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

Return flights

05 Mar - 08 Mar	China Eastern
05 Mar - 15 Mar	China Eastern
11 Mar - 18 Mar	China Eastern
01 Mar - 04 Mar	Shanghai Airlines
01 Mar - 08 Mar	Shanghai Airlines
10 Mar - 17 Mar	Jeju Air
23 Mar - 30 Mar	Air China
17 Mar - 14 Apr	Air China
31 Mar - 08 Apr	Air China
31 Mar - 10 Apr	Air China
30 Mar - 12 Apr	Air China
28 Mar - 25 Apr	Air China
28 Mar - 11 Apr	Air China
15 Mar - 23 Mar	Air China
30 Mar - 11 Apr	Air China
30 Mar - 04 Apr	Air China
12 Mar - 16 Mar	China Eastern
23 Mar - 19 Apr	China Eastern
24 Mar - 19 Apr	China Eastern
16 Mar - 23 Mar	China Eastern

Also check the deals for one-way flights from Seoul to London 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 Seoul to London in March from 443€

Return flights