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

Return flights

20 Jan - 30 Jan	Ryanair
15 Jan - 25 Jan	Ryanair
15 Jan - 28 Jan	Ryanair
18 Jan - 25 Jan	Ryanair
11 Jan - 20 Jan	Ryanair
11 Jan - 15 Jan	Ryanair
13 Jan - 19 Jan	Ryanair
20 Jan - 09 Feb	Ryanair
16 Jan - 20 Jan	Ryanair
17 Jan - 20 Jan	Ryanair
15 Jan - 19 Jan	Air Europa
21 Jan - 02 Feb	Vueling Airlines
25 Jan - 01 Feb	Ryanair
24 Jan - 01 Feb	Ryanair
25 Jan - 11 Feb	Ryanair
29 Jan - 11 Feb	Air Europa
27 Jan - 17 Feb	Ryanair
31 Jan - 07 Feb	Ryanair
25 Jan - 12 Feb	Ryanair
30 Jan - 06 Feb	Air France

Also check the deals for one-way flights from Porto 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 Porto to Seoul in January from $578

Return flights