Cheapest return flights from Raleigh-durham to Porto in December from 720€

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Porto (OPO) in December 2025 (see full year).

Return flights

14 Dec - 20 Dec British Airways
24 Dec - 04 Jan Frontier Airlines
13 Dec - 03 Jan jetBlue

Also check the deals for one-way flights from Raleigh-durham to Porto in December.

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