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

Return flights

29 Aug - 10 Sep	Wizz Air
27 Aug - 15 Sep	Ryanair
27 Aug - 05 Sep	Wizz Air
29 Aug - 05 Sep	Wizz Air
19 Aug - 03 Sep	Wizz Air
28 Aug - 10 Sep	Wizz Air UK
28 Aug - 11 Sep	Wizz Air UK
27 Aug - 02 Sep	Wizz Air
26 Aug - 05 Sep	Wizz Air
30 Aug - 10 Sep	Wizz Air UK
12 Aug - 19 Aug	Wizz Air
12 Aug - 26 Aug	Wizz Air
20 Aug - 26 Aug	Wizz Air
20 Aug - 24 Aug	Wizz Air
15 Aug - 23 Aug	Wizz Air
05 Aug - 13 Aug	Wizz Air
18 Aug - 24 Aug	Ryanair
24 Aug - 29 Aug	Ryanair
07 Aug - 15 Aug	Wizz Air UK
16 Aug - 26 Aug	Ryanair

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

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

Cheapest return flights from London to Seoul in August from 654€

Return flights