Cheapest one-way flights from Philadelphia to Madrid in May from 346€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Madrid (MAD) in May 2026 (see full year).

One-Way flights

24 May Spirit Airlines
31 May Spirit Airlines
30 May Frontier Airlines
22 May Spirit Airlines
10 May Air France
10 May British Airways direct
31 May British Airways direct
30 May British Airways direct
24 May British Airways direct

Also check the deals for return flights from Philadelphia to Madrid in May.

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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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