CA $195 Cheap Flights from Bangkok (DMK) to Samui Intl. Airport (USM)

View CA $195 flight on Wed, Nov. 26, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $195 for one-way flights and CA $398 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sun, Sep. 14 - Tue, Sep. 16
DMK
Bangkok
USM
Koh Samui
CA $398 Roundtrip, just found
CA $398
Roundtrip
just found
Select Bangkok Airways flight, departing Sun, Sep. 14 from Bangkok to Koh Samui, returning Tue, Sep. 16, priced at CA $398 just found
Bangkok Airways
Wed, Oct. 1 - Sat, Oct. 4
DMK
Bangkok
USM
Koh Samui
CA $412 Roundtrip, found 16 hours ago
CA $412
Roundtrip
found 16 hours ago
Select Bangkok Airways flight, departing Wed, Oct. 1 from Bangkok to Koh Samui, returning Sat, Oct. 4, priced at CA $412 found 16 hours ago
Bangkok Airways
Wed, Sep. 3 - Wed, Sep. 10
DMK
Bangkok
USM
Koh Samui
CA $413 Roundtrip, found 4 days ago
CA $413
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Wed, Sep. 3 from Bangkok to Koh Samui, returning Wed, Sep. 10, priced at CA $413 found 4 days ago
Bangkok Airways
Thu, Jan. 15 - Fri, Jan. 23
DMK
Bangkok
USM
Koh Samui
CA $423 Roundtrip, found 21 hours ago
CA $423
Roundtrip
found 21 hours ago
Select Bangkok Airways flight, departing Thu, Jan. 15 from Bangkok to Koh Samui, returning Fri, Jan. 23, priced at CA $423 found 21 hours ago
Bangkok Airways
Thu, Aug. 28 - Wed, Sep. 17
DMK
Bangkok
USM
Koh Samui
CA $424 Roundtrip, found 4 days ago
CA $424
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Thu, Aug. 28 from Bangkok to Koh Samui, returning Wed, Sep. 17, priced at CA $424 found 4 days ago
Bangkok Airways
Mon, Sep. 8 - Wed, Sep. 10
DMK
Bangkok
USM
Koh Samui
CA $427 Roundtrip, found 2 days ago
CA $427
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Mon, Sep. 8 from Bangkok to Koh Samui, returning Wed, Sep. 10, priced at CA $427 found 2 days ago
Bangkok Airways
Thu, Sep. 4 - Wed, Sep. 10
DMK
Bangkok
USM
Koh Samui
CA $428 Roundtrip, found 4 days ago
CA $428
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Thu, Sep. 4 from Bangkok to Koh Samui, returning Wed, Sep. 10, priced at CA $428 found 4 days ago
Bangkok Airways
Thu, Oct. 9 - Sun, Oct. 12
DMK
Bangkok
USM
Koh Samui
CA $432 Roundtrip, found 3 days ago
CA $432
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Oct. 9 from Bangkok to Koh Samui, returning Sun, Oct. 12, priced at CA $432 found 3 days ago
Bangkok Airways
Sat, Sep. 6 - Tue, Sep. 9
DMK
Bangkok
USM
Koh Samui
CA $438 Roundtrip, found 19 hours ago
CA $438
Roundtrip
found 19 hours ago
Select Bangkok Airways flight, departing Sat, Sep. 6 from Bangkok to Koh Samui, returning Tue, Sep. 9, priced at CA $438 found 19 hours ago
Bangkok Airways
Sun, Aug. 24 - Sun, Sep. 7
DMK
Bangkok
USM
Koh Samui
CA $439 Roundtrip, found 4 days ago
CA $439
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Sun, Aug. 24 from Bangkok to Koh Samui, returning Sun, Sep. 7, priced at CA $439 found 4 days ago
Bangkok Airways
Sun, Nov. 2 - Thu, Nov. 6
DMK
Bangkok
USM
Koh Samui
CA $450 Roundtrip, just found
CA $450
Roundtrip
just found
Select Bangkok Airways flight, departing Sun, Nov. 2 from Bangkok to Koh Samui, returning Thu, Nov. 6, priced at CA $450 just found
Bangkok Airways
Wed, Oct. 1 - Sat, Oct. 4
DMK
Bangkok
USM
Koh Samui
CA $464 Roundtrip, found 16 hours ago
CA $464
Roundtrip
found 16 hours ago
Select Bangkok Airways flight, departing Wed, Oct. 1 from Bangkok to Koh Samui, returning Sat, Oct. 4, priced at CA $464 found 16 hours ago
Bangkok Airways
Sat, Aug. 23 - Tue, Aug. 26
DMK
Bangkok
USM
Koh Samui
CA $474 Roundtrip, found 14 hours ago
CA $474
Roundtrip
found 14 hours ago
Select Bangkok Airways flight, departing Sat, Aug. 23 from Bangkok to Koh Samui, returning Tue, Aug. 26, priced at CA $474 found 14 hours ago
Bangkok Airways
Sun, Aug. 24 - Thu, Aug. 28
DMK
Bangkok
USM
Koh Samui
CA $475 Roundtrip, found 4 days ago
CA $475
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Sun, Aug. 24 from Bangkok to Koh Samui, returning Thu, Aug. 28, priced at CA $475 found 4 days ago
Bangkok Airways
Thu, Jul. 31 - Sun, Aug. 10
DMK
Bangkok
USM
Koh Samui
CA $483 Roundtrip, found 11 hours ago
CA $483
Roundtrip
found 11 hours ago
Select Bangkok Airways flight, departing Thu, Jul. 31 from Bangkok to Koh Samui, returning Sun, Aug. 10, priced at CA $483 found 11 hours ago

