฿30,545 Cheap Finnair flights from London to Samui Intl. Airport (LON→USM)

View ฿30,545 flight on Thu, 30 Apr 2026Opens in a new window
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Finnair flights from London to Samui Intl. Airport (LON→USM)

Prices were available within the past 7 days and start at ฿30,545 for one-way flights and ฿47,335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Sun, 1 Nov - Sat, 21 Nov
LHR
London
USM
Koh Samui
฿47,335 Return, found 23 hours ago
฿47,335
Return
found 23 hours ago
Select Finnair flight, departing Sun, 1 Nov from London to Koh Samui, returning Sat, 21 Nov, priced at ฿47,335 found 23 hours ago

Alternative airports near Koh Samui

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

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from ฿48,250
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from ฿48,250

Travel information

Origin airport
Heathrow
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Finnair, KLM, Lufthansa, Qatar Airways, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Popular airline
Qatar Airways
Distance
9836 km
*Available to Expedia members.