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

Return flights

17 Oct - 23 Oct	Air China
19 Oct - 30 Oct	Emirates
05 Oct - 18 Oct	Air China
17 Oct - 22 Oct	Air China
21 Oct - 27 Oct	Singapore Airlines
16 Oct - 25 Oct	Singapore Airlines
19 Oct - 28 Oct	Singapore Airlines
16 Oct - 24 Oct	Air China
11 Oct - 19 Oct	China Southern
24 Oct - 31 Oct	Emirates
31 Oct - 07 Nov	Singapore Airlines

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

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 London

Cheap car rent in London

Cheapest return flights from Seoul to London in October from $748

Return flights