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

Return flights

11 Mar - 21 Mar	TAP
02 Mar - 18 Mar	LOT
08 Mar - 18 Mar	LOT
08 Mar - 11 Mar	LOT
18 Mar - 31 Mar	Etihad Airways
04 Mar - 20 Mar	Lufthansa
08 Mar - 22 Mar	Lufthansa
18 Mar - 01 Apr	LOT
16 Mar - 29 Mar	Lufthansa
15 Mar - 29 Mar	Lufthansa
18 Mar - 25 Mar	LOT
25 Mar - 02 Apr	Air France
22 Mar - 07 Apr	LOT
20 Mar - 05 Apr	Finnair
29 Mar - 05 Apr	Finnair
28 Mar - 12 Apr	TAP
27 Mar - 03 Apr	Finnair
29 Mar - 09 Apr	Finnair
26 Mar - 08 Apr	KLM
20 Mar - 05 Apr	Korean Air	direct

Also check the deals for one-way flights from Lisbon 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 Lisbon to Seoul in March from 594€

Return flights