Cheapest return flights from Philadelphia to Madrid in March from $508

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

Return flights

03 Mar - 11 Mar SWISS
03 Mar - 10 Mar British Airways
04 Mar - 10 Mar Lufthansa
02 Mar - 10 Mar British Airways
02 Mar - 10 Mar Iberia direct
03 Mar - 10 Mar Finnair direct
04 Mar - 10 Mar Iberia direct
03 Mar - 11 Mar Finnair direct
09 Mar - 16 Mar Finnair
18 Mar - 23 Mar British Airways
31 Mar - 13 Apr Delta
31 Mar - 10 Apr British Airways
10 Mar - 11 Apr Iberia
31 Mar - 08 Apr American Airlines direct
24 Mar - 04 Apr TAP
24 Mar - 04 Apr Iberia direct
31 Mar - 05 Apr TAP
10 Mar - 11 Apr Iberia direct
31 Mar - 10 Apr American Airlines direct
27 Mar - 05 Apr Frontier Airlines

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

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