Cheap flights from Sihanoukville to Siem Reap

One-way fares from $95 · KOS → SAI · prices found by travellers in the last 48 hours

Compare all dates Siem Reap → Sihanoukville
Cheapest fare
$95

Air Cambodia · Tue, Nov 10

Cheapest month
November

from $95

Direct flights
Yes

Air Cambodia

Flight time
0h 55m

310 km

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Cheapest month to fly from Sihanoukville to Siem Reap

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $95
  2. December 2026 $110
  3. January 2027 $105
  4. February 2027 $120
  5. March 2027 $119

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Air Cambodia
Depart10:15 Tue, Nov 10KOS → SAI 1h 00m · Direct
$95one way, per person
View deal
Air Cambodia
Depart10:15 Tue, Nov 17KOS → SAI 1h 00m · Direct
$97one way, per person
View deal
Air Cambodia
Depart10:15 Mon, Nov 16KOS → SAI 1h 00m · Direct
$105one way, per person
View deal
Air Cambodia
Depart11:05 Thu, Nov 5KOS → SAI 0h 55m · Direct
$106one way, per person
View deal
Air Cambodia
Depart10:15 Sat, Nov 7KOS → SAI 1h 00m · Direct
$106one way, per person
View deal
Air Cambodia
Depart10:15 Wed, Nov 18KOS → SAI 1h 00m · Direct
$120one way, per person
View deal
Air Cambodia
Depart10:15 Mon, Nov 23KOS → SAI 1h 00m · Direct
$120one way, per person
View deal
Air Cambodia
Depart10:15 Fri, Nov 27KOS → SAI 1h 00m · Direct
$133one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Siem Reap

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Siem ReapCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Siem ReapTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Siem ReapPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Siem ReapCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Sihanoukville to Siem Reap

Sihanoukville (KOS) and Siem Reap (SAI) are about 310 km apart. Direct flights take around 0h 55m, and recent direct fares were with Air Cambodia. Over the next few months, one-way fares start from $95, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Sihanoukville to Siem Reap?

The cheapest one-way fare we've seen recently is $95 with Air Cambodia, departing Tuesday, November 10, 2026. Over the coming months, the lowest fare in each month ranges from $95 to $120.

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

November 2026 currently has the lowest fares, from $95 one way.

Are there direct flights from Sihanoukville to Siem Reap?

Yes. Recent direct fares were with Air Cambodia.

How long is the flight from Sihanoukville to Siem Reap?

A direct flight takes about 0h 55m. Sihanoukville and Siem Reap are around 310 km apart.

Which airlines fly from Sihanoukville to Siem Reap?

Recent fares on this route were with Air Cambodia.

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