Cheapest return PHL–AMS flights, September

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

Return flights

16 Sep - 23 Sep Aer Lingus
17 Sep - 22 Sep jetBlue
12 Sep - 18 Sep Aer Lingus
12 Sep - 23 Sep Aer Lingus
01 Sep - 22 Sep Aer Lingus
13 Sep - 20 Sep Aer Lingus
03 Sep - 12 Sep Allegiant Air
29 Sep - 03 Oct Aer Lingus
01 Sep - 22 Sep Finnair direct
12 Sep - 23 Sep Finnair direct
13 Sep - 20 Sep Finnair direct

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

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