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

Return flights

18 Aug - 03 Sep	Spirit Airlines
13 Aug - 20 Aug	United
19 Aug - 26 Aug	United
13 Aug - 27 Aug	Air Canada
15 Aug - 22 Aug	United
16 Aug - 02 Sep	British Airways
17 Aug - 24 Aug	United
21 Aug - 28 Aug	United
25 Aug - 01 Sep	United
23 Aug - 27 Aug	Spirit Airlines
23 Aug - 30 Aug	United
03 Aug - 05 Aug	Spirit Airlines
04 Aug - 05 Aug	Spirit Airlines
31 Aug - 07 Sep	United
27 Aug - 03 Sep	United
29 Aug - 05 Sep	United

Also check the deals for one-way flights from Charlotte 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 Charlotte to Barcelona in August from 419€

Return flights