AirHint found the following cheapest return flights from Philadelphia (PHL) to Barcelona (BCN) in January 2026 (see full year).
Return flights
| 30 Jan - 05 Feb | British Airways | direct | |
| 23 Jan - 29 Jan | Air Canada | ||
| 24 Jan - 29 Jan | Frontier Airlines | ||
| 23 Jan - 29 Jan | Finnair | direct | |
| 16 Jan - 19 Jan | Iberia | ||
| 16 Jan - 19 Jan | British Airways | direct |
Also check the deals for one-way flights from Philadelphia to Barcelona in January.
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