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

Return flights

08 Mar - 21 Mar	Scandinavian Airlines
15 Mar - 25 Mar	LOT
08 Mar - 18 Mar	LOT
11 Mar - 21 Mar	LOT
15 Mar - 21 Mar	LOT
07 Mar - 21 Mar	LOT
04 Mar - 18 Mar	LOT
01 Mar - 18 Mar	LOT
04 Mar - 21 Mar	LOT
15 Mar - 30 Mar	LOT
21 Mar - 02 Apr	LOT
25 Mar - 11 Apr	easyJet
22 Mar - 01 Apr	LOT
22 Mar - 08 Apr	LOT
20 Mar - 01 Apr	Lufthansa
23 Mar - 03 Apr	Finnair
25 Mar - 15 Apr	Finnair
21 Mar - 04 Apr	LOT
22 Mar - 05 Apr	LOT
31 Mar - 07 Apr	LOT

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 605€

Return flights