Cheapest one-way flights from Seoul to Porto in October from $361

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

One-Way flights

20 Oct Air China
23 Oct Air China
19 Oct Air China
13 Oct Air China
16 Oct Air China
11 Oct Air China
14 Oct Air China
17 Oct Air China
24 Oct Air China
30 Oct Air China

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

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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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