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

View AU$209 flight on Wed, 3 June 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, 23 Apr - Mon, 27 Apr
DMK
Bangkok
USM
Koh Samui
AU$426 Return, just found
AU$426
Return
just found
Select Bangkok Airways flight, departing Thu, 23 Apr from Bangkok to Koh Samui, returning Mon, 27 Apr, priced at AU$426 just found
Bangkok Airways
Thu, 24 Sept - Mon, 5 Oct
DMK
Bangkok
USM
Koh Samui
AU$428 Return, found 6 days ago
AU$428
Return
found 6 days ago
Select Bangkok Airways flight, departing Thu, 24 Sept from Bangkok to Koh Samui, returning Mon, 5 Oct, priced at AU$428 found 6 days ago
Bangkok Airways
Mon, 4 May - Sat, 16 May
DMK
Bangkok
USM
Koh Samui
AU$429 Return, found 5 days ago
AU$429
Return
found 5 days ago
Select Bangkok Airways flight, departing Mon, 4 May from Bangkok to Koh Samui, returning Sat, 16 May, priced at AU$429 found 5 days ago
Bangkok Airways
Sun, 21 June - Tue, 30 June
DMK
Bangkok
USM
Koh Samui
AU$434 Return, found 23 hours ago
AU$434
Return
found 23 hours ago
Select Bangkok Airways flight, departing Sun, 21 June from Bangkok to Koh Samui, returning Tue, 30 June, priced at AU$434 found 23 hours ago
Bangkok Airways
Fri, 8 May - Fri, 15 May
DMK
Bangkok
USM
Koh Samui
AU$436 Return, found 6 days ago
AU$436
Return
found 6 days ago
Select Bangkok Airways flight, departing Fri, 8 May from Bangkok to Koh Samui, returning Fri, 15 May, priced at AU$436 found 6 days ago
Bangkok Airways
Tue, 5 May - Sat, 16 May
DMK
Bangkok
USM
Koh Samui
AU$437 Return, found 5 days ago
AU$437
Return
found 5 days ago
Select Bangkok Airways flight, departing Tue, 5 May from Bangkok to Koh Samui, returning Sat, 16 May, priced at AU$437 found 5 days ago
Bangkok Airways
Thu, 4 June - Sat, 6 June
DMK
Bangkok
USM
Koh Samui
AU$441 Return, just found
AU$441
Return
just found
Select Bangkok Airways flight, departing Thu, 4 June from Bangkok to Koh Samui, returning Sat, 6 June, priced at AU$441 just found
Bangkok Airways
Tue, 5 May - Fri, 8 May
DMK
Bangkok
USM
Koh Samui
AU$449 Return, found 18 hours ago
AU$449
Return
found 18 hours ago
Select Bangkok Airways flight, departing Tue, 5 May from Bangkok to Koh Samui, returning Fri, 8 May, priced at AU$449 found 18 hours ago
Bangkok Airways
Mon, 29 June - Tue, 7 July
DMK
Bangkok
USM
Koh Samui
AU$452 Return, found 4 days ago
AU$452
Return
found 4 days ago
Select Bangkok Airways flight, departing Mon, 29 June from Bangkok to Koh Samui, returning Tue, 7 July, priced at AU$452 found 4 days ago
Bangkok Airways
Thu, 23 Apr - Mon, 27 Apr
DMK
Bangkok
USM
Koh Samui
AU$454 Return, just found
AU$454
Return
just found
Select Bangkok Airways flight, departing Thu, 23 Apr from Bangkok to Koh Samui, returning Mon, 27 Apr, priced at AU$454 just found

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from AU$426
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from AU$426

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

May is typically the cheapest month to fly

From AU$286 - AU$439 per traveller.

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 AU$426. 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 kilometres 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.

Travel information

Origin airport
Don Mueang Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Return price
AU$425
Distance
486 km
Average flight time
1 hour 30 mins

Explore a world of travel with Expedia

*Available to Expedia members.