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

Return flights

28 Jan - 11 Feb	Lufthansa
21 Jan - 25 Jan	Lufthansa
21 Jan - 29 Jan	Lufthansa
30 Jan - 02 Feb	Lufthansa
25 Jan - 01 Feb	Lufthansa
26 Jan - 01 Feb	Lufthansa
21 Jan - 01 Feb	Lufthansa
26 Jan - 02 Feb	Lufthansa
30 Jan - 01 Feb	Lufthansa
25 Jan - 11 Feb	Lufthansa
25 Jan - 07 Feb	Lufthansa
19 Jan - 27 Jan	Lufthansa
28 Jan - 30 Jan	Lufthansa
28 Jan - 04 Feb	Lufthansa
19 Jan - 26 Jan	Lufthansa
19 Jan - 23 Jan	Lufthansa
25 Jan - 30 Jan	Lufthansa
21 Jan - 28 Jan	Lufthansa
21 Jan - 30 Jan	Lufthansa
20 Jan - 27 Jan	Lufthansa

Also check the deals for one-way flights from Seoul to Lisbon in January.

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 January from $584

Return flights