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

Return flights

17 Jan - 21 Jan	KLM
31 Jan - 06 Feb	Air France
28 Jan - 06 Feb	Air France
30 Jan - 06 Feb	Air France
26 Jan - 04 Feb	Air France
28 Jan - 04 Feb	Air France
25 Jan - 06 Feb	KLM
25 Jan - 04 Feb	KLM
24 Jan - 31 Jan	LOT
21 Jan - 01 Feb	LOT
21 Jan - 31 Jan	LOT
13 Jan - 23 Feb	LOT
28 Jan - 08 Feb	LOT
01 Jan - 08 Jan	Lufthansa
13 Jan - 22 Jan	Lufthansa
11 Jan - 22 Jan	Lufthansa
18 Jan - 27 Jan	Lufthansa
20 Jan - 27 Jan	Lufthansa
13 Jan - 27 Jan	Lufthansa
18 Jan - 28 Jan	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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Seoul to Lisbon in January from 515€

Return flights