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Our cheapest offers for flights to Koh Samui

Here you can compare cheap flights to Koh Samui (USM) for either one-way or return trips. The following offers for Koh Samui were found on our flight search in the last days. Prices may vary depending on the flight route, date and availability.

Flights from Bangkok (BKK) to Koh Samui (USM)

	Outbound	Return	Airlines	Baggage	Price
Best option Bangkok Koh Samui	Outbound 03/02/25 direct PG0101 01h 10min	Return 03/07/25 direct PG0176 01h 15min	Bangkok Airways		$228
Bangkok Koh Samui	Outbound 03/02/25 direct PG0101 01h 10min	Return 03/07/25 direct PG0180 01h 35min	Bangkok Airways	?	$241
Bangkok Koh Samui	Outbound 03/02/25 direct PG0101 01h 10min	Return 03/07/25 direct PG0194 01h 15min	Bangkok Airways	?	$232

Flights from Bangkok-Don Mueang (DMK) to Koh Samui (USM)

	Outbound	Return	Airlines	Baggage	Price
Bangkok-Don Mueang Koh Samui	Outbound 03/02/25 direct PG0455 01h 35min	Return 03/07/25 1 Stopover (CNX) PG0241, FD3434 08h 00min	Bangkok Airways		$223
Bangkok-Don Mueang Koh Samui	Outbound 03/02/25 direct PG0455 01h 35min	Return 03/07/25 direct PG0452 01h 35min	Bangkok Airways	?	$262
Best option Bangkok-Don Mueang Koh Samui	Outbound 03/02/25 direct PG0455 01h 35min	Return 03/07/25 direct PG0454 01h 35min	Bangkok Airways	?	$244

Flights from Frankfurt (FRA) to Koh Samui (USM)

	Outbound	Return	Airlines	Price
Frankfurt Koh Samui	Outbound 03/29/25 2 Stopovers (VIE, BKK) LH6420, LH6370, LH4628 38h 00min	Return 04/02/25 1 Stopover (SIN) PG0963, LH0779 22h 05min	Lufthansa	$881
Frankfurt Koh Samui	Outbound 03/29/25 2 Stopovers (HKG, BKK) CX0288, CX0705, PG0135 19h 40min	Return 04/02/25 2 Stopovers (BKK, HKG) PG0148, CX0704, CX0289 20h 25min	Cathay Pacific Airways, Bangkok Airways	$913
Frankfurt Koh Samui	Outbound 03/29/25 2 Stopovers (HKG, BKK) CX0288, CX0705, PG0135 19h 40min	Return 04/02/25 2 Stopovers (BKK, HKG) PG0148, CX0704, CX0289 20h 25min	Cathay Pacific Airways, Bangkok Airways	$909