Cheapest return flights from London to Seoul in September from $580

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 September 2025 (see full year).

Return flights

13 Sep - 25 Oct China Southern
23 Sep - 22 Oct China Southern
22 Sep - 21 Oct China Southern
22 Sep - 13 Oct China Southern
22 Sep - 22 Oct China Southern
18 Sep - 27 Oct China Southern
19 Sep - 11 Oct Air China
24 Sep - 22 Oct Air China
08 Sep - 15 Oct Air China
02 Sep - 14 Sep Lufthansa
02 Sep - 15 Sep Lufthansa
02 Sep - 16 Sep Lufthansa
02 Sep - 12 Sep Lufthansa
11 Sep - 18 Sep Lufthansa
08 Sep - 18 Sep Lufthansa
07 Sep - 14 Sep Lufthansa
08 Sep - 20 Sep Lufthansa
07 Sep - 19 Sep Lufthansa
08 Sep - 17 Sep Lufthansa
29 Sep - 08 Oct Lufthansa

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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