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

Return flights

01 Jul - 09 Jul	Ryanair
13 Jul - 21 Jul	Ryanair
07 Jul - 15 Jul	Ryanair
05 Jul - 15 Jul	Ryanair
02 Jul - 05 Aug	Pegasus Airlines
05 Jul - 13 Jul	Ryanair
11 Jul - 21 Jul	Ryanair
05 Jul - 12 Jul	Ryanair
11 Jul - 19 Jul	Ryanair
10 Jul - 28 Jul	Turkish Airlines
11 Jul - 25 Jul	Ryanair
25 Jul - 08 Aug	Ryanair
28 Jul - 12 Aug	Ryanair
28 Jul - 11 Aug	Ryanair
21 Jul - 01 Aug	Ryanair
20 Jul - 22 Aug	Ryanair
26 Jul - 15 Aug	Ryanair
29 Jul - 05 Aug	Ryanair
11 Jul - 01 Aug	Ryanair
22 Jul - 05 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 $780

Return flights