Cheapest return flights from London to Seoul in September from 796€

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

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

Return flights

29 Sep - 14 Oct ITA Airways
29 Sep - 13 Oct ITA Airways
29 Sep - 12 Oct ITA Airways
15 Sep - 20 Oct KLM
08 Sep - 11 Sep ITA Airways
17 Sep - 08 Oct Lufthansa
01 Sep - 08 Sep ITA Airways
30 Sep - 21 Oct ITA Airways
29 Sep - 11 Oct ITA Airways
25 Sep - 10 Oct KLM
10 Sep - 17 Sep KLM
04 Sep - 22 Sep ITA Airways
30 Sep - 11 Oct ITA Airways
11 Sep - 21 Sep KLM
07 Sep - 17 Sep KLM
05 Sep - 12 Sep ITA Airways
11 Sep - 18 Sep KLM
27 Sep - 10 Oct KLM
05 Sep - 19 Sep ITA Airways
04 Sep - 07 Sep KLM

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