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

Return flights

21 Jan - 28 Jan	Iberia	direct
07 Jan - 14 Jan	Iberia	direct
11 Jan - 18 Jan	Iberia	direct
06 Jan - 13 Jan	Iberia
12 Jan - 19 Jan	Iberia	direct
22 Jan - 29 Jan	Iberia	direct
02 Jan - 09 Jan	Iberia
01 Jan - 08 Jan	Iberia
31 Jan - 07 Feb	Iberia	direct

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.

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Cheapest return flights from Philadelphia to Madrid in January from 445€

Return flights