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Sihanoukville to Siem Reap flights in January 2027 from $132 KOS → SAI

Sihanouk International Airport (KOS) → Siem Reap International Airport (SAI)

For departures in January 2027, the cheapest return found recently is $347 with Air Cambodia, 6 Jan 2027 – 9 Jan 2027, found 6 days ago. The cheapest one-way found recently is $132 with Air Cambodia, 9 Jan 2027, found 2 days ago.

Return

We hold return fares on only 1 departure date in January 2027, too few to say what one usually costs.

Cheapest return found recently

$347

6 Jan 2027 – 9 Jan 2027 · Air Cambodia

Sihanouk International Airport (KOS) → Siem Reap International Airport (SAI)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
6 Jan 2027 – 9 Jan 2027$347Air Cambodiaout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Jan 2027 – 9 Jan 2027$347Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $238.

December 2026From $238Cheapest seen2 departure dates23 Dec – 27 Dec · found 5 days agoSee prices for these datesEvery date in December 2026
January 2027From $3471 departure date6 Jan 2027 – 9 Jan 2027 · found 6 days agoSee prices for these dates

One-way

In January 2027, the cheapest one-way fare on each of 7 departure dates is usually $120 to $133. Across all 28 departure dates we hold on this route, it is usually $120 to $133. Of the 4 months with enough one-way fares to compare, January 2027 is usually the most expensive.

Cheapest one-way found recently

$132

9 Jan 2027 · Air Cambodia

Sihanouk International Airport (KOS) → Siem Reap International Airport (SAI)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$113

6 Jan 2027 · Air Cambodia

Sihanouk International Airport (KOS) → Siem Reap International Airport (SAI)

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
6 Jan 2027$113Air Cambodianonstopfound 5 days agoOpen this trip
3 Jan 2027$120Air Cambodianonstopfound 3 days agoOpen this trip
4 Jan 2027$120Air Cambodianonstopfound 6 days agoOpen this trip
9 Jan 2027$132Air Cambodianonstopfound 2 days agoOpen this trip
11 Jan 2027$133Air Cambodianonstopfound 6 days agoOpen this trip

Every date we hold

7 departure dates

2 Jan 2027: $134, found 3 days ago3 Jan 2027: $120, found 3 days ago4 Jan 2027: $120, found 6 days ago6 Jan 2027: $113, found 5 days ago9 Jan 2027: $132, found 2 days ago11 Jan 2027: $133, found 6 days ago31 Jan 2027: $133, found 3 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Jan 2027$134Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 3 days agoOpen this trip
3 Jan 2027$120Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 3 days agoOpen this trip
4 Jan 2027$120Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 6 days agoOpen this trip
6 Jan 2027$113Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 5 days agoOpen this trip
9 Jan 2027$132Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 2 days agoOpen this trip
11 Jan 2027$133Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 6 days agoOpen this trip
31 Jan 2027$133Air CambodiaSihanouk International Airport (KOS) → Siem Reap International Airport (SAI)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $106.

November 2026From $106Cheapest seen4 departure dates16 Nov · found 3 days agoOpen this trip
December 2026From $10812 departure dates23 Dec · found 4 days agoOpen this tripEvery date in December 2026
January 2027From $1137 departure dates6 Jan 2027 · found 5 days agoOpen this trip
February 2027From $1194 departure dates18 Feb 2027 · found 3 days agoOpen this trip
April 2027From $1561 departure date7 Apr 2027 · found 2 days agoOpen this trip

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