Cheapest return flights from London to Seoul in April from $1137

Best time to book flights for London (STN) to Seoul (ICN) flights at AirHint

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

Return flights

13 Apr - 27 Apr Emirates
14 Apr - 23 Apr Emirates
15 Apr - 29 Apr Emirates
21 Apr - 30 Apr Emirates
20 Apr - 30 Apr Emirates
16 Apr - 23 Apr Emirates
22 Apr - 29 Apr Emirates
20 Apr - 27 Apr Emirates
21 Apr - 05 May Emirates
20 Apr - 26 Apr Emirates
21 Apr - 24 Apr Emirates
22 Apr - 03 May Emirates
24 Apr - 03 May Emirates
10 Apr - 01 May Emirates
10 Apr - 02 May Emirates
09 Apr - 07 May Emirates

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

Skyscanner

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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