Cheap Flights to Sihanoukville Airport (KOS)

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Flight deals to Sihanoukville

Looking for a cheap last-minute deal or the best return flight to Sihanoukville? Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to Sihanoukville

Flexible on travel dates? Find the cheapest month – or even day – to fly to Sihanoukville.

Airports near Sihanoukville

Compare routes to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Currently, there are no airlines that fly direct to Sihanoukville. But we found flights with one or more stops from 753 €.
The cheapest month to fly to Sihanoukville is usually February.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sihanoukville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
No airlines currently offer direct flights between Ireland and Sihanoukville Airport. Most routes have one or more stops.
The best price we found for a return flight to Sihanoukville is 753 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Sihanoukville Airport is Friday, 6 February 2026.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Etihad Airways offers the cheapest flight tickets to Sihanoukville.

Flying to Sihanoukville

The things to know before you go.
Cheapest flight found753 €
Cheapest month to flyFebruary

Discover Sihanoukville

How to find cheap flights to Sihanouk International Airport (KOS)

  • At the moment, 414 € is the cheapest price for a one-way flight to Sihanouk International Airport. Or you can reserve a round-trip plane ticket to KOS for 753 €.

  • Book when it's best with Price Alerts. You'll receive an email or a notification on the app if the price of tickets to KOS goes up or down.

  • Book as early as possible. You might even be able to score some awesome early bird deals on tickets to Sihanoukville, where Sihanouk International Airport is located.

  • Check the 'Add nearby airports' option and broaden your search for cheap flights to Sihanoukville. This will list every airport around your departure and arrival points.

  • If you aren't in a rush to get to Sihanoukville, think about taking a little detour. You might find cheaper plane tickets to Sihanouk International Airport by choosing a flight with one or more stops.

Best time to go to Sihanoukville

  • May is generally the cheapest month to jump on a flight to Sihanoukville.

  • To find the cheapest month for flights to KOS, use the 'Whole month' tool. If you're flexible with your dates, search for the green prices on the calendar — they highlight the lowest available fares.

  • Fly to Sihanoukville in August if you want to go when it's busy. This is the most popular month for flights to KOS, but also when fares can be more expensive.

  • April is the quietest time of year to visit if you want a more relaxed pace. You'll generally find cheaper prices on plane tickets to Sihanoukville then.

  • Check the weather conditions before you travel. May is the warmest time of year in Sihanoukville, with averages of between 25ºC (77ºF) and 31ºC (88ºF).

  • Temperatures are at their lowest in January, when they range from 23ºC (73ºF) to 29ºC (84ºF).

  • January is when you're least likely to need an umbrella. With six days of rain on average, this is the driest month in Sihanoukville.

  • The wettest time of year is May. Travel then and you can expect to get around 28 days of rainfall.

Travelling to Sihanouk International Airport (KOS): What you need to know

  • Fly to Sihanoukville in one go with Cambodia Angkor Air. AirAsia also operates direct flights to Sihanouk International Airport.

  • AirAsia is most likely to get you there on time. Up to 52% of its flights into this hub arrive according to schedule, making it a great option when reserving your KOS plane ticket.

  • You'll be touching down in the UTC+7 timezone at KOS.

  • Sok Sabay Resort is a popular stay within easy reach of Sihanouk International Airport. Rest and recharge here after your flight to KOS.

  • Sihanouk International Airport has an on-time performance of 79%. This percentage measures how often departing flights from KOS arrive without running late.

  • Sihanouk International Airport is located in Sihanoukville, Sihanoukville, Cambodia.

Getting to central Sihanoukville from Sihanouk International Airport (KOS)

  • The distance from KOS to central Sihanoukville is about 24 kilometres.

  • Once you've touched down from your flight to KOS, expect a drive to the centre of around 45 minutes.

  • Sihanoukville is packed with options for a great night's sleep. Here's a lineup of comfortable hotels to explore before you go:

Sihanoukville highlights

  • Put these leading attractions high on your must-see list after stepping off your flight to Sihanoukville:

    • Sokha Beach: The perfect spot to start your city tour, this landmark is around 2 kilometres west of the city centre.

    • Victory Garden: Find a nice place to sit and enjoy some time out here while exploring Sihanoukville. You'll find this park roughly 3 kilometres north of the centre.

    • Pantai Ou Chheuteal: Take on this landmark next. Around 0.80 kilometres south-west of the city centre, it's well worth stopping by for the full Sihanoukville experience.

How to get to Kampot from Sihanouk International Airport (KOS)

  • Headed to the nearby city of Kampot? It's about 56 kilometres from KOS.

Travelling from Sihanouk International Airport (KOS) to Phumĭ Bei Smau

  • Phumĭ Bei Smau is around 18 kilometres from Sihanouk International Airport if you're going in that direction.

Explore more of Cambodia

  • Feel like exploring more? Phnom Penh is a must-do while you're in Cambodia. It's around 177 kilometres north-east of Sihanoukville and features Angkor Park, Royal Palace and Tuol Sleng Genocide Museum. The most convenient airport for this city is Phnom Penh International Airport (PNH).

  • Battambang is another top destination in Cambodia and is roughly 290 kilometres north of Sihanoukville. Zero in on some of the best places like Phare Ponleu Selpak, Battambang Day Tour and Phnom Sampeau.

  • Or head for Ta Khmau, about 177 kilometres north-east of Sihanoukville. មាត់ទន្លេតាខ្មៅ - Ta Khmao Riverside, Statue of Ta Khmau and AV are among the many reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.