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

Return flights

02 Mar - 12 Mar	Ryanair
01 Mar - 08 Mar	Pegasus Airlines
01 Mar - 11 Mar	Pegasus Airlines
09 Mar - 18 Mar	Ryanair
16 Mar - 29 Mar	Ryanair
02 Mar - 13 Mar	Ryanair
25 Mar - 10 Apr	Ryanair
30 Mar - 10 Apr	Ryanair
02 Mar - 09 Mar	Ryanair
11 Mar - 25 Mar	Emirates
12 Mar - 26 Mar	Emirates
04 Mar - 25 Mar	Emirates
17 Mar - 07 Apr	Emirates
14 Mar - 07 Apr	Emirates
16 Mar - 05 Apr	Emirates
14 Mar - 05 Apr	Emirates
31 Mar - 21 Apr	Turkish Airlines
26 Mar - 21 Apr	Turkish Airlines
18 Mar - 04 Apr	Emirates
18 Mar - 05 Apr	Emirates

Also check the deals for one-way flights from London to Seoul 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 London to Seoul in March from $694

Return flights