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

Return flights

12 May - 20 May	Wizz Air Malta
12 May - 27 May	Wizz Air Malta
07 May - 13 May	Wizz Air
10 May - 20 May	Wizz Air Malta
05 May - 13 May	Wizz Air
14 May - 24 May	easyJet
06 May - 12 May	Wizz Air
11 May - 17 May	easyJet
14 May - 27 May	easyJet
07 May - 16 May	Wizz Air
12 May - 17 Jun	Wizz Air
20 May - 05 Jun	Wizz Air
20 May - 08 Jun	Wizz Air
05 May - 09 Jun	Wizz Air
15 May - 01 Jun	Ryanair
30 May - 10 Jun	Wizz Air
16 May - 01 Jun	Ryanair
28 May - 11 Jun	Wizz Air UK
29 May - 08 Jun	Ryanair
19 May - 23 Jun	Wizz Air

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

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 May from 448€

Return flights