Cheapest return flights from Portland to Madrid in December from $687

AirHint found the following cheapest return flights from Portland (PDX) to Madrid (MAD) in December 2025 (see full year).

Return flights

11 Dec - 24 Dec American Airlines
31 Dec - 08 Jan British Airways
31 Dec - 07 Jan Iberia
13 Dec - 31 Dec British Airways
23 Dec - 28 Dec Alaska Airlines
30 Dec - 05 Jan Aeromexico
22 Dec - 06 Jan Alaska Airlines
17 Dec - 04 Jan Hawaiian Airlines

Also check the deals for one-way flights from Portland to Madrid in December.

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