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

Return flights

07 Jul - 15 Jul	SWISS
01 Jul - 07 Jul	KLM
07 Jul - 14 Jul	KLM
07 Jul - 20 Jul	KLM
07 Jul - 21 Jul	KLM
21 Jul - 02 Aug	KLM
03 Jul - 19 Jul	KLM
01 Jul - 31 Jul	KLM
13 Jul - 20 Jul	KLM
13 Jul - 19 Jul	KLM
16 Jul - 26 Jul	KLM
14 Jul - 13 Aug	KLM
17 Jul - 07 Aug	KLM
21 Jul - 19 Aug	SWISS
17 Jul - 18 Aug	KLM
29 Jul - 05 Aug	KLM
21 Jul - 18 Aug	ITA Airways
22 Jul - 05 Aug	KLM
06 Jul - 30 Aug	British Airways
20 Jul - 20 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 $1040

Return flights