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

Return flights

01 Jul - 08 Jul	Turkish Airlines
07 Jul - 14 Jul	Turkish Airlines
02 Jul - 21 Jul	Turkish Airlines
02 Jul - 05 Jul	Turkish Airlines
07 Jul - 18 Jul	Turkish Airlines
06 Jul - 20 Jul	Turkish Airlines
09 Jul - 23 Jul	Ryanair
01 Jul - 31 Jul	Turkish Airlines
05 Jul - 12 Jul	Turkish Airlines
05 Jul - 19 Jul	Turkish Airlines
31 Jul - 05 Aug	Ryanair
02 Jul - 05 Aug	Emirates
08 Jul - 08 Aug	Emirates
17 Jul - 01 Aug	Turkish Airlines
25 Jul - 01 Aug	Turkish Airlines
31 Jul - 07 Aug	Turkish Airlines

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 716€

Return flights