Cheapest return flights from Philadelphia to Barcelona in March from $578

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

Return flights

26 Mar - 06 Apr jetBlue
21 Mar - 28 Mar TAP
12 Mar - 25 Mar Finnair direct
06 Mar - 15 Mar Frontier Airlines
01 Mar - 08 Mar American Airlines
06 Mar - 09 Mar TAP
06 Mar - 15 Mar Finnair direct
06 Mar - 09 Mar Iberia direct
21 Mar - 28 Mar Iberia direct
26 Mar - 06 Apr British Airways direct

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

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