Sihanoukville - Samdech Hun Sen beach, Sihanoukville — flights from Phnom Penh to Sihanoukville
Phnom Penh, CambodiaSihanoukville, Cambodia

Flights from Phnom Penh to Sihanoukville

Flying time from Phnom Penh (PNH) to Sihanoukville (KOS) is about 43m (171 km).

All flights from Phnom Penh →

Photo of Sihanoukville: Dmitry Makeev, CC BY-SA 4.0, via Wikimedia Commons.

When you land in Sihanoukville

The airport transfer and the few things worth sorting before you fly.

Find hotels in Sihanoukville

Hotels, hostels & more · Expedia

Search hotels

Airlines flying Phnom Penh to Sihanoukville

We have not confirmed which airlines fly PNH–KOS nonstop. Search the route to see every carrier selling it today, including connections.

Phnom Penh to Sihanoukville fares by month

With stops: Dec 2026, from $233. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026—$252 · 1 stop26 Oct 2026
Nov 2026—$264 · 1 stop2 Nov 2026
Dec 2026—$233 · 1 stop2 Dec 2026
Jan 2027—$299 · 1 stop30 Jan 2027
Mar 2027—$313 · 1 stop3 Mar 2027

When to go for the lowest fare

Fares were close across the months we saw: $252 for October 2026, $233 at best after that.

From Travelpayouts flight-search data, city to city (Phnom Penh to Sihanoukville, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Sihanoukville

Based on weather and travel conditions in Cambodia

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

The cool dry season (November–March) is peak time, especially for Angkor Wat. April is extremely hot. The green season (May–October) sees rain but fewer crowds and lower prices.

Peak season: November – March

More for this trip

Frequently asked questions — Phnom Penh to Sihanoukville flights

How long is the flight from Phnom Penh to Sihanoukville?
Phnom Penh (PNH) and Sihanoukville (KOS) are 171 km apart, about 43m of flying time. We have not seen a nonstop fare on this pair, so expect to connect, which adds to the total journey time.
How far is Phnom Penh from Sihanoukville by air?
The great-circle distance between Phnom Penh International Airport and Sihanouk International Airport is 171 km (106 miles), a short-haul route.
What is the cheapest month to fly from Phnom Penh to Sihanoukville?
In fares seen on 22 Oct 2026, departures in December 2026 were cheapest, from $233 one-way, against $313 for March 2027, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from Cambodia to Cambodia?
It depends on your passport. Some nationalities can enter Cambodia visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Sihanoukville?
The cool dry season (November–March) is peak time, especially for Angkor Wat. April is extremely hot. The green season (May–October) sees rain but fewer crowds and lower prices.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

Ready to book PNH–KOS?

Set a fare alert, check your visa, or search flights now.