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

Return flights

07 Jul - 14 Jul	Air India
01 Jul - 07 Jul	Air India
07 Jul - 19 Jul	Air India
01 Jul - 31 Jul	Air India
01 Jul - 18 Jul	Air India
01 Jul - 01 Aug	Air India
02 Jul - 02 Aug	Air India
06 Jul - 12 Jul	Air India
09 Jul - 19 Jul	Air India
08 Jul - 19 Jul	Air India
01 Jul - 04 Jul	Air India
06 Jul - 17 Jul	Air India
17 Jul - 21 Aug	Lufthansa
31 Jul - 23 Aug	Lufthansa
04 Jul - 09 Aug	Etihad Airways
23 Jul - 06 Aug	Scandinavian Airlines
02 Jul - 24 Aug	Air India
28 Jul - 25 Aug	Scandinavian Airlines
20 Jul - 17 Aug	Scandinavian Airlines
31 Jul - 15 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 556€

Return flights