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

Return flights

31 Mar - 07 Apr	Turkish Airlines
31 Mar - 14 Apr	Air China
24 Mar - 19 Apr	Turkish Airlines
03 Mar - 14 Mar	Turkish Airlines
10 Mar - 15 Mar	Turkish Airlines
03 Mar - 11 Mar	Turkish Airlines
02 Mar - 06 Mar	Emirates
13 Mar - 22 Mar	Qatar Airways
10 Mar - 14 Mar	Turkish Airlines
17 Mar - 24 Mar	Emirates
12 Mar - 24 Mar	Emirates
16 Mar - 24 Mar	Emirates
29 Mar - 05 Apr	Air China
28 Mar - 10 Apr	Air China
18 Mar - 21 Mar	Emirates
25 Mar - 03 Apr	Emirates
27 Mar - 04 Apr	Emirates
28 Mar - 04 Apr	Air China

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 $702

Return flights