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

Return flights

02 Mar - 10 Mar	China Eastern
03 Mar - 10 Mar	China Eastern
02 Mar - 08 Mar	China Eastern
02 Mar - 17 Mar	China Eastern
29 Mar - 09 Apr	Air China
28 Mar - 09 Apr	Air China
29 Mar - 04 Apr	Air China
28 Mar - 04 Apr	Air China
29 Mar - 11 Apr	Air China
29 Mar - 06 Apr	Air China
31 Mar - 09 Apr	Air China
31 Mar - 06 Apr	Air China
30 Mar - 13 Apr	Air China
27 Mar - 09 Apr	Air China
16 Mar - 22 Mar	Asiana Airlines
28 Mar - 30 Mar	Air China
19 Mar - 26 Mar	China Eastern
22 Mar - 29 Mar	China Eastern

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Seoul to London in March from $446

Return flights