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

Return flights

30 Sep - 07 Oct	United
29 Sep - 06 Oct	Virgin Atlantic
26 Sep - 01 Oct	Air France
26 Sep - 04 Oct	Air France
27 Sep - 18 Oct	Spirit Airlines
26 Sep - 18 Oct	Spirit Airlines
25 Sep - 18 Oct	Spirit Airlines

Also check the deals for one-way flights from Charlotte to Barcelona in September.

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 September from 449€

Return flights