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

Return flights

30 Jul - 20 Aug	British Airways	direct
30 Jul - 21 Aug	British Airways	direct
30 Jul - 06 Aug	jetBlue
18 Jul - 22 Aug	Delta
30 Jul - 06 Aug	British Airways	direct
27 Jul - 12 Aug	British Airways
27 Jul - 12 Aug	Finnair	direct
28 Jul - 04 Aug	United
17 Jul - 28 Jul	Frontier Airlines
22 Jul - 29 Jul	United
28 Jul - 04 Aug	Iberia	direct
22 Jul - 29 Jul	Iberia	direct
24 Jul - 31 Jul	United
06 Jul - 14 Jul	Finnair	direct
06 Jul - 13 Jul	United
18 Jul - 24 Jul	Spirit Airlines
06 Jul - 13 Jul	British Airways	direct
17 Jul - 28 Jul	Finnair	direct
26 Jul - 02 Aug	United
24 Jul - 31 Jul	Iberia	direct

Also check the deals for one-way flights from Philadelphia to Madrid in July.

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 Philadelphia to Madrid in July from 511€

Return flights