Cheapest return flights from London to Seoul in April from 513€

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

Return flights

24 Apr - 05 May Ryanair
28 Apr - 17 May Ryanair
24 Apr - 04 May Ryanair
16 Apr - 19 May Ryanair
22 Apr - 23 May Ryanair
28 Apr - 12 May Ryanair
22 Apr - 10 May Ryanair
27 Apr - 07 May Ryanair
20 Apr - 10 May Ryanair
18 Apr - 16 May Ryanair
15 Apr - 21 Apr Ryanair
14 Apr - 28 Apr Ryanair
18 Apr - 28 Apr Ryanair
15 Apr - 28 Apr Ryanair
19 Apr - 21 Apr Ryanair
17 Apr - 28 Apr Ryanair
16 Apr - 21 Apr Ryanair
19 Apr - 28 Apr Ryanair
19 Apr - 25 Apr Ryanair
23 Apr - 28 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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