AirHint found the following cheapest return flights from London (LCY) to Seoul (GMP) in March 2026 (see full year).

Return flights

11 Mar - 24 Mar	Lufthansa
04 Mar - 24 Mar	Lufthansa
18 Mar - 31 Mar	Lufthansa
04 Mar - 11 Mar	Lufthansa
09 Mar - 31 Mar	Lufthansa
11 Mar - 21 Mar	Lufthansa
12 Mar - 16 Mar	SWISS
02 Mar - 10 Mar	Lufthansa
26 Mar - 14 Apr	Lufthansa
03 Mar - 10 Mar	ITA Airways
04 Mar - 10 Mar	Lufthansa
24 Mar - 07 Apr	SWISS
11 Mar - 01 Apr	ANA
24 Mar - 01 Apr	SWISS
31 Mar - 14 Apr	Air Dolomiti
24 Mar - 23 Apr	SWISS
16 Mar - 16 Apr	SWISS
24 Mar - 16 Apr	SWISS
20 Mar - 07 Apr	SWISS
20 Mar - 14 Apr	SWISS

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

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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Cheapest return flights from London to Seoul in March from $1122

Return flights