Cheapest return flights from Philadelphia to Barcelona in August from $854

Best time to book flights for Philadelphia (PHL) to Barcelona (BCN) flights at AirHint

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

Return flights

24 Aug - 31 Aug Iberia
24 Aug - 31 Aug Finnair direct
14 Aug - 21 Aug United
04 Aug - 11 Aug United
29 Aug - 06 Sep TAP
29 Aug - 06 Sep Finnair direct
01 Aug - 10 Aug Iberia
04 Aug - 08 Aug Frontier Airlines
01 Aug - 10 Aug American Airlines direct
04 Aug - 08 Aug Finnair direct

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

Skyscanner

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona