AirHint found the following cheapest one-way flights from Porto (OPO) to Seoul (ICN) in August 2026 (see full year).

One-Way flights

11 Aug	Qatar Airways
17 Aug	Qatar Airways
18 Aug	Qatar Airways
19 Aug	Qatar Airways
20 Aug	Qatar Airways
12 Aug	Qatar Airways
21 Aug	Qatar Airways
23 Aug	Qatar Airways
30 Aug	Qatar Airways
14 Aug	Qatar Airways

Also check the deals for return flights from Porto to Seoul in August.

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 one-way flights from Porto to Seoul in August from 414€

One-Way flights