Cheapest one-way flights from Seoul to Porto in December from $210

AirHint found the following cheapest one-way flights from Seoul (GMP) to Porto (OPO) in December 2025 (see full year).

One-Way flights

31 Dec Air China
21 Dec Eastar Jet
30 Dec Air China
22 Dec Eastar Jet
27 Dec Air China
23 Dec Air China

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

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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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