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

Return flights

07 Jul - 14 Jul	Lufthansa
07 Jul - 21 Jul	Lufthansa
07 Jul - 22 Jul	Lufthansa
14 Jul - 28 Jul	Lufthansa
07 Jul - 12 Jul	Air India
01 Jul - 09 Jul	Air India
01 Jul - 10 Jul	Air India
09 Jul - 16 Jul	Lufthansa
09 Jul - 06 Aug	Lufthansa
01 Jul - 14 Jul	Air India
06 Jul - 12 Jul	Air India
28 Jul - 04 Aug	Lufthansa
28 Jul - 03 Aug	Lufthansa
23 Jul - 06 Aug	Austrian Airlines
09 Jul - 12 Aug	Lufthansa
29 Jul - 13 Aug	Lufthansa
09 Jul - 11 Aug	Lufthansa
18 Jul - 04 Aug	Lufthansa
18 Jul - 01 Aug	Lufthansa
20 Jul - 12 Aug	Lufthansa

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 506€

Return flights