Cheapest return flights from London to Seoul in April from $741

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

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

Return flights

28 Apr - 12 May SWISS
01 Apr - 12 Apr Lufthansa
01 Apr - 11 Apr SWISS
25 Apr - 26 May SWISS
02 Apr - 11 Apr Lufthansa
22 Apr - 06 May Air France
04 Apr - 16 Apr Air France
01 Apr - 13 Apr Lufthansa
04 Apr - 18 Apr LOT
24 Apr - 30 Apr Air China
28 Apr - 27 May Air China
26 Apr - 27 May Air China
04 Apr - 01 May Air France
01 Apr - 15 Apr Lufthansa
10 Apr - 17 Apr Air France
02 Apr - 30 Apr Air China
18 Apr - 05 May Turkish Airlines
01 Apr - 01 May Air India
18 Apr - 03 May Turkish Airlines
19 Apr - 04 May Air China

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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