Cheapest return flights from London to Seoul in April from 631€

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

Return flights

25 Apr - 11 May Ryanair
23 Apr - 08 May Ryanair
20 Apr - 20 May Ryanair
20 Apr - 27 Apr Turkish Airlines
17 Apr - 27 Apr Turkish Airlines
24 Apr - 08 May Ryanair
27 Apr - 08 May Ryanair
14 Apr - 27 Apr Turkish Airlines
13 Apr - 27 Apr Turkish Airlines
15 Apr - 27 Apr Turkish Airlines
20 Apr - 04 May Turkish Airlines
26 Apr - 10 May Turkish Airlines
29 Apr - 11 May Ryanair
28 Apr - 20 May Ryanair
18 Apr - 26 Apr Ryanair
25 Apr - 08 May Ryanair
22 Apr - 29 Apr Turkish Airlines
20 Apr - 29 Apr Turkish Airlines
23 Apr - 29 Apr Turkish Airlines
15 Apr - 26 Apr Ryanair

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

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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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