is $201 with AirAsia Cambodia, 11 Jan 2027 – 30 Jan 2027, found 2 days ago. The cheapest one-way found recently is $119 with AirAsia Cambodia, 27 May 2027, found 2 days ago.
- Cheapest one-way found recently
- $119, AirAsia Cambodia, found 2 days ago
- Cheapest return found recently
- $201, 11 Jan 2027 to 30 Jan 2027
- Usual return price
- $204 to $267
- Cheapest month to fly
- January 2027, return fares from $201 found in the last 7 days
- Airlines with nonstop flights
- AirAsia Cambodia
- Shortest nonstop flight found
- 2 h 5 min
Return
The cheapest return fare on each of 11 departure dates is usually $204 to $267.
Cheapest return found recently
$201
11 Jan 2027 – 30 Jan 2027 · AirAsia Cambodia
Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI)
Leaves 8:10 a.m. · Return leaves 3:35 p.m. · 4 h 20 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$201
11 Jan 2027 – 30 Jan 2027 · AirAsia Cambodia
Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI)
Leaves 8:10 a.m. · Return leaves 3:35 p.m. · 4 h 20 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$201 11 Jan 2027 – 30 Jan 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $180 to $278.
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 11 departure dates from 20 Nov to 15 Apr 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 19-night return fares leaving within 3 days of 11 Jan 2027 to compare.
Every date we hold
19 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Nov – 17 Dec | $260 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Nov – 3 Dec | $274 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 1 Jan 2027 – 3 Jan 2027 | $344 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 4 Jan 2027 – 13 Jan 2027 | $239 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 11 Jan 2027 – 30 Jan 2027 | $201 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 12 Jan 2027 – 30 Jan 2027 | $201 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 14 Jan 2027 – 30 Jan 2027 | $207 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 15 Jan 2027 – 29 Jan 2027 | $207 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 6 Feb 2027 – 9 Feb 2027 | $250 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 19 Feb 2027 – 21 Feb 2027 | $201 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 15 Apr 2027 – 30 Apr 2027 | $350 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $201.
Airlines on the cheapest dates: AirAsia Cambodia.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$119
27 May 2027 · AirAsia Cambodia
Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI)
Leaves 1:45 p.m. · 2 h 5 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$119
27 May 2027 · AirAsia Cambodia
Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI)
Leaves 1:45 p.m. · 2 h 5 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$119 27 May 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 35 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $79 to $119.
At $119, the cheapest one-way found recently is at the high end of that range.
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 27 May 2027 to compare.
Every date we hold
2 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 May 2027 | $119 | AirAsia Cambodia | Kuala Lumpur International Airport (KUL) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
Airlines on the cheapest dates: AirAsia Cambodia.
Premium cabin fares from Kuala Lumpur 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 11 Jan 2027 – 30 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 27 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kuala Lumpur to Siem Reap?
Return
Fares 90 to 179 days before departure were typically 22% lower than 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 |
|---|---|---|---|---|
| 7–13 days | $260 | $208 | +29% | 13 |
| 14–29 days | $254 | $209 | +26% | 24 |
| 30–59 days | $259 | $202 | +28% | 35 |
| 60–89 days | $230 | $194 | +14% | 28 |
| 90–179 days | $202 | $180 | Cheapest seen | 36 |
| 180+ days | $202 | $194 | +0% | 11 |
One-way
Not enough history yet: in 35 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 11 Jan 2027 – 30 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 Kuala Lumpur to Siem Reap?
The cheapest return found recently is $201 with AirAsia Cambodia, 11 Jan 2027 to 30 Jan 2027, found 2 days ago. The cheapest return fare on each of 11 departure dates is usually $204 to $267.
How much is a one-way flight from Kuala Lumpur to Siem Reap?
The cheapest one-way found recently is $119 with AirAsia Cambodia, 27 May 2027, found 2 days ago.
What is the cheapest month to fly from Kuala Lumpur to Siem Reap?
January 2027 is the cheapest month for a return, from $201, 11 Jan 2027 to 30 Jan 2027, found 2 days ago.
How far ahead should I book a flight from Kuala Lumpur to Siem Reap?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 22% lower than 7 to 13 days before departure.
Is there a direct flight from Kuala Lumpur to Siem Reap?
Yes, the cheapest nonstop return found recently is $201 with AirAsia Cambodia, 11 Jan 2027 to 30 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $119 with AirAsia Cambodia, 27 May 2027, found 2 days ago.
How long is the flight from Kuala Lumpur to Siem Reap?
The cheapest nonstop one-way found recently, with AirAsia Cambodia on 27 May 2027, takes 2 h 5 min from Kuala Lumpur International Airport (KUL) to Siem Reap International Airport (SAI).
Which airlines have the cheapest flights from Kuala Lumpur to Siem Reap?
Between 20 Nov and 15 Apr 2027, AirAsia Cambodia has the cheapest return on all 11 departure dates we hold.
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