Cheapest one-way flights from Seoul to London in October from 254€

Best time to book flights for Seoul (ICN) to London (LHR) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (ICN) to London (LHR) in October 2025 (see full year).

One-Way flights

11 Oct Vietnam Airlines
18 Oct Vietnam Airlines
19 Oct Vietnam Airlines
30 Oct Vietnam Airlines
22 Oct Vietnam Airlines
31 Oct Vietnam Airlines
29 Oct Vietnam Airlines
21 Oct Vietnam Airlines
23 Oct Qatar Airways
07 Oct Royal Brunei

Also check the deals for return flights from Seoul to London in October.

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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