Cheapest return flights from London to Seoul in April from $738

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

AirHint found the following cheapest return flights from London (LON) to Seoul (ICN) in April 2025 (see full year).

Return flights

28 Apr - 26 May SWISS
28 Apr - 12 May SWISS
01 Apr - 12 Apr Lufthansa
12 Apr - 19 Apr Air China
15 Apr - 22 Apr Air China
12 Apr - 21 Apr Air China
12 Apr - 24 Apr Air China
12 Apr - 25 Apr Air China
28 Apr - 16 May Air China
17 Apr - 05 May Turkish Airlines
06 Apr - 18 Apr LOT
04 Apr - 18 Apr LOT
02 Apr - 11 Apr Lufthansa
17 Apr - 14 May Turkish Airlines
24 Apr - 22 May Turkish Airlines
01 Apr - 22 Apr Lufthansa
18 Apr - 16 May Air France
25 Apr - 02 May Air France
04 Apr - 01 May Air France
16 Apr - 03 May Turkish Airlines

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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