AirHint found the following cheapest return flights from Phoenix (PHX) to Madrid (MAD) in December 2026 (see full year).
Return flights
| 11 Dec - 10 Jan | KLM | ||
| 10 Dec - 10 Jan | KLM | ||
| 20 Dec - 11 Jan | British Airways | ||
| 06 Dec - 28 Dec | United | ||
| 25 Dec - 31 Dec | Finnair | ||
| 18 Dec - 29 Dec | Finnair | ||
| 22 Dec - 02 Jan | British Airways |
Also check the deals for one-way flights from Phoenix to Madrid in December.
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