Sihanoukville to Bangkok KOS → BKK, DMK
Sihanouk International Airport (KOS) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest return found recently is $464 with AirAsia Cambodia, 11 Feb 2027 – 11 Feb 2027, found 6 days ago. The cheapest one-way found recently is $176 with Cambodia Airways, 25 Oct, found yesterday.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$464
11 Feb 2027 – 11 Feb 2027 · AirAsia Cambodia
Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK)
Leaves 12:15 p.m. · Return leaves 9:30 p.m. · 22 h 25 min of travel, both ways together
out 1 stop, back 1 stop
found 6 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$464 11 Feb 2027 – 11 Feb 2027found 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 22 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $443 to $527.
22 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?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 0-night return fares leaving within 3 days of 11 Feb 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Feb 2027 – 11 Feb 2027 | $464 | AirAsia Cambodia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 23 Apr 2027 – 10 May 2027 | $466 | AirAsia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 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 $464.
Airlines on the cheapest dates: AirAsia Cambodia, AirAsia.
One-way
The cheapest one-way fare on each of 6 departure dates is usually $216 to $238.
Cheapest one-way found recently
$176
25 Oct · Cambodia Airways
Sihanouk International Airport (KOS) → Suvarnabhumi Airport (BKK)
Leaves 10:15 a.m. · 54 h 50 min trip
stops unknown
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$176 25 Octfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $176 to $266.
At $176, the cheapest one-way found recently is at the low end of that range.
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 one-way price?
Compared with the cheapest one-way fare on each of 6 departure dates from 25 Oct to 11 Feb 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?
No. We hold one-way fares on 1 other departure date within 3 days of 25 Oct, and it is not cheaper.
Every date we hold
6 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Oct | $176 | Cambodia Airways | Sihanouk International Airport (KOS) → Suvarnabhumi Airport (BKK) | stops unknown | found yesterday | Open this trip |
| 26 Oct | $211 | Air Cambodia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 1 stop | found 3 days ago | Open this trip |
| 14 Dec | $232 | Air Cambodia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 1 stop | found 6 days ago | Open this trip |
| 31 Jan 2027 | $238 | AirAsia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 1 stop | found 5 days ago | Open this trip |
| 10 Feb 2027 | $236 | Air Cambodia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 1 stop | found 6 days ago | Open this trip |
| 11 Feb 2027 | $241 | AirAsia Cambodia | Sihanouk International Airport (KOS) → Don Mueang International Airport (DMK) | 1 stop | found 6 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $176.
Airlines on the cheapest dates: Air Cambodia, Cambodia Airways, AirAsia, AirAsia Cambodia.
Premium cabin fares from Sihanoukville to Bangkok
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 Feb 2027 – 11 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 25 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sihanoukville to Bangkok?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (22 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 | $443 | $443 | Cheapest seen | 12 |
| 14–29 days | $527 | $527 | +19% | 8 |
| 60–89 days | $541 | $486 | +22% | 8 |
| 90–179 days | $468 | $464 | +6% | 12 |
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way 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 |
|---|---|---|---|---|
| 7–13 days | $209 | $176 | Cheapest seen | 7 |
| 30–59 days | $242 | $232 | +16% | 18 |
| 60–89 days | $235 | $232 | +12% | 10 |
| 90–179 days | $236 | $212 | +13% | 25 |
| 180+ days | $232 | $232 | +11% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Phu Quoc → Bangkok
68 km from Sihanoukville
$121
$343 less than flying from Sihanoukville
21 Nov – 22 Nov · PQC → BKK · out nonstop, back nonstop
found 23 hours ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Phu Quoc → Bangkok
68 km from Sihanoukville
$70
$106 less than flying from Sihanoukville
20 Aug 2027 · PQC → DMK · nonstop
found 4 hours ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 11 Feb 2027 – 11 Feb 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