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

Return flights

19 Aug - 28 Aug	Icelandair
19 Aug - 26 Aug	Icelandair
30 Aug - 06 Sep	Spirit Airlines
18 Aug - 28 Aug	Spirit Airlines
20 Aug - 02 Sep	Spirit Airlines
19 Aug - 29 Aug	Spirit Airlines
20 Aug - 31 Aug	Spirit Airlines
20 Aug - 01 Sep	Spirit Airlines

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

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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Cheapest return flights from Pittsburgh to Barcelona in August from 677€

Return flights