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

Return flights

20 Jul - 31 Jul	Air China
15 Jul - 21 Jul	Air China
28 Jul - 18 Aug	China Eastern
01 Jul - 07 Jul	Emirates
06 Jul - 13 Jul	Emirates
27 Jul - 16 Aug	China Eastern
10 Jul - 22 Jul	T'way Air
16 Jul - 20 Aug	Qatar Airways
25 Jul - 31 Jul	Air China
25 Jul - 02 Aug	Air China
03 Jul - 19 Jul	Air China
16 Jul - 26 Jul	Air China
14 Jul - 27 Jul	Emirates
13 Jul - 20 Jul	Emirates
21 Jul - 04 Aug	Air China
08 Jul - 11 Aug	Emirates
30 Jul - 08 Aug	T'way Air
23 Jul - 06 Aug	Qatar Airways
17 Jul - 13 Aug	Emirates
26 Jul - 07 Aug	Lufthansa

Also check the deals for one-way flights from Seoul to London 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 Seoul to London in July from 680€

Return flights