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

Return flights

03 Jun - 18 Jun	Scandinavian Airlines
03 Jun - 17 Jun	Scandinavian Airlines
01 Jun - 15 Jun	LOT
02 Jun - 16 Jun	Air Europa
11 Jun - 18 Jun	Scandinavian Airlines
03 Jun - 16 Jun	Air Europa
05 Jun - 13 Jun	Ryanair
05 Jun - 20 Jun	Ryanair
07 Jun - 19 Jun	Ryanair
24 Jun - 05 Jul	Lufthansa
15 Jun - 23 Jun	KLM

Also check the deals for one-way flights from Porto to Seoul in June.

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 June from 559€

Return flights