Cheap Flights from Kolkata to Sihanoukville

Travellers and cabin class

Compare Kolkata to Sihanoukville flight deals

Find the cheapest month or even day of the year to fly to Sihanoukville

Book the best Sihanoukville fare with no extra fees

Flight deals from Kolkata to Sihanoukville

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

Find the cheapest month to fly from Kolkata to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kolkata to Sihanoukville flights are currently cheapest in June.

Kolkata to Sihanoukville: Alternative routes

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

Kolkata to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 623
Cheapest month to flyJune

Finding cheap flights from Kolkata to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Kolkata to Sihanoukville is ر.ق.‏ 1,318. 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.
Currently, there are no airlines that fly direct from Kolkata to Sihanoukville. But we found flights with one or more stops from ر.ق.‏ 1,318.
As of April 2025, there are no flights flying from Kolkata to Sihanoukville.
The cheapest month to fly from Kolkata to Sihanoukville is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Sihanoukville Airport on Sunday, 1 June 2025.
No airlines currently offer direct flights between Kolkata Airport and Sihanoukville Airport. Most routes have one or more stops.
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.
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, AirAsia offers the cheapest flight tickets to Sihanoukville.

Flying from Netaji Subhas Chandra Bose Airport (CCU) to Sihanouk International Airport (KOS): what you need to know

  • Sihanoukville's timezone is UTC+7, which makes Sihanoukville one hour 30 minutes ahead of Kolkata.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your CCU to KOS flight.

  • You can expect longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Break up your flight or take a detour to a new city with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport. Many travellers pass through Kuala Lumpur International Airport when flying between CCU and KOS.

How to find the cheapest flights from Netaji Subhas Chandra Bose Airport (CCU) to Sihanouk International Airport (KOS)

  • ر.ق.‏ 623 is currently the best price for a one-way Netaji Subhas Chandra Bose Airport to Sihanouk International Airport flight. A return flight starts from ر.ق.‏ 1,318. These fares can change based on demand and availability.

  • It's often best to book as early as possible if you want to find cheap tickets from CCU to KOS. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the lowest price in every month when looking for a flight from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport.

  • Landing cheap flights from CCU to KOS couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as fares go down.

  • Tailor your trip using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport.

Handy information about Netaji Subhas Chandra Bose Airport (CCU)

  • 75.9% of flights departing from Netaji Subhas Chandra Bose Airport make it to their destination on time.

  • To reach Netaji Subhas Chandra Bose Airport from central Kolkata, it takes around 40 minutes if you're travelling by car. This depends on traffic, however. It's approximately 16 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 55 minutes.

  • Looking for a convenient hotel near CCU? If you're catching an early flight from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Sihanouk International Airport (KOS)

  • Once your Netaji Subhas Chandra Bose Airport to Sihanouk International Airport flight has arrived, unwind and relax at a hotel close by. Sok Sabay Resort is a comfy option that's not too far from KOS.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • Sihanouk International Airport is roughly 24 kilometres from the centre of Sihanoukville. The drive time takes about 45 minutes.

When to fly to Sihanouk International Airport (KOS)

  • The quietest month for a flight from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport is April, while January is the busiest. Pick the ideal time to go to Sihanoukville based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from Netaji Subhas Chandra Bose Airport to Sihanouk International Airport for May if you'd like to visit Sihanoukville during its warmest month. Expect temperatures of between 25ºC and 31ºC.

  • Search for cheap tickets from CCU to KOS in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 23ºC and 29ºC on average.

Explore more of Cambodia

  • Phnom Penh is just one of the many cities in Cambodia waiting to be explored once you've seen Sihanoukville. Around 193 kilometres away to the north-east, its best attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • If you're interested in discovering another major stop in Cambodia, head for Battambang, roughly 274 kilometres north of Sihanoukville. The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden are among the biggest draws.

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