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

May is typically the cheapest month to fly

From CA $251 - CA $398 per traveller.

Graph displaying average flight prices per month

Flight from Bangkok to Samui Intl. Airport (DMK - USM) route information
Origin airport
Don Mueang Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Roundtrip price
CA $397
Distance
486 km
Average flight time
1 hour 30 mins

Bangkok to Koh Samui Flights

The easy way to book your flights from Bangkok to Samui Intl. Airport 

With Expedia, it’s simple to find and book flights to Samui Intl. Airport from Bangkok whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Bangkok Airways nonstop flights to Samui Intl. Airport, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Bangkok to Samui Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Don Mueang Intl., DMK to Samui Intl. Airport, USM 

Sort your search results by price to find great deals on your flight from Bangkok to Samui Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Samui Intl. Airport from Bangkok currently is just CA $398 rising to CA $483.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Samui Intl. Airport  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Samui Intl. Airport from Bangkok 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Samui Intl. Airport with Expedia today.

Frequently asked questions

How much is a flight from DMK to Ko Samui Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between DMK and Ko Samui Airport (USM) start from CA $398. Make your booking ASAP to get the best price for your next big adventure. 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 Intl. Airport (DMK) to Ko Samui Airport (USM)?
We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from DMK to Ko Samui Airport (USM) that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from DMK to USM. This allows you to snag a great deal ahead of time and still have the freedom to make changes without any extra fees. You'll just need to pay the difference in fare.
How far is the flight from Don Mueang Airport to USM?
You can forget about a movie marathon on this flight — it's just 490 kilometres from Bangkok to Koh Samui. Sit down, enjoy the in-flight service and you'll be in Koh Samui in next to no time.
Which airlines fly direct from DMK to Ko Samui Airport (USM)?
A favourite with many frequent travellers, Bangkok Airways (PG) offers 91 flights monthly from DMK to Ko Samui Airport. Pick the one that fits with your travel schedule and book your seat today.
Are Don Mueang Airport to Ko Samui Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some super cheap airfares from Don Mueang Airport to Ko Samui Airport arising a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.