Cheapest return OPO–ICN flights, May

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

Return flights

05 May - 19 May Ryanair
19 May - 30 May Ryanair
01 May - 17 May Ryanair
05 May - 12 May Ryanair
11 May - 18 May Ryanair
17 May - 31 May Ryanair
03 May - 17 May TAP
08 May - 23 May Etihad Airways
03 May - 16 May Ryanair
22 May - 05 Jun Lufthansa
01 May - 04 May Lufthansa

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

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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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