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

Return flights

10 Mar - 17 Mar	KLM
03 Mar - 12 Mar	KLM
08 Mar - 17 Mar	KLM
08 Mar - 13 Mar	KLM
06 Mar - 13 Mar	KLM
04 Mar - 12 Mar	Air France
07 Mar - 11 Mar	KLM
03 Mar - 11 Mar	KLM
06 Mar - 11 Mar	KLM
02 Mar - 06 Mar	Lufthansa
31 Mar - 07 Apr	Lufthansa
25 Mar - 01 Apr	LOT
27 Mar - 03 Apr	KLM
29 Mar - 15 Apr	Lufthansa
11 Mar - 07 Apr	Air France
23 Mar - 07 Apr	Air France
28 Mar - 03 Apr	KLM
04 Mar - 01 Apr	Air France
08 Mar - 17 Apr	Lufthansa
20 Mar - 05 Apr	Lufthansa

Also check the deals for one-way flights from Seoul to Lisbon 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 Seoul to Lisbon in March from 554€

Return flights