Cheapest one-way flights from Philadelphia to Barcelona in December from $290

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

One-Way flights

05 Dec Frontier Airlines
15 Dec Frontier Airlines
16 Dec Spirit Airlines
27 Dec Frontier Airlines
01 Dec Aer Lingus
01 Dec British Airways direct
05 Dec Iberia direct
15 Dec British Airways direct
16 Dec British Airways direct
27 Dec Finnair direct

Also check the deals for return flights from Philadelphia to Barcelona in December.

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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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