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

Return flights

18 Jan - 25 Jan	Ryanair
18 Jan - 28 Jan	Ryanair
19 Jan - 27 Jan	Ryanair
15 Jan - 27 Jan	Ryanair
16 Jan - 30 Jan	Wizz Air
22 Jan - 28 Jan	Ryanair
14 Jan - 18 Feb	Ryanair
19 Jan - 26 Jan	Iberia
21 Jan - 25 Jan	Vueling Airlines
21 Jan - 01 Feb	Ryanair
24 Jan - 03 Feb	Ryanair
23 Jan - 03 Feb	Wizz Air
25 Jan - 03 Feb	Wizz Air
15 Jan - 24 Jan	Wizz Air Malta
23 Jan - 02 Feb	Wizz Air
24 Jan - 07 Feb	Ryanair
31 Jan - 18 Feb	Ryanair
30 Jan - 18 Feb	Ryanair
16 Jan - 23 Jan	TAP
26 Jan - 03 Feb	Ryanair

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 536€

Return flights