AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Madrid (MAD) in October 2025 (see full year).
One-Way flights
| 10 Oct | Spirit Airlines | ||
| 02 Oct | Frontier Airlines | ||
| 22 Oct | Frontier Airlines | ||
| 06 Oct | British Airways | direct | |
| 22 Oct | British Airways | direct | |
| 19 Oct | Delta | ||
| 10 Oct | Iberia | direct | |
| 03 Oct | British Airways | direct |
Also check the deals for return flights from Philadelphia to Madrid in October.
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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