AirHint found the following cheapest return flights from Phoenix (PHX) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

03 Sep - 11 Sep	Air Canada
10 Sep - 17 Sep	United
16 Sep - 23 Sep	United
04 Sep - 11 Sep	United
01 Sep - 08 Sep	United
07 Sep - 14 Sep	United
19 Sep - 26 Sep	United
22 Sep - 29 Sep	United
25 Sep - 02 Oct	United
28 Sep - 05 Oct	United
13 Sep - 20 Sep	United
18 Sep - 05 Oct	United

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

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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Cheapest return flights from Phoenix to Amsterdam in September from 401€

Return flights