Cheap flights from Phuket to Koh Samui Islands

View AU$110 flight on Tue, 16 Sep. 2025Opens in a new window

Popular airlines from Phuket to Koh Samui Islands

  • Bangkok Airways

    Bangkok Airways

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Cheap Flights from Phuket (HKT) to Koh Samui Islands (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
Sat, 20 Sep. - Mon, 22 Sep.
HKT
Phuket
USM
Koh Samui
AU$220 Return, found 2 days ago
AU$220
Return
found 2 days ago
Select Bangkok Airways flight, departing Sat, 20 Sep. from Phuket to Koh Samui, returning Mon, 22 Sep., priced at AU$220 found 2 days ago
Bangkok Airways
Mon, 15 Sep. - Tue, 23 Sep.
HKT
Phuket
USM
Koh Samui
AU$222 Return, found 6 days ago
AU$222
Return
found 6 days ago
Select Bangkok Airways flight, departing Mon, 15 Sep. from Phuket to Koh Samui, returning Tue, 23 Sep., priced at AU$222 found 6 days ago
Bangkok Airways
Thu, 4 Sep. - Sun, 7 Sep.
HKT
Phuket
USM
Koh Samui
AU$226 Return, found 2 days ago
AU$226
Return
found 2 days ago
Select Bangkok Airways flight, departing Thu, 4 Sep. from Phuket to Koh Samui, returning Sun, 7 Sep., priced at AU$226 found 2 days ago
Bangkok Airways
Sun, 14 Sep. - Tue, 16 Sep.
HKT
Phuket
USM
Koh Samui
AU$229 Return, found 4 days ago
AU$229
Return
found 4 days ago
Select Bangkok Airways flight, departing Sun, 14 Sep. from Phuket to Koh Samui, returning Tue, 16 Sep., priced at AU$229 found 4 days ago
Bangkok Airways
Sat, 20 Sep. - Mon, 22 Sep.
HKT
Phuket
USM
Koh Samui
AU$282 Return, found 2 days ago
AU$282
Return
found 2 days ago
Select Bangkok Airways flight, departing Sat, 20 Sep. from Phuket to Koh Samui, returning Mon, 22 Sep., priced at AU$282 found 2 days ago
Bangkok Airways
Mon, 15 Sep. - Fri, 19 Sep.
HKT
Phuket
USM
Koh Samui
AU$283 Return, found 3 days ago
AU$283
Return
found 3 days ago
Select Bangkok Airways flight, departing Mon, 15 Sep. from Phuket to Koh Samui, returning Fri, 19 Sep., priced at AU$283 found 3 days ago

Find the cheapest month to fly from Phuket (HKT) to Koh Samui (USM)

June is typically the cheapest month to fly

From AU$209 - AU$364 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.