AirHint found the following cheapest return flights from Phoenix (PHX) to Madrid (MAD) in September 2026 (see full year).
Return flights
| 16 Sep - 29 Sep | Finnair | ||
| 02 Sep - 09 Sep | Finnair | ||
| 20 Sep - 04 Oct | Air Canada | ||
| 03 Sep - 16 Sep | Finnair |
Also check the deals for one-way flights from Phoenix to Madrid in September.
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