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

Return flights

30 Mar - 06 Apr	Air China
06 Mar - 11 Mar	T'way Air
29 Mar - 31 Mar	Air China
02 Mar - 30 Mar	Air China
07 Mar - 22 Mar	T'way Air
04 Mar - 12 Mar	MIAT Mongolian Airlines
10 Mar - 17 Mar	Emirates
02 Mar - 18 Mar	Emirates
03 Mar - 17 Mar	Emirates
03 Mar - 12 Mar	Emirates
04 Mar - 09 Mar	Emirates
25 Mar - 21 Apr	Emirates
26 Mar - 09 Apr	Emirates
29 Mar - 04 Apr	Emirates
02 Mar - 03 Apr	Emirates

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 597€

Return flights