Cheapest return flights from London to Seoul in May from 621€

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

Return flights

07 May - 21 May Ryanair
03 May - 13 May Ryanair
01 May - 06 May Turkish Airlines
01 May - 08 May Turkish Airlines
01 May - 12 May Turkish Airlines
13 May - 22 May Turkish Airlines
08 May - 23 May Turkish Airlines
02 May - 18 May Ryanair
27 May - 05 Jun Turkish Airlines
14 May - 23 May Turkish Airlines
01 May - 10 May Turkish Airlines
27 May - 17 Jun Turkish Airlines
28 May - 14 Jun Turkish Airlines
28 May - 08 Jun Turkish Airlines
25 May - 06 Jun Turkish Airlines
28 May - 10 Jun Turkish Airlines
28 May - 05 Jun Turkish Airlines
20 May - 03 Jun Ryanair
21 May - 01 Jun Ryanair
27 May - 03 Jun Turkish Airlines

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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