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

Return flights

31 Mar - 07 Apr	Air France
11 Mar - 07 Apr	Air France
31 Mar - 13 Apr	KLM
03 Mar - 10 Mar	KLM
12 Mar - 19 Mar	KLM
10 Mar - 19 Mar	KLM
03 Mar - 13 Mar	KLM
04 Mar - 11 Mar	Air France
19 Mar - 01 Apr	Air France
27 Mar - 01 Apr	Air France
18 Mar - 01 Apr	Air France
20 Mar - 01 Apr	Air France
10 Mar - 17 Mar	KLM
04 Mar - 10 Mar	Lufthansa
16 Mar - 24 Mar	Lufthansa
11 Mar - 29 Mar	LOT
23 Mar - 31 Mar	LOT
25 Mar - 01 Apr	LOT
11 Mar - 08 Apr	Lufthansa
27 Mar - 03 Apr	Air France

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 803CAD

Return flights