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

Return flights

21 Jan - 04 Feb	Iberia
05 Jan - 19 Jan	Iberia
05 Jan - 26 Jan	Iberia
15 Jan - 03 Feb	Etihad Airways
08 Jan - 22 Jan	Etihad Airways
15 Jan - 22 Jan	Etihad Airways
11 Jan - 21 Jan	Iberia
16 Jan - 04 Feb	Lufthansa
10 Jan - 17 Jan	Iberia
28 Jan - 08 Feb	Lufthansa
07 Jan - 11 Jan	Finnair
04 Jan - 25 Jan	Finnair
16 Jan - 23 Jan	Etihad Airways
07 Jan - 11 Jan	Korean Air	direct

Also check the deals for one-way flights from Lisbon to Seoul 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 Lisbon to Seoul in January from $719

Return flights