AirHint found the following cheapest return flights from Ko Samui (USM) to London (LHR) in February 2026 (see full year).

Return flights

18 Feb - 25 Feb	Bangkok Airways
17 Feb - 24 Feb	Scoot
23 Feb - 03 Mar	Bangkok Airways
06 Feb - 08 Feb	Scoot
08 Feb - 15 Feb	Bangkok Airways

Also check the deals for one-way flights from Ko Samui to London in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Ko Samui to London in February from 817€

Return flights