Cheap Flights from Bangkok (DMK) to Samui Intl. Airport (USM) from HK$1,112~

View HK$1,112 flight on Thu, 11 Sep 2025Opens in a new window

Popular airlines from Don Mueang Intl. Airport (DMK) to Samui Intl. Airport (USM)

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Find Cheap Flights from Bangkok (DMK) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at HK$1,112 for one-way flights and HK$2,254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sun, 14 Sep - Tue, 23 Sep
DMK
Bangkok
USM
Koh Samui
HK$2,254 Return, found 1 day ago
HK$2,254
Return
found 1 day ago
Select Bangkok Airways flight, departing Sun, 14 Sep from Bangkok to Koh Samui, returning Tue, 23 Sep, priced at HK$2,254 found 1 day ago
Bangkok Airways
Tue, 28 Oct - Mon, 3 Nov
DMK
Bangkok
USM
Koh Samui
HK$2,275 Return, found 4 days ago
HK$2,275
Return
found 4 days ago
Select Bangkok Airways flight, departing Tue, 28 Oct from Bangkok to Koh Samui, returning Mon, 3 Nov, priced at HK$2,275 found 4 days ago
Bangkok Airways
Thu, 25 Sep - Tue, 30 Sep
DMK
Bangkok
USM
Koh Samui
HK$2,322 Return, just found
HK$2,322
Return
just found
Select Bangkok Airways flight, departing Thu, 25 Sep from Bangkok to Koh Samui, returning Tue, 30 Sep, priced at HK$2,322 just found
Bangkok Airways
Thu, 30 Oct - Sun, 2 Nov
DMK
Bangkok
USM
Koh Samui
HK$2,344 Return, found 3 days ago
HK$2,344
Return
found 3 days ago
Select Bangkok Airways flight, departing Thu, 30 Oct from Bangkok to Koh Samui, returning Sun, 2 Nov, priced at HK$2,344 found 3 days ago
Bangkok Airways
Tue, 4 Nov - Sat, 15 Nov
DMK
Bangkok
USM
Koh Samui
HK$2,364 Return, found 6 days ago
HK$2,364
Return
found 6 days ago
Select Bangkok Airways flight, departing Tue, 4 Nov from Bangkok to Koh Samui, returning Sat, 15 Nov, priced at HK$2,364 found 6 days ago
Bangkok Airways
Mon, 1 Sep - Mon, 8 Sep
DMK
Bangkok
USM
Koh Samui
HK$2,365 Return, found 5 days ago
HK$2,365
Return
found 5 days ago
Select Bangkok Airways flight, departing Mon, 1 Sep from Bangkok to Koh Samui, returning Mon, 8 Sep, priced at HK$2,365 found 5 days ago
Bangkok Airways
Mon, 1 Sep - Wed, 3 Sep
DMK
Bangkok
USM
Koh Samui
HK$2,404 Return, found 23 hours ago
HK$2,404
Return
found 23 hours ago
Select Bangkok Airways flight, departing Mon, 1 Sep from Bangkok to Koh Samui, returning Wed, 3 Sep, priced at HK$2,404 found 23 hours ago
Bangkok Airways
Wed, 1 Oct - Sat, 4 Oct
DMK
Bangkok
USM
Koh Samui
HK$2,415 Return, found 5 hours ago
HK$2,415
Return
found 5 hours ago
Select Bangkok Airways flight, departing Wed, 1 Oct from Bangkok to Koh Samui, returning Sat, 4 Oct, priced at HK$2,415 found 5 hours ago
Bangkok Airways
Sat, 27 Sep - Sat, 4 Oct
DMK
Bangkok
USM
Koh Samui
HK$2,436 Return, found 4 days ago
HK$2,436
Return
found 4 days ago
Select Bangkok Airways flight, departing Sat, 27 Sep from Bangkok to Koh Samui, returning Sat, 4 Oct, priced at HK$2,436 found 4 days ago
Bangkok Airways
Tue, 2 Sep - Thu, 11 Sep
DMK
Bangkok
USM
Koh Samui
HK$2,447 Return, found 6 days ago
HK$2,447
Return
found 6 days ago
Select Bangkok Airways flight, departing Tue, 2 Sep from Bangkok to Koh Samui, returning Thu, 11 Sep, priced at HK$2,447 found 6 days ago

Find the cheapest month to fly from Bangkok (DMK) to Koh Samui (USM)

May is typically the cheapest month to fly

From HK$1,436 - HK$2,281 per traveller.

Graph displaying average flight prices per month

Bangkok to Samui Intl. Airport route information
Origin airport
Don Mueang Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Return price
HK$2,254
Distance
486 km
Average flight time
1 hour 30 mins

Flights from Bangkok to Koh Samui

Book cheap flights from Bangkok (DMK) to Koh Samui (USM) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Bangkok (DMK) to Koh Samui (USM) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Bangkok (DMK) to Koh Samui (USM) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Koh Samui flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Koh Samui and things to do in Koh Samui for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Koh Samui more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Koh Samui is HK$1,112 now!

 

Frequently asked questions

How much is a flight from Don Mueang Airport to USM?
Start packing your bags, because round-trip flights between Don Mueang Airport and Samui Airport start from HK$2,254. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Don Mueang Airport to Samui Airport?
This differs between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from Don Mueang Airport to Ko Samui Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Don Mueang Intl. Airport (DMK) to Ko Samui Airport (USM) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DMK to Ko Samui Airport (USM)?
A flight distance of just 490 kilometers separates Bangkok and Koh Samui. Once you're up in the air, you won't get a chance to do much more than read the in-flight magazine.
Which airlines fly direct from DMK to Ko Samui Airport (USM)?
If you want to travel straight from Don Mueang Airport to Ko Samui Airport (USM), you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are Don Mueang Intl. Airport (DMK) to Samui Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from DMK to Samui Airport are available up to 12 months before departure on Expedia. And although you may nab great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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