Cheapest return STN–ICN flights, May

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

Return flights

13 May - 21 May Ryanair
31 May - 23 Jun Ryanair
17 May - 25 May Ryanair
19 May - 17 Jun Ryanair
30 May - 17 Jun Ryanair
13 May - 20 May Ryanair
13 May - 04 Jun Ryanair
31 May - 05 Jun Ryanair
31 May - 16 Jun Ryanair
31 May - 19 Jun Ryanair
31 May - 24 Jun Ryanair
31 May - 09 Jun Ryanair
27 May - 03 Jun Ryanair
12 May - 19 May Ryanair
20 May - 31 May Ryanair
09 May - 31 May Turkish Airlines
12 May - 26 May Ryanair
14 May - 26 May Ryanair
15 May - 19 May Ryanair
15 May - 18 May Ryanair

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

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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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