AirHint found the following cheapest return flights from Philadelphia (PHL) to Madrid (MAD) in January 2026 (see full year).

Return flights

14 Jan - 28 Jan	British Airways
20 Jan - 12 Feb	British Airways
14 Jan - 28 Jan	Iberia	direct
27 Jan - 03 Feb	Iberia	direct
20 Jan - 12 Feb	Finnair	direct
21 Jan - 28 Jan	Iberia	direct
15 Jan - 22 Jan	Iberia	direct
19 Jan - 26 Jan	Iberia	direct
23 Jan - 30 Jan	Iberia	direct
15 Jan - 20 Jan	Iberia	direct
29 Jan - 05 Feb	Iberia	direct
25 Jan - 01 Feb	Iberia	direct
12 Jan - 30 Jan	Frontier Airlines
17 Jan - 24 Jan	Iberia	direct
31 Jan - 07 Feb	Iberia	direct
06 Jan - 28 Jan	Frontier Airlines

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

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

Cheapest return flights from Philadelphia to Madrid in January from 440€

Return flights