Cheapest one-way flights from Philadelphia to Madrid in May from 245€

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

One-Way flights

04 May Frontier Airlines
05 May Frontier Airlines
03 May jetBlue
12 May Aer Lingus
06 May Aer Lingus
02 May Spirit Airlines
01 May Aer Lingus
17 May Austrian Airlines
03 May British Airways direct
04 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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