AirHint found the following cheapest return flights from Phoenix (PHX) to Madrid (MAD) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	Iberia
05 Dec - 12 Dec	Delta
06 Dec - 14 Dec	Lufthansa
05 Dec - 14 Dec	Air Canada
08 Dec - 15 Dec	Iberia
15 Dec - 24 Dec	American Airlines
14 Dec - 24 Dec	American Airlines
06 Dec - 13 Dec	Iberia
15 Dec - 23 Dec	American Airlines
14 Dec - 23 Dec	American Airlines
23 Dec - 17 Jan	Iberia
30 Dec - 06 Jan	Air France
21 Dec - 10 Jan	Frontier Airlines
20 Dec - 10 Jan	Frontier Airlines
19 Dec - 10 Jan	Spirit Airlines
11 Dec - 03 Jan	Frontier Airlines
13 Dec - 03 Jan	Frontier Airlines
20 Dec - 06 Jan	Frontier Airlines
18 Dec - 05 Jan	Frontier Airlines
22 Dec - 04 Jan	Frontier Airlines

Also check the deals for one-way flights from Phoenix to Madrid in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Phoenix to Madrid in December from $453

Return flights