Cheapest return PDX–AMS flights, September

AirHint found the following cheapest return flights from Portland (PDX) to Amsterdam (AMS) in September 2026 (see full year).

Return flights

06 Sep - 16 Sep Icelandair
01 Sep - 15 Sep Icelandair
29 Sep - 13 Oct Alaska Airlines
19 Sep - 03 Oct Alaska Airlines
29 Sep - 13 Oct Delta direct
19 Sep - 03 Oct Delta direct
06 Sep - 16 Sep Delta direct

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

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