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

Return flights

02 Jul - 22 Jul	Lufthansa
09 Jul - 16 Jul	Lufthansa
02 Jul - 28 Jul	Lufthansa
16 Jul - 23 Jul	Lufthansa
13 Jul - 23 Jul	Lufthansa
03 Jul - 20 Jul	KLM
06 Jul - 20 Jul	KLM
03 Jul - 19 Jul	KLM
03 Jul - 18 Jul	KLM
10 Jul - 24 Jul	ITA Airways
27 Jul - 03 Aug	Lufthansa
02 Jul - 26 Aug	Lufthansa
25 Jul - 05 Aug	ITA Airways
02 Jul - 25 Aug	Lufthansa
02 Jul - 24 Aug	Lufthansa
20 Jul - 02 Aug	KLM
17 Jul - 17 Aug	ITA Airways
27 Jul - 06 Aug	Lufthansa
23 Jul - 08 Aug	Lufthansa
23 Jul - 09 Aug	KLM

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

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 July from 872€

Return flights