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

Return flights

15 Jan - 24 Jan	Vueling Airlines
20 Jan - 27 Jan	Wizz Air
16 Jan - 28 Jan	Vueling Airlines
20 Jan - 29 Jan	Ryanair
21 Jan - 30 Jan	easyJet
24 Jan - 01 Feb	Vueling Airlines
11 Jan - 21 Jan	Wizz Air
10 Jan - 23 Jan	Wizz Air
30 Jan - 09 Feb	Ryanair
07 Jan - 14 Jan	Vueling Airlines
12 Jan - 21 Jan	Ryanair
05 Jan - 19 Jan	Ryanair
23 Jan - 06 Feb	Iberia
22 Jan - 05 Feb	Ryanair
31 Jan - 08 Feb	easyJet
25 Jan - 08 Feb	Lufthansa
02 Jan - 01 Feb	easyJet
24 Jan - 07 Feb	KLM

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 500€

Return flights