Cheapest return flights from Philadelphia to Madrid in May from 667€

Best time to book flights for Philadelphia (PHL) to Madrid (MAD) flights at AirHint

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

Return flights

15 May - 19 May Spirit Airlines
05 May - 20 May Finnair direct
13 May - 20 May Finnair
06 May - 13 May United
01 May - 15 May Finnair direct
16 May - 23 May United
11 May - 18 May United
13 May - 20 May British Airways direct
11 May - 17 May Finnair
01 May - 11 May Finnair direct
29 May - 15 Jun Condor
29 May - 02 Jun Condor
27 May - 03 Jun United
26 May - 02 Jun United
29 May - 15 Jun Finnair direct
31 May - 07 Jun United
29 May - 02 Jun Iberia direct

Also check the deals for one-way flights from Philadelphia 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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