Cheapest return flights from London to Seoul in March from $685

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

Return flights

18 Mar - 01 Apr SWISS
18 Mar - 02 Apr SWISS
18 Mar - 31 Mar SWISS
18 Mar - 26 Mar SWISS
14 Mar - 25 Mar Gulf Air
10 Mar - 30 Mar China Southern
10 Mar - 04 Apr China Southern
13 Mar - 26 Mar Hainan Airlines
16 Mar - 06 Apr Shenzhen Airlines
29 Mar - 02 Apr British Airways
13 Mar - 31 Mar Uzbekistan Airways
25 Mar - 01 Apr SWISS
25 Mar - 02 Apr SWISS
15 Mar - 19 Mar China Eastern
20 Mar - 30 Mar China Eastern
16 Mar - 30 Mar China Eastern
15 Mar - 03 Apr China Eastern
16 Mar - 24 Mar China Eastern
23 Mar - 02 Apr China Eastern
22 Mar - 01 Apr China Eastern

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

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