Cheapest return flights from Seoul to London in October from 638€

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

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

Return flights

21 Oct - 12 Nov KLM
22 Oct - 29 Oct Finnair
14 Oct - 22 Oct Finnair
15 Oct - 22 Oct Finnair
15 Oct - 25 Oct Finnair
13 Oct - 22 Oct Finnair
14 Oct - 21 Oct Finnair
20 Oct - 27 Oct Finnair
20 Oct - 26 Oct Finnair
22 Oct - 28 Oct Finnair
13 Oct - 11 Nov Finnair
27 Oct - 03 Nov Finnair
29 Oct - 05 Nov Finnair
26 Oct - 03 Nov Finnair
26 Oct - 02 Nov Finnair
29 Oct - 02 Nov Finnair
13 Oct - 31 Oct Finnair
26 Oct - 01 Nov Finnair
31 Oct - 07 Nov Finnair
19 Oct - 03 Nov Finnair

Also check the deals for one-way 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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