Cheap Flights to Koh Samui

View ₩149,400 flight on Mon, Sep 15, 2025Opens in a new window

Popular airlines to Koh Samui

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How much is the cheapest flight to Koh Samui?

Prices were available within the past 7 days and start at ₩149,400 for one-way flights and ₩305,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sat, Oct 18 - Sat, Oct 25
HKT
Phuket
USM
Koh Samui
₩305,900 Roundtrip, found 6 days ago
₩305,900
Roundtrip
found 6 days ago
Select Bangkok Airways flight, departing Sat, Oct 18 from Phuket to Koh Samui, returning Sat, Oct 25, priced at ₩305,900 found 6 days ago
Scoot
Mon, Jul 21 - Fri, Jul 25
SIN
Singapore
USM
Koh Samui
₩354,162 Roundtrip, found 3 days ago
₩354,162
Roundtrip
found 3 days ago
Select Scoot flight, departing Mon, Jul 21 from Singapore to Koh Samui, returning Fri, Jul 25, priced at ₩354,162 found 3 days ago
Emirates
Sat, Oct 18 - Sun, Nov 2
HKG
Hong Kong SAR
USM
Koh Samui
₩590,200 Roundtrip, found 3 days ago
₩590,200
Roundtrip
found 3 days ago
Select Emirates flight, departing Sat, Oct 18 from Hong Kong SAR to Koh Samui, returning Sun, Nov 2, priced at ₩590,200 found 3 days ago
Thai Airways International
Fri, Sep 19 - Mon, Sep 22
KUL
Kuala Lumpur
USM
Koh Samui
₩638,100 Roundtrip, found 4 days ago
₩638,100
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Fri, Sep 19 from Kuala Lumpur to Koh Samui, returning Mon, Sep 22, priced at ₩638,100 found 4 days ago
Vietnam Airlines
Mon, Sep 8 - Mon, Sep 22
HAN
Hanoi
USM
Koh Samui
₩658,600 Roundtrip, found 2 days ago
₩658,600
Roundtrip
found 2 days ago
Select Vietnam Airlines flight, departing Mon, Sep 8 from Hanoi to Koh Samui, returning Mon, Sep 22, priced at ₩658,600 found 2 days ago

Searching for cheap flights to Koh Samui? No travel company presents more choices than Expedia if you're looking to compare flights to Koh Samui. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Surat Thani Province. Expedia provides the cheapest flights to many destinations in Surat Thani Province and you may find even greater savings if you combine your flight with a hotel stay in Koh Samui.

Flights to Koh Samui information
Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Roundtrip price
₩305,900

Trending flights to Koh Samui

Prices were available within the past 7 days and start at ₩149,400 for one-way flights and ₩305,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Mon, Sep 22 - Sun, Sep 28
ICN
Seoul
USM
Koh Samui
₩473,139 Roundtrip, found 2 hours ago
₩473,139
Roundtrip
found 2 hours ago
Select Scoot flight, departing Mon, Sep 22 from Seoul to Koh Samui, returning Sun, Sep 28, priced at ₩473,139 found 2 hours ago
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