Cheapest return flights from London to Seoul in October from $633

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

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

Return flights

30 Oct - 10 Nov Air China
28 Oct - 11 Nov Air China
02 Oct - 19 Oct Air China
02 Oct - 13 Oct Air China
02 Oct - 20 Oct Air China
02 Oct - 18 Oct Air China
02 Oct - 11 Oct Air China
31 Oct - 18 Nov Air China
31 Oct - 15 Nov Air China
26 Oct - 01 Nov Air China
24 Oct - 15 Nov SWISS
24 Oct - 08 Nov SWISS
20 Oct - 26 Oct Air China
13 Oct - 25 Oct Air China
18 Oct - 24 Oct Air China
13 Oct - 22 Oct Air China
18 Oct - 29 Oct Air China
20 Oct - 02 Nov Air China
18 Oct - 11 Nov Air China
20 Oct - 17 Nov Air China

Also check the deals for one-way flights from London to Seoul in October.

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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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