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

Return flights

29 Mar - 08 Apr	Air China
30 Mar - 25 Apr	Air China
31 Mar - 10 Apr	Air China
31 Mar - 12 Apr	Air China
30 Mar - 12 Apr	Air China
31 Mar - 15 Apr	Air China
07 Mar - 14 Mar	China Eastern
01 Mar - 07 Mar	China Eastern
14 Mar - 22 Mar	China Eastern
22 Mar - 31 Mar	China Eastern
16 Mar - 23 Mar	China Eastern
07 Mar - 23 Mar	China Eastern
21 Mar - 28 Mar	China Eastern
28 Mar - 05 Apr	China Eastern
08 Mar - 19 Mar	China Eastern
20 Mar - 29 Mar	China Eastern
01 Mar - 14 Mar	China Eastern
21 Mar - 12 Apr	China Eastern
23 Mar - 06 Apr	China Eastern
21 Mar - 03 Apr	China Eastern

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 859€

Return flights