Cheap Flights from Koh Samui to Bangkok

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Compare Samui International to Don Mueang flight deals

Find the cheapest month or even day of the year to fly to Don Mueang

Book the best Don Mueang fare with no extra fees

Flight deals from Samui International to Don Mueang

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

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

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

Direct flights from Samui International to Don Mueang

Samui International to Don Mueang: Alternative routes

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

Koh Samui to Bangkok: Flight information

The things to know before you go.
Cheapest flight found$248
Cheapest month to flyMay
Average flight time1 hr, 33 mins
Most popular airlineBangkok Airways
Average flights per week22

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

The best price we found for a return flight from Samui International to Don Mueang is $248. 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 Samui International to Don Mueang.
Bangkok Airways flies direct from Samui International to Don Mueang.
As of April 2025, there are 22 flights per week flying from Samui International to Don Mueang.
The cheapest month to fly from Samui International to Don Mueang is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Don Mueang Airport on Tuesday, 20 May 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 Don Mueang 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, Bangkok Airways offers the cheapest flight tickets to Don Mueang.

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

  • Expect to be in the air for around 1 hour 32 minutes. On average, that's the time it takes for a direct flight from Koh Samui Airport to Don Mueang International Airport. Thailand and Bangkok are in the same timezone (UTC+7).

  • Every week, there are 178 flights from Koh Samui Airport to Don Mueang International Airport. If you want to take off as early as possible, take the 06:45 Bangkok Airways flight. If you're keen to make the most of your day before flying, the last flight from USM to DMK is 19:10 with Bangkok Airways.

  • Travelling during a popular month like August? Public holidays and other popular periods can mean longer queues at check-in and security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

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

  • Once you've booked cheap ticket from USM to DMK, get your travel documents ready. A visa or passport isn't necessary as you're travelling within Thailand. As long as you have another proof of identity, such as an ID card or driver's license, you're good to go.

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

  • $118 is currently the lowest price for a one-way ticket from Koh Samui Airport to Don Mueang International Airport. Return flights start at $248. These fares can change depending on availability and demand.

  • To secure cheap flight tickets from USM to DMK, book your journey 10 months before the departure date.

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

  • Set up a Price Alert for cheap flight tickets from USM to DMK. You don't need to check every day to find out if fares have dropped. We'll tell you the moment the price changes.

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

Handy information about Koh Samui Airport (USM)

  • Koh Samui Airport is about 611 kilometres from the centre of Thailand. To help you work out how to get there, use Google Maps. This handy travel app will show you the quickest route and your public transport options.

  • Want a hassle-free start to your trip? Stay near USM. Whether you're on an early flight from Koh Samui Airport to Don Mueang International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Don Mueang International Airport (DMK)

  • If you're coming in on a late flight from Koh Samui Airport to Don Mueang International Airport, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these hotels near DMK:

Getting from Don Mueang International Airport (DMK) to central Bangkok

  • Don Mueang International Airport is approximately 27 kilometres from the centre of Bangkok. With your own car rental or if you're catching a cab, the drive is about 30 minutes.

  • Getting there on public transport typically takes 1 hour and 5 minutes.

When to fly to Don Mueang International Airport (DMK)

  • It's time to plan your dates for your flight from Koh Samui Airport to Don Mueang International Airport. August is the busiest month to visit Bangkok. If you like a more low-key vibe, go in February.

  • Before locking in your flight from Koh Samui Airport to Don Mueang International Airport, think about the kind of weather you enjoy. April is the warmest month in Bangkok, with temperatures ranging from 26ºC to 37ºC.

  • December has average temperatures of between 19ºC and 33ºC. Search for cheap flight tickets from USM to DMK around that time if you like travelling in cooler conditions.

More about Bangkok

  • Start your Bangkok trip right by finding an amazing place to stay. Once you've booked your flight from USM to DMK, explore our selection of hotel options including:

  • Grand Palace and Wat Arun are a couple of top-rated attractions to add to your Bangkok travel itinerary. Keep the sightseeing going at Wat Phra Kaew.

  • Suvarnabhumi Airport (BKK) is an alternative way to get to and from Bangkok. This domestic airport may be a cheaper or more convenient choice depending on your travel plans, so see if it fits your budget and schedule better.

Complete your Bangkok trip with hotels and a car rental

  • We don't just compare flights. After booking your cheap ticket to Don Mueang International Airport, explore our great car rental offers that'll give you the freedom and flexibility to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Bangkok stay.

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