Cheap flights from Sihanoukville to Siem Reap from $130 KOS → SAI

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $185 to $270.

At $292, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 8-night return fares leaving within 3 days of 11 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $238.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $43 to $106.

At $130, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 27 Nov, and it is not cheaper.

Every date we hold

28 fares on 28 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $106.

Return

The cheapest fares were 0 to 6 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.

One-way

The cheapest fares were 0 to 6 days before departure.

From the cheapest one-way 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.

How much is a return flight from Sihanoukville to Siem Reap?

The cheapest return found recently is $292 with Air Cambodia, 11 Dec to 19 Dec, found 4 days ago. The cheapest return we hold, of any age, is $238 with Air Cambodia, 23 Dec to 27 Dec, found 5 days ago. The cheapest return fare on each of 3 departure dates is usually $265 to $320.

How much is a one-way flight from Sihanoukville to Siem Reap?

The cheapest one-way found recently is $130 with Air Cambodia, 27 Nov, found 2 days ago. The cheapest one-way we hold, of any age, is $106 with Air Cambodia, 16 Nov, found 3 days ago. The cheapest one-way fare on each of 28 departure dates is usually $120 to $133.

What is the cheapest month to fly from Sihanoukville to Siem Reap?

December 2026 is the cheapest month for a return, from $238, 23 Dec to 27 Dec, found 5 days ago. November 2026 is the cheapest month for a one-way, from $106, 16 Nov, found 3 days ago.

Every date in December 2026

How far ahead should I book a flight from Sihanoukville to Siem Reap?

In 49 days of prices between 24 Sept and 11 Nov, return and one-way fares were both cheapest 0 to 6 days before departure.

Is there a direct flight from Sihanoukville to Siem Reap?

Yes, the cheapest nonstop return found recently is $292 with Air Cambodia, 11 Dec to 19 Dec, found 4 days ago. The cheapest nonstop one-way found recently is $130 with Air Cambodia, 27 Nov, found 2 days ago.

How long is the flight from Sihanoukville to Siem Reap?

The cheapest nonstop one-way found recently, with Air Cambodia on 27 Nov, takes 1 h from Sihanouk International Airport (KOS) to Siem Reap International Airport (SAI).

Which airlines have the cheapest flights from Sihanoukville to Siem Reap?

Between 11 Dec and 6 Jan 2027, Air Cambodia has the cheapest return on all 3 departure dates we hold. Between 16 Nov and 7 Apr 2027, Air Cambodia has the cheapest one-way on all 28 departure dates we hold.