Cheapest return flights from Phoenix to Madrid in May from $699

Best time to book flights for Phoenix (PHX) to Madrid (MAD) flights at AirHint

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

Return flights

07 May - 14 May United
13 May - 20 May United
13 May - 24 May Air Canada
05 May - 12 May United
15 May - 28 May Frontier Airlines
20 May - 18 Jun Air Canada
16 May - 21 May Frontier Airlines
10 May - 17 May United
19 May - 31 May Frontier Airlines
28 May - 07 Jun Air Canada
12 May - 31 May Frontier Airlines
03 May - 10 May United
21 May - 09 Jun British Airways
01 May - 30 Jun Frontier Airlines
28 May - 04 Jun United
31 May - 07 Jun United
25 May - 01 Jun United

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

Skyscanner

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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