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

Return flights

22 Jan - 28 Jan	KLM
22 Jan - 29 Jan	KLM
28 Jan - 11 Feb	Air France
07 Jan - 11 Jan	Air China
14 Jan - 24 Jan	LOT
18 Jan - 25 Jan	LOT
18 Jan - 30 Jan	LOT
17 Jan - 24 Jan	LOT
14 Jan - 18 Jan	LOT
17 Jan - 26 Jan	LOT
19 Jan - 28 Jan	LOT
14 Jan - 15 Feb	LOT
31 Jan - 07 Feb	LOT
28 Jan - 01 Feb	LOT
21 Jan - 01 Feb	LOT
28 Jan - 08 Feb	LOT
28 Jan - 06 Feb	LOT
28 Jan - 15 Feb	LOT
30 Jan - 11 Feb	Air France
22 Jan - 01 Feb	KLM

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 $595

Return flights