Cheapest return flights from Philadelphia to Madrid in September from 716€

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

Return flights

18 Sep - 27 Sep Delta
18 Sep - 26 Sep Delta
18 Sep - 27 Sep Finnair direct
08 Sep - 20 Sep Delta
08 Sep - 20 Sep Finnair direct
07 Sep - 19 Sep British Airways
07 Sep - 19 Sep Finnair direct
10 Sep - 20 Sep Finnair direct

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

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