Cheapest one-way flights from Philadelphia to Madrid in March from $290

Best time to book flights for Philadelphia (PHL) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Madrid (MAD) in March 2025 (see full year).

One-Way flights

20 Mar Frontier Airlines
24 Mar Frontier Airlines
05 Mar Frontier Airlines
13 Mar Frontier Airlines
22 Mar Frontier Airlines
21 Mar Spirit Airlines
07 Mar Frontier Airlines
10 Mar American Airlines direct
24 Mar British Airways direct
08 Mar Iberia

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

Skyscanner

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid