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

Return flights

10 Dec - 15 Dec	KLM
07 Dec - 14 Dec	Delta
11 Dec - 18 Dec	British Airways
11 Dec - 14 Dec	United
10 Dec - 17 Dec	United
14 Dec - 20 Dec	KLM
30 Dec - 09 Jan	Iberia
12 Dec - 14 Dec	United
13 Dec - 20 Dec	Air France
11 Dec - 08 Jan	Frontier Airlines
31 Dec - 07 Jan	Spirit Airlines
05 Dec - 10 Dec	Spirit Airlines
04 Dec - 11 Dec	Spirit Airlines
23 Dec - 11 Jan	Frontier Airlines
23 Dec - 10 Jan	Frontier Airlines
22 Dec - 11 Jan	Frontier Airlines
22 Dec - 10 Jan	Frontier Airlines
18 Dec - 10 Jan	Frontier Airlines
30 Dec - 06 Jan	Air Canada
21 Dec - 10 Jan	Frontier Airlines

Also check the deals for one-way flights from Dallas-Fort Worth 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-Fort Worth to Barcelona in December from 417€

Return flights