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

Return flights

02 Dec - 09 Dec	British Airways	direct
03 Dec - 10 Dec	United
09 Dec - 16 Dec	British Airways	direct
03 Dec - 10 Dec	Iberia	direct
10 Dec - 17 Dec	Air Canada
08 Dec - 15 Dec	Iberia	direct
06 Dec - 13 Dec	Spirit Airlines
13 Dec - 20 Dec	Iberia
08 Dec - 13 Dec	Spirit Airlines
13 Dec - 07 Jan	British Airways
16 Dec - 23 Dec	KLM
18 Dec - 06 Jan	Air Canada
19 Dec - 07 Jan	British Airways
22 Dec - 05 Jan	Lufthansa
23 Dec - 04 Jan	British Airways
22 Dec - 05 Jan	Finnair	direct
23 Dec - 04 Jan	Finnair	direct
19 Dec - 07 Jan	Finnair	direct

Also check the deals for one-way flights from Dallas-Fort Worth to Madrid 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 Madrid in December from 402€

Return flights