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

Return flights

29 Jun - 07 Jul	British Airways
28 Jun - 07 Jul	Spirit Airlines
28 Jun - 05 Jul	Spirit Airlines
15 Jun - 22 Jun	Frontier Airlines
27 Jun - 16 Jul	Frontier Airlines
28 Jun - 06 Jul	Spirit Airlines
29 Jun - 06 Jul	jetBlue
26 Jun - 03 Jul	Spirit Airlines
16 Jun - 12 Jul	Spirit Airlines
19 Jun - 26 Jun	Spirit Airlines
26 Jun - 03 Jul	British Airways	direct
18 Jun - 24 Jun	Frontier Airlines
19 Jun - 26 Jun	Finnair	direct
29 Jun - 07 Jul	American Airlines	direct
21 Jun - 28 Jun	British Airways	direct
15 Jun - 22 Jun	British Airways	direct
18 Jun - 24 Jun	Iberia	direct

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

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 June from $986

Return flights