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

Return flights

13 Apr - 11 May	Ryanair
14 Apr - 28 Apr	Wizz Air Malta
16 Apr - 02 May	Air Europa
30 Apr - 16 May	Iberia
24 Apr - 09 May	Ryanair
25 Apr - 11 May	Ryanair
27 Apr - 11 May	Air Europa
26 Apr - 11 May	Ryanair
25 Apr - 10 May	Air Europa
25 Apr - 09 May	Ryanair
05 Apr - 15 Apr	Volotea
05 Apr - 22 Apr	Volotea
26 Apr - 09 May	Ryanair
05 Apr - 14 Apr	Volotea
04 Apr - 11 Apr	Ryanair
13 Apr - 25 Apr	Ryanair
02 Apr - 13 Apr	Ryanair
01 Apr - 18 Apr	Ryanair
01 Apr - 30 Apr	Ryanair
02 Apr - 14 Apr	Ryanair

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

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 April from $840

Return flights