Cheap flights from Sihanoukville to Koh Samui

View AU$394 flight on Mon, 8 Sep. 2025Opens in a new window

Popular airlines from Sihanoukville to Koh Samui

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Cheap Flights from Sihanoukville (PNH) to Koh Samui (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.

Thai Airways International
Sun, 31 Aug. - Sat, 6 Sep.
PNH
Phnom Penh
USM
Koh Samui
AU$729 Return, found 4 days ago
AU$729
Return
found 4 days ago
Select Thai Airways International flight, departing Sun, 31 Aug. from Phnom Penh to Koh Samui, returning Sat, 6 Sep., priced at AU$729 found 4 days ago
Thai Airways International
Sun, 31 Aug. - Sat, 6 Sep.
PNH
Phnom Penh
USM
Koh Samui
AU$792 Return, found 4 days ago
AU$792
Return
found 4 days ago
Select Thai Airways International flight, departing Sun, 31 Aug. from Phnom Penh to Koh Samui, returning Sat, 6 Sep., priced at AU$792 found 4 days ago
Bangkok Airways
Sun, 31 Aug. - Sat, 6 Sep.
PNH
Phnom Penh
USM
Koh Samui
AU$817 Return, found 4 days ago
AU$817
Return
found 4 days ago
Select Bangkok Airways flight, departing Sun, 31 Aug. from Phnom Penh to Koh Samui, returning Sat, 6 Sep., priced at AU$817 found 4 days ago
Bangkok Airways
Mon, 18 Aug. - Mon, 25 Aug.
PNH
Phnom Penh
USM
Koh Samui
AU$824 Return, found 4 days ago
AU$824
Return
found 4 days ago
Select Bangkok Airways flight, departing Mon, 18 Aug. from Phnom Penh to Koh Samui, returning Mon, 25 Aug., priced at AU$824 found 4 days ago
Air Cambodia
Sun, 31 Aug. - Sat, 6 Sep.
PNH
Phnom Penh
USM
Koh Samui
AU$892 Return, found 4 days ago
AU$892
Return
found 4 days ago
Select Air Cambodia flight, departing Sun, 31 Aug. from Phnom Penh to Koh Samui, returning Sat, 6 Sep., priced at AU$892 found 4 days ago
Vietnam Airlines
Mon, 8 Sep. - Mon, 15 Sep.
PNH
Phnom Penh
USM
Koh Samui
AU$981 Return, found 21 hours ago
AU$981
Return
found 21 hours ago
Select Vietnam Airlines flight, departing Mon, 8 Sep. from Phnom Penh to Koh Samui, returning Mon, 15 Sep., priced at AU$981 found 21 hours ago
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