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

Return flights

07 Jan - 28 Jan	Iberia
07 Jan - 27 Jan	Iberia
13 Jan - 26 Jan	Ryanair
16 Jan - 30 Jan	easyJet
13 Jan - 25 Jan	Ryanair
13 Jan - 23 Jan	Ryanair
11 Jan - 23 Jan	Ryanair
11 Jan - 21 Jan	Ryanair
06 Jan - 16 Jan	Wizz Air
17 Jan - 31 Jan	easyJet
20 Jan - 02 Feb	Ryanair
24 Jan - 06 Feb	Ryanair
19 Jan - 01 Feb	easyJet
23 Jan - 04 Feb	Iberia
21 Jan - 03 Feb	Ryanair
20 Jan - 03 Feb	Ryanair
21 Jan - 04 Feb	LOT
18 Jan - 01 Feb	TAP
28 Jan - 01 Feb	Finnair
22 Jan - 06 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Lisbon to Seoul in January from 550€

Return flights