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

Return flights

09 Dec - 16 Dec	Delta
09 Dec - 20 Jan	Delta
08 Dec - 14 Dec	Delta
01 Dec - 27 Dec	Air France
10 Dec - 17 Dec	Air France
09 Dec - 09 Jan	Delta
09 Dec - 06 Jan	Delta
10 Dec - 10 Jan	Delta
17 Dec - 30 Dec	Delta
23 Dec - 10 Jan	Delta
18 Dec - 23 Dec	Delta
25 Dec - 30 Dec	Air France
15 Dec - 10 Jan	Air France
20 Dec - 31 Dec	Air France
25 Dec - 03 Jan	KLM
18 Dec - 29 Dec	Air France

Also check the deals for one-way flights from Dallas 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 Dallas to Barcelona in December from $597

Return flights