Cheapest return flights from Philadelphia to Barcelona in August from $524

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

18 Aug - 26 Aug Finnair direct
13 Aug - 27 Aug Finnair direct
21 Aug - 04 Sep British Airways
10 Aug - 24 Aug British Airways direct
20 Aug - 27 Aug United
20 Aug - 31 Aug American Airlines
25 Aug - 01 Sep United
15 Aug - 22 Aug United
20 Aug - 31 Aug British Airways direct
21 Aug - 04 Sep Finnair direct
30 Aug - 06 Sep United
01 Aug - 08 Aug United
04 Aug - 11 Aug United
10 Aug - 17 Aug United

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.

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