Cheapest return flights from Houston to Madrid in December from 377€

AirHint found the following cheapest return flights from Houston (IAH) to Madrid (MAD) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec Iberia
07 Dec - 16 Dec Iberia
08 Dec - 15 Dec Iberia
08 Dec - 17 Dec United
02 Dec - 09 Dec Brussels Airlines
03 Dec - 11 Dec Brussels Airlines
03 Dec - 12 Dec Lufthansa
02 Dec - 11 Dec United
01 Dec - 08 Dec KLM
03 Dec - 16 Dec United
25 Dec - 08 Jan Frontier Airlines
26 Dec - 10 Jan Spirit Airlines
28 Dec - 08 Jan Iberia
23 Dec - 07 Jan Frontier Airlines
22 Dec - 07 Jan Spirit Airlines
13 Dec - 05 Jan Spirit Airlines
20 Dec - 25 Jan Spirit Airlines
22 Dec - 06 Jan Spirit Airlines
19 Dec - 10 Jan Frontier Airlines
17 Dec - 06 Jan Spirit Airlines

Also check the deals for one-way flights from Houston to Madrid in December.

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