Cheap Flights from Don Mueang to Samui International

Compare Don Mueang to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

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Flight deals from Don Mueang to Samui International

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

Find the cheapest month to fly from Don Mueang to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Don Mueang to Samui International flights are currently cheapest in March.

Direct flights from Don Mueang to Samui International

Don Mueang to Samui International: Alternative routes

Compare routes from Don Mueang to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Bangkok to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundRs22,028
Cheapest month to flyMarch
Average flight time1 hr, 33 mins
Most popular airlineBangkok Airways
Average flights per week22

Finding cheap flights from Don Mueang to Samui International: Frequently asked questions

The best price we found for a return flight from Don Mueang to Samui International is Rs44,923. 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.
1 hour and 33 minutes is the average flight time from Don Mueang to Samui International.
Bangkok Airways flies direct from Don Mueang to Samui International.
As of August 2025, there are 22 flights per week flying from Don Mueang to Samui International.
The cheapest month to fly from Don Mueang to Samui International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Don Mueang Airport to Samui International Airport on Tuesday, 11 November 2025.
Yes – the average flight time is 1 hour and 33 minutes.
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 Samui International 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 Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Bangkok Airways offers the cheapest flight tickets to Samui International.

Flying from Don Mueang International Airport (DMK) to Koh Samui Airport (USM): what you need to know

  • Hop on a direct flight from Don Mueang International Airport to Koh Samui Airport and you'll be travelling for an average of 1 hour 30 minutes.

  • Flights from DMK to USM start at 08:50 — the first with Bangkok Airways. The latest departure is at 19:10 with Bangkok Airways. In total, there are 268 weekly Don Mueang International Airport to Koh Samui Airport flights.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your DMK to USM flight.

  • During popular months like August, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • Bangkok Airways offers direct flights from Don Mueang International Airport to Koh Samui Airport. Book with this popular airline, then get ready to check out the sights in Koh Samui — and maybe even more of Thailand if your schedule allows.

  • The majority of passengers choose to fly with Bangkok Airways on this route.

  • With a reliable 83.06% of services landing on schedule, Bangkok Airways has the best on-time performance for DMK to USM flights.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Don Mueang International Airport to Koh Samui Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Top stopovers between DMK and USM include:

    • Phuket International Airport

    • Chiang Mai International Airport

    • Krabi Airport

How to find the cheapest flights from Don Mueang International Airport (DMK) to Koh Samui Airport (USM)

  • Rs22,028 is the best price for a one-way Don Mueang International Airport to Koh Samui Airport flight. A return flight starts at Rs44,923. These fares may change depending on demand.

  • Book six months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from DMK to USM.

  • The cheapest month for flights from Don Mueang International Airport to Koh Samui Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Never miss a deal on cheap flights from DMK to USM by creating a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.

  • Tailor your flights using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Don Mueang International Airport to Koh Samui Airport.

Handy information about Don Mueang International Airport (DMK)

  • When it comes to the on-time performance of Don Mueang International Airport, 66.48% of flights meet their scheduled arrival time.

  • Central Bangkok to Don Mueang International Airport is around 27 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of roughly 1 hour 5 minutes on public transport.

  • Searching for a handy hotel near DMK? If you're catching an early flight from Don Mueang International Airport to Koh Samui Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Koh Samui Airport (USM)

  • If you're getting in on a late Don Mueang International Airport to Koh Samui Airport flight, few things beat the convenience of being near the terminal. Grab your luggage from the carousel and then be showered and relaxing shortly after at one of these accommodation options near USM:

  • Go where the road takes you with a Koh Samui Airport rental car. Book your wheels from asap car hire, Hertz or Drive Car Hire and chase adventure across Koh Samui and beyond.

  • Booking your ride from Koh Samui Airport about four weeks in advance gives you the best shot at securing a great deal.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Central Koh Samui is roughly 3 kilometres from Koh Samui Airport. The drive time will vary depending on traffic conditions and time of day, so do a little research before your trip.

When to fly to Koh Samui Airport (USM)

  • The quietest month for a flight from Don Mueang International Airport to Koh Samui Airport is February, while July is the busiest. Choose the ideal time to go to Koh Samui based on whether you prefer a more fast-paced or easygoing experience.

Explore more of Thailand

  • Bangkok is just one of the many places in Thailand waiting to be discovered after you've seen Koh Samui. Around 467 kilometres away to the north, top sights here include Grand Palace, Wat Arun and Wat Phra Kaew.

  • If you're ready to explore another side of Thailand, consider Chon Buri, roughly 434 kilometres north of Koh Samui. Wat Ton Son, Forest and Phra Phutthasihing Hall are key highlights.

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