Cheapest return flights from London to Seoul in October from $632

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

19 Oct - 26 Oct Shenzhen Airlines
28 Oct - 12 Nov Air China
28 Oct - 04 Nov Air China
30 Oct - 12 Nov China Southern
29 Oct - 13 Nov China Southern
31 Oct - 08 Nov China Southern
31 Oct - 07 Nov China Southern
21 Oct - 26 Nov SWISS
21 Oct - 04 Nov SWISS
18 Oct - 22 Oct Shenzhen Airlines
21 Oct - 27 Oct Air China
14 Oct - 22 Oct Air China
21 Oct - 28 Oct Air China
14 Oct - 28 Oct Air China
21 Oct - 05 Nov Air China
27 Oct - 02 Nov Air China
18 Oct - 24 Oct China Southern
23 Oct - 30 Oct Finnair
01 Oct - 22 Oct Finnair
22 Oct - 30 Oct Finnair

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

Book a cheap hotel in Seoul

Cheap car rent in Seoul