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

Return flights

07 Jan - 14 Jan	Ryanair
22 Jan - 06 Feb	Ryanair
16 Jan - 24 Jan	Ryanair
04 Jan - 14 Jan	Ryanair
18 Jan - 28 Jan	Lufthansa
20 Jan - 09 Feb	Lufthansa
27 Jan - 17 Feb	Ryanair
10 Jan - 09 Feb	Lufthansa
25 Jan - 01 Feb	KLM
24 Jan - 01 Feb	KLM
06 Jan - 09 Jan	Ryanair
04 Jan - 07 Jan	Turkish Airlines

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.

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Cheapest return flights from Porto to Seoul in January from 571€

Return flights