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

Return flights

05 Aug - 21 Aug	Norwegian Air Sweden AOC
22 Aug - 05 Sep	Norwegian Air Sweden AOC
28 Aug - 11 Sep	easyJet
30 Aug - 06 Sep	Vueling Airlines
21 Aug - 13 Sep	Wizz Air UK
27 Aug - 12 Sep	easyJet
24 Aug - 13 Sep	Qatar Airways
10 Aug - 14 Aug	Turkish Airlines
14 Aug - 22 Aug	Norwegian
28 Aug - 13 Sep	Qatar Airways
24 Aug - 06 Sep	easyJet
07 Aug - 12 Aug	Wizz Air UK
26 Aug - 02 Sep	Qatar Airways
12 Aug - 19 Aug	Ryanair
02 Aug - 23 Aug	Wizz Air UK
16 Aug - 30 Aug	easyJet
19 Aug - 28 Aug	easyJet
15 Aug - 31 Aug	Turkmenistan Airlines
22 Aug - 06 Sep	Qatar Airways
04 Aug - 10 Aug	Turkish Airlines

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.

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Cheapest return flights from London to Seoul in August from $965

Return flights