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

Return flights

14 Mar - 26 Mar	Wizz Air Malta
09 Mar - 26 Mar	Ryanair
11 Mar - 28 Mar	Ryanair
09 Mar - 19 Mar	Ryanair
12 Mar - 19 Mar	Ryanair
02 Mar - 07 Mar	Ryanair
02 Mar - 14 Mar	Ryanair
08 Mar - 21 Mar	Ryanair
02 Mar - 16 Mar	Ryanair
07 Mar - 22 Mar	Ryanair
26 Mar - 02 Apr	Wizz Air
26 Mar - 07 Apr	Wizz Air
15 Mar - 15 Apr	Ryanair
28 Mar - 07 Apr	Wizz Air
26 Mar - 05 Apr	Wizz Air
21 Mar - 09 Apr	Wizz Air Malta
31 Mar - 15 Apr	Wizz Air UK
26 Mar - 12 Apr	Wizz Air
29 Mar - 12 Apr	Wizz Air
31 Mar - 08 Apr	Wizz Air UK

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 633€

Return flights