Cheapest one-way flights from Ko Samui to London in September from 559€

Best time to book flights for Ko Samui (USM) to London (LGW) flights at AirHint

AirHint found the following cheapest one-way flights from Ko Samui (USM) to London (LGW) in September 2025 (see full year).

One-Way flights

15 Sep Emirates

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

Skyscanner

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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