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

Return flights

28 Jul - 04 Aug	Ryanair
02 Jul - 13 Jul	Ryanair
02 Jul - 10 Jul	Ryanair
02 Jul - 05 Jul	Pegasus Airlines
06 Jul - 21 Jul	Ryanair
01 Jul - 16 Jul	Pegasus Airlines
09 Jul - 21 Jul	Ryanair
09 Jul - 16 Jul	Ryanair
07 Jul - 21 Jul	Ryanair
09 Jul - 19 Jul	Ryanair
09 Jul - 17 Jul	Ryanair
29 Jul - 06 Aug	Ryanair
27 Jul - 03 Aug	Ryanair
22 Jul - 01 Aug	Ryanair
14 Jul - 06 Aug	Ryanair
22 Jul - 24 Aug	Ryanair
24 Jul - 21 Aug	Ryanair
21 Jul - 04 Aug	Ryanair
29 Jul - 10 Aug	Ryanair
20 Jul - 01 Aug	Ryanair

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 674€

Return flights