Cheap flights from Sihanoukville to Phnom Penh

One-way fares from $136 · KOS → PNH · prices found by travellers in the last 48 hours

Compare all dates Phnom Penh → Sihanoukville
Cheapest fare
$136

Air Cambodia · Mon, Nov 9

Cheapest month
November

from $136

Direct flights
Not recently

Usually 1+ stop

Quickest trip
1h 40m

190 km

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Cheapest month to fly from Sihanoukville to Phnom Penh

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

  1. November 2026 Cheapest $136
  2. February 2027 $233
  3. March 2027 $224

Cheapest dates in November 2026

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

Air Cambodia
Depart11:05 Mon, Nov 9KOS → KTI 1h 40m · 1 stop
$136one way, per person
View deal
Air Cambodia
Depart10:15 Fri, Nov 6KOS → KTI 1h 55m · 1 stop
$153one way, per person
View deal
Air Cambodia
Depart10:15 Tue, Nov 10KOS → KTI 1h 40m · 1 stop
$185one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Phnom Penh

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

Where to stay

Hotels in Phnom PenhCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Phnom PenhTours, attractions and day trips on Klook Explore →

Getting around

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

About flights from Sihanoukville to Phnom Penh

Sihanoukville (KOS) and Phnom Penh (PNH) are about 190 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 1h 40m. Over the next few months, one-way fares start from $136, 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 Phnom Penh?

The cheapest one-way fare we've seen recently is $136 with Air Cambodia, departing Monday, November 9, 2026. Over the coming months, the lowest fare in each month ranges from $136 to $233.

What is the cheapest month to fly from Sihanoukville to Phnom Penh?

November 2026 currently has the lowest fares, from $136 one way.

Are there direct flights from Sihanoukville to Phnom Penh?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Sihanoukville to Phnom Penh?

The quickest journey we've seen takes about 1h 40m. Sihanoukville and Phnom Penh are around 190 km apart.

Which airlines fly from Sihanoukville to Phnom Penh?

Recent fares on this route were with Air Cambodia.

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