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

Return flights

13 Jan - 23 Feb	Iberia
07 Jan - 30 Jan	Iberia
07 Jan - 14 Jan	Iberia
12 Jan - 27 Jan	Etihad Airways
24 Jan - 07 Feb	LOT
13 Jan - 22 Feb	Iberia
14 Jan - 22 Feb	Iberia
21 Jan - 22 Feb	Iberia
22 Jan - 22 Feb	Iberia
12 Jan - 22 Feb	Iberia
11 Jan - 20 Feb	Iberia
25 Jan - 08 Feb	Lufthansa
07 Jan - 14 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 622€

Return flights