AirHint found the following cheapest return flights from Phoenix (PHX) to Madrid (MAD) in September 2026 (see full year).
Return flights
| 12 Sep - 21 Sep | Finnair | ||
| 06 Sep - 19 Sep | British Airways | ||
| 25 Sep - 09 Oct | Finnair | ||
| 13 Sep - 26 Sep | Air France | ||
| 11 Sep - 21 Sep | Iberia |
Also check the deals for one-way flights from Phoenix to Madrid in September.
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