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

Return flights

03 Mar - 11 Mar	KLM
07 Mar - 13 Mar	KLM
08 Mar - 13 Mar	KLM
06 Mar - 11 Mar	KLM
03 Mar - 13 Mar	KLM
07 Mar - 11 Mar	KLM
24 Mar - 21 Apr	Air France
11 Mar - 18 Mar	Air France
12 Mar - 18 Mar	KLM
08 Mar - 18 Mar	KLM
06 Mar - 20 Mar	KLM
23 Mar - 02 Apr	Air France
24 Mar - 01 Apr	Air France
29 Mar - 07 Apr	KLM
25 Mar - 01 Apr	Lufthansa
04 Mar - 12 Apr	LOT
22 Mar - 01 Apr	Lufthansa
25 Mar - 22 Apr	LOT
30 Mar - 13 Apr	Turkish Airlines
21 Mar - 03 Apr	LOT

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 504€

Return flights