Cheapest return flights from Houston to Madrid in December from 507€

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

Return flights

30 Dec - 20 Jan Delta
29 Dec - 10 Jan KLM
30 Dec - 09 Jan Spirit Airlines
28 Dec - 08 Jan British Airways
22 Dec - 23 Jan KLM
23 Dec - 07 Jan British Airways
22 Dec - 28 Dec Lufthansa
22 Dec - 24 Jan Frontier Airlines
23 Dec - 08 Jan Spirit Airlines
22 Dec - 29 Dec Lufthansa
22 Dec - 07 Jan Frontier Airlines
25 Dec - 02 Jan United

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

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