Cheapest return LCY–ICN flights, September

AirHint found the following cheapest return flights from London (LCY) to Seoul (ICN) in September 2026 (see full year).

Return flights

21 Sep - 21 Oct Lufthansa
22 Sep - 07 Oct Lufthansa
17 Sep - 07 Oct Lufthansa
08 Sep - 16 Sep Lufthansa
02 Sep - 20 Oct SWISS
09 Sep - 30 Sep Lufthansa
09 Sep - 16 Sep Lufthansa
02 Sep - 16 Sep Lufthansa
01 Sep - 16 Sep Lufthansa
02 Sep - 09 Sep Lufthansa
01 Sep - 09 Sep Lufthansa
03 Sep - 09 Sep Lufthansa
15 Sep - 28 Sep Lufthansa
07 Sep - 30 Sep Lufthansa
01 Sep - 06 Oct KLM
09 Sep - 01 Oct SWISS
30 Sep - 07 Oct Lufthansa
30 Sep - 29 Oct Lufthansa
22 Sep - 06 Oct Lufthansa
24 Sep - 12 Oct KLM

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.