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

Return flights

10 Mar - 17 Mar	Ryanair
05 Mar - 10 Mar	Ryanair
07 Mar - 22 Mar	Ryanair
21 Mar - 25 Mar	Ryanair
03 Mar - 10 Mar	Ryanair
13 Mar - 20 Mar	Ryanair
01 Mar - 11 Mar	Ryanair
14 Mar - 23 Mar	Ryanair
06 Mar - 20 Mar	Ryanair
05 Mar - 19 Mar	Ryanair
24 Mar - 06 Apr	Ryanair
24 Mar - 03 Apr	Ryanair
21 Mar - 13 Apr	Ryanair
21 Mar - 06 Apr	Ryanair
17 Mar - 13 Apr	Ryanair
24 Mar - 08 Apr	Ryanair
20 Mar - 06 Apr	Ryanair
03 Mar - 03 Apr	Ryanair
21 Mar - 08 Apr	Ryanair
24 Mar - 14 Apr	Ryanair

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 546€

Return flights