Cheapest return flights from Philadelphia to Barcelona in December from 582€

AirHint found the following cheapest return flights from Philadelphia (PHL) to Barcelona (BCN) in December 2025 (see full year).

Return flights

15 Dec - 10 Jan Frontier Airlines
07 Dec - 14 Dec Frontier Airlines
03 Dec - 10 Dec Spirit Airlines
07 Dec - 16 Dec Air Canada
29 Dec - 24 Jan Iberia
15 Dec - 13 Jan Frontier Airlines
07 Dec - 14 Dec British Airways direct
29 Dec - 24 Jan British Airways direct
15 Dec - 22 Dec Aer Lingus
16 Dec - 14 Jan Frontier Airlines
13 Dec - 26 Dec Spirit Airlines
12 Dec - 26 Dec Frontier Airlines
07 Dec - 16 Dec Iberia direct
17 Dec - 10 Jan Spirit Airlines
22 Dec - 17 Jan Frontier Airlines
26 Dec - 10 Jan Frontier Airlines
21 Dec - 10 Jan Frontier Airlines
16 Dec - 14 Jan British Airways direct
14 Dec - 20 Dec Frontier Airlines

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

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