Flights to Koh Samui Islands from Bangkok - $138

View $138 flight on Thu, May 15, 2025Opens in a new window

Popular airlines from Bangkok to Koh Samui Islands

  • Bangkok Airways

    Bangkok Airways

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Find available prices by choosing your travel dates.

Cheap Flights from Bangkok to Koh Samui Islands (BKK-USM)

Prices were available within the past 7 days and start at $138 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Fri, May 30 - Fri, Jun 20
DMK
Bangkok
USM
Koh Samui
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Bangkok Airways flight, departing Fri, May 30 from Bangkok to Koh Samui, returning Fri, Jun 20, priced at $281 found 1 day ago
Bangkok Airways
Wed, May 14 - Thu, May 15
BKK
Bangkok
USM
Koh Samui
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Bangkok Airways flight, departing Wed, May 14 from Bangkok to Koh Samui, returning Thu, May 15, priced at $281 found 1 day ago
Bangkok Airways
Thu, May 15 - Wed, May 21
BKK
Bangkok
USM
Koh Samui
$282 Roundtrip, just found
$282
Roundtrip
just found
Select Bangkok Airways flight, departing Thu, May 15 from Bangkok to Koh Samui, returning Wed, May 21, priced at $282 just found
Bangkok Airways
Thu, Nov 6 - Sat, Nov 15
BKK
Bangkok
USM
Koh Samui
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Thu, Nov 6 from Bangkok to Koh Samui, returning Sat, Nov 15, priced at $283 found 2 days ago
Bangkok Airways
Fri, Jun 20 - Wed, Jun 25
BKK
Bangkok
USM
Koh Samui
$288 Roundtrip, found 8 hours ago
$288
Roundtrip
found 8 hours ago
Select Bangkok Airways flight, departing Fri, Jun 20 from Bangkok to Koh Samui, returning Wed, Jun 25, priced at $288 found 8 hours ago
Bangkok Airways
Fri, Jun 20 - Fri, Jun 27
BKK
Bangkok
USM
Koh Samui
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select Bangkok Airways flight, departing Fri, Jun 20 from Bangkok to Koh Samui, returning Fri, Jun 27, priced at $291 found 6 days ago

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

June is typically the cheapest month to fly

From $171 - $271 per traveler.

Graph displaying average flight prices per month

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