Cheap Flights from Sihanoukville to Bangkok Suvarnabhumi

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Compare Sihanoukville to Bangkok Suvarnabhumi flight deals

Find the cheapest month or even day of the year to fly to Bangkok Suvarnabhumi

Book the best Bangkok Suvarnabhumi fare with no extra fees

Flight deals from Sihanoukville to Bangkok Suvarnabhumi

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

Find the cheapest month to fly from Sihanoukville to Bangkok Suvarnabhumi

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

Sihanoukville to Bangkok Suvarnabhumi: Alternative routes

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

Sihanoukville to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs41,297
Cheapest month to flyMay

Finding cheap flights from Sihanoukville to Bangkok Suvarnabhumi: Frequently asked questions

The best price we found for a return flight from Sihanoukville to Bangkok Suvarnabhumi is Rs77,648. 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 Sihanoukville to Bangkok Suvarnabhumi. But we found flights with one or more stops from Rs77,648.
As of April 2025, there are no flights flying from Sihanoukville to Bangkok Suvarnabhumi.
The cheapest month to fly from Sihanoukville to Bangkok Suvarnabhumi is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Bangkok Suvarnabhumi Airport on Friday, 1 August 2025.
No airlines currently offer direct flights between Sihanoukville Airport and Bangkok Suvarnabhumi 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 Bangkok Suvarnabhumi 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AirAsia offers the cheapest flight tickets to Bangkok Suvarnabhumi.

Travelling from Sihanouk International Airport (KOS) to Suvarnabhumi Airport (BKK): what you need to know

  • Bangkok's timezone is UTC+7, which is the same as Sihanoukville.

  • Your KOS to BKK flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as January, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Sihanouk International Airport to Suvarnabhumi Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to visit the city of your choice. Worthwhile stopovers between KOS and BKK include:

    • Siem Reap-Ankor International Airport

    • Kuala Lumpur International Airport

    • Tan Son Nhat International Airport

How to find the cheapest flights from Sihanouk International Airport (KOS) to Suvarnabhumi Airport (BKK)

  • Rs41,297 is the best price for a one-way Sihanouk International Airport to Suvarnabhumi Airport flight. Return flights start from Rs77,648. These fares can change based on demand and availability.

  • It's usually best to book ahead of time if you want to find cheap tickets from KOS to BKK. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Sihanouk International Airport to Suvarnabhumi Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' search tool to see the lowest fares throughout the month and bag a great deal.

  • Save time looking for cheap flights from KOS to BKK by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Sihanouk International Airport to Suvarnabhumi Airport.

Handy information about Sihanouk International Airport (KOS)

  • 78.65% of flights that leave from Sihanouk International Airport touch down at their destination on time.

  • Sihanouk International Airport is around 24 kilometres from central Sihanoukville. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 45 minutes or so to get there, depending on the traffic.

  • Spending the night in a hotel can take the hassle out of getting to the airport on time. If you're looking for somewhere to stay before your flight from Sihanouk International Airport to Suvarnabhumi Airport, have a look at Sok Sabay Resort. It's a short ride from KOS.

Arriving at Suvarnabhumi Airport (BKK)

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

  • Suvarnabhumi Airport to the centre of Bangkok has a drive time of about 35 minutes. It's approximately 32 kilometres away.

  • It takes around 1 hour 5 minutes to get there using public transport.

When to fly to Suvarnabhumi Airport (BKK)

  • The quietest month for a flight from Sihanouk International Airport to Suvarnabhumi Airport is April, while July is the busiest. Pick the best time to go to Bangkok based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from Sihanouk International Airport to Suvarnabhumi Airport for April if you want to explore Bangkok during its warmest month. Expect temperatures of between 26ºC and 37ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from KOS to BKK in December. Average temperatures are between 19ºC and 33ºC then.

Explore more of Thailand

  • Udon Thani is just one of the many cities in Thailand waiting to be explored once you've seen Bangkok. Around 467 kilometres away to the north-east, its top attractions include Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • Chon Buri is another well-known destination in Thailand and is around 64 kilometres south-east of Bangkok. No journey is complete without visiting Wat Ton Son, Forest and Phra Phutthasihing Hall.

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