Cheapest return flights from London to Seoul in May from $822

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

Return flights

01 May - 11 May Turkish Airlines
12 May - 26 May Turkish Airlines
01 May - 08 May Turkish Airlines
13 May - 20 May Turkish Airlines
08 May - 15 May Turkish Airlines
08 May - 22 May Turkish Airlines
07 May - 22 May Turkish Airlines
01 May - 09 May Turkish Airlines
13 May - 23 May Turkish Airlines
08 May - 18 May Turkish Airlines
28 May - 07 Jun Turkish Airlines
31 May - 20 Jun Turkish Airlines
21 May - 11 Jun Turkish Airlines
20 May - 03 Jun Turkish Airlines
30 May - 05 Jun Turkish Airlines
19 May - 10 Jun Turkish Airlines
22 May - 05 Jun Ryanair
22 May - 06 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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