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

Return flights

04 Mar - 14 Mar	LOT
02 Mar - 20 Mar	LOT
04 Mar - 20 Mar	LOT
01 Mar - 15 Mar	LOT
01 Mar - 13 Mar	LOT
03 Mar - 11 Mar	LOT
10 Mar - 21 Mar	LOT
11 Mar - 22 Mar	LOT
01 Mar - 08 Mar	LOT
14 Mar - 21 Mar	LOT
24 Mar - 03 Apr	LOT
21 Mar - 05 Apr	LOT
22 Mar - 01 Apr	LOT
25 Mar - 05 Apr	LOT
24 Mar - 09 Apr	KLM
30 Mar - 12 Apr	LOT
27 Mar - 12 Apr	KLM
26 Mar - 03 Apr	KLM
31 Mar - 03 Apr	Air France
27 Mar - 03 Apr	KLM

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 $626

Return flights