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

Return flights

02 Mar - 10 Mar	Turkish Airlines
28 Mar - 11 Apr	Air China
12 Mar - 28 Mar	T'way Air
20 Mar - 23 Mar	T'way Air
18 Mar - 31 Mar	T'way Air
20 Mar - 27 Mar	T'way Air
29 Mar - 11 Apr	Etihad Airways
03 Mar - 10 Mar	T'way Air
06 Mar - 13 Mar	Korean Air
28 Mar - 12 Apr	Turkish Airlines
11 Mar - 15 Mar	Air France
27 Mar - 13 Apr	Air France
16 Mar - 23 Mar	Air France
23 Mar - 08 Apr	Air France
31 Mar - 14 Apr	Air France
25 Mar - 31 Mar	Air France
24 Mar - 26 Apr	Air France
30 Mar - 19 Apr	Vietnam Airlines
21 Mar - 07 Apr	Air France
31 Mar - 21 Apr	Air France

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 $814

Return flights