Cheapest return flights from London to Seoul in September from $519

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

Return flights

18 Sep - 03 Oct China Eastern
17 Sep - 01 Oct China Eastern
22 Sep - 07 Oct Air China
22 Sep - 05 Oct Air China
27 Sep - 14 Oct Air China
18 Sep - 10 Oct Air China
21 Sep - 05 Oct Air China
17 Sep - 10 Oct Air China
19 Sep - 10 Oct Air China
14 Sep - 05 Oct Air China
04 Sep - 28 Sep AirAsia X
01 Sep - 22 Sep Air India
03 Sep - 22 Sep Air India
21 Sep - 30 Sep Air India
01 Sep - 15 Sep Air India
10 Sep - 24 Sep Air India
07 Sep - 16 Sep Air India
14 Sep - 30 Sep Air India
16 Sep - 30 Sep Air India
08 Sep - 22 Sep Air India

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.