Cheapest one-way flights from Ko Samui to London in May from 266€

AirHint found the following cheapest one-way flights from Ko Samui (USM) to London (LHR) in May 2026 (see full year).

One-Way flights

12 May Bangkok Airways
26 May Bangkok Airways
10 May Bangkok Airways
18 May Bangkok Airways
27 May Bangkok Airways
23 May Bangkok Airways
24 May Etihad Airways

Also check the deals for return flights from Ko Samui to London in May.

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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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