Cheapest return flights from Portland to Amsterdam in December from $717

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

Return flights

31 Dec - 11 Jan Lufthansa
10 Dec - 17 Dec Alaska Airlines
30 Dec - 10 Jan United
15 Dec - 17 Jan Icelandair
14 Dec - 16 Jan Alaska Airlines
14 Dec - 24 Dec Alaska Airlines
31 Dec - 11 Jan KLM direct
23 Dec - 07 Jan United
24 Dec - 03 Jan Delta
21 Dec - 28 Dec Delta direct
10 Dec - 17 Dec Delta direct
14 Dec - 16 Jan Delta direct
14 Dec - 24 Dec Delta direct
22 Dec - 02 Jan Delta

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

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