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Cheapest one-way flights from Seoul (GMP) to Porto (OPO), September

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Dates, airline, and price
Dates	Airline	Price
12 Sep	Air Busan
17 Sep	Air Busan
18 Sep	EVA Air
25 Sep	EVA Air
16 Sep	EVA Air
26 Sep	EVA Air
11 Sep	EVA Air

deals for return flights from Seoul to Porto in September.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seoul (GMP) to Porto (OPO), September

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