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

Return flights

10 Jun - 17 Jun	Ryanair
10 Jun - 20 Jun	Ryanair
06 Jun - 14 Jun	Ryanair
08 Jun - 16 Jun	Ryanair
19 Jun - 03 Jul	Ryanair
14 Jun - 22 Jun	Ryanair
16 Jun - 24 Jun	Ryanair
07 Jun - 18 Jun	Ryanair
10 Jun - 29 Jun	Ryanair
22 Jun - 29 Jun	Ryanair
10 Jun - 15 Jun	Ryanair
26 Jun - 04 Jul	Pegasus Airlines
22 Jun - 02 Jul	Ryanair
29 Jun - 18 Jul	Turkish Airlines
28 Jun - 06 Jul	Turkish Airlines
30 Jun - 15 Jul	Ryanair
22 Jun - 06 Jul	Turkish Airlines
25 Jun - 10 Jul	Turkish Airlines
26 Jun - 13 Jul	Turkish Airlines
11 Jun - 03 Jul	Ryanair

Also check the deals for one-way flights from London to Seoul in June.

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 June from $637

Return flights