Flights to Koh Samui Islands from Phnom Penh - $284

View $284 flight on Mon, Jul 21, 2025Opens in a new window

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Cheap Flights from Phnom Penh to Koh Samui Islands (PNH-USM)

Prices were available within the past 7 days and start at $284 for one-way flights and $550 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Cambodia
Sun, Jul 20 - Thu, Jul 24
PNH
Phnom Penh
USM
Koh Samui
$550 Roundtrip, found 3 days ago
$550
Roundtrip
found 3 days ago
Select Air Cambodia flight, departing Sun, Jul 20 from Phnom Penh to Koh Samui, returning Thu, Jul 24, priced at $550 found 3 days ago
Thai Airways International
Thu, Aug 21 - Wed, Aug 27
PNH
Phnom Penh
USM
Koh Samui
$577 Roundtrip, found 4 days ago
$577
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Thu, Aug 21 from Phnom Penh to Koh Samui, returning Wed, Aug 27, priced at $577 found 4 days ago
Thai Airways International
Thu, Aug 21 - Wed, Aug 27
PNH
Phnom Penh
USM
Koh Samui
$582 Roundtrip, found 4 days ago
$582
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Thu, Aug 21 from Phnom Penh to Koh Samui, returning Wed, Aug 27, priced at $582 found 4 days ago
Thai Vietjet
Mon, Jul 21 - Sun, Jul 27
PNH
Phnom Penh
USM
Koh Samui
$584 Roundtrip, found 3 days ago
$584
Roundtrip
found 3 days ago
Select Thai Vietjet flight, departing Mon, Jul 21 from Phnom Penh to Koh Samui, returning Sun, Jul 27, priced at $584 found 3 days ago
Thai Airways International
Thu, Aug 21 - Wed, Aug 27
PNH
Phnom Penh
USM
Koh Samui
$588 Roundtrip, found 4 days ago
$588
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Thu, Aug 21 from Phnom Penh to Koh Samui, returning Wed, Aug 27, priced at $588 found 4 days ago
Malaysia Airlines
Thu, Aug 21 - Wed, Aug 27
PNH
Phnom Penh
USM
Koh Samui
$936 Roundtrip, found 4 days ago
$936
Roundtrip
found 4 days ago
Select Malaysia Airlines flight, departing Thu, Aug 21 from Phnom Penh to Koh Samui, returning Wed, Aug 27, priced at $936 found 4 days ago

Alternative airports

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

Select flight to Samui Intl. Airport USM. Cheapest option available. Flights from $584
USM
Samui Intl. Airport
Cheapest
Flights from $584
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