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

Return flights

17 Aug - 24 Aug	Spirit Airlines
22 Aug - 06 Sep	Spirit Airlines
16 Aug - 31 Aug	jetBlue
12 Aug - 19 Aug	United
14 Aug - 21 Aug	United
20 Aug - 27 Aug	United
18 Aug - 25 Aug	United
01 Aug - 10 Aug	Spirit Airlines
16 Aug - 23 Aug	United
23 Aug - 30 Aug	United
26 Aug - 02 Sep	United
08 Aug - 15 Aug	United
29 Aug - 05 Sep	United

Also check the deals for one-way flights from Nashville 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 Nashville to Barcelona in August from $589

Return flights