AirHint found the following cheapest return flights from Atlanta (ATL) to Barcelona (BCN) in December 2025 (see full year).

Return flights

21 Dec - 04 Jan	Scandinavian Airlines
22 Dec - 02 Jan	Scandinavian Airlines
18 Dec - 01 Jan	Scandinavian Airlines
24 Dec - 31 Dec	Air France	direct
22 Dec - 02 Jan	Air France	direct
21 Dec - 04 Jan	Air France	direct
18 Dec - 01 Jan	Air France	direct

Also check the deals for one-way flights from Atlanta to Barcelona in December.

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 Atlanta to Barcelona in December from $843

Return flights