Cheapest return flights from Houston to Madrid in December from $595

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

Return flights

24 Dec - 14 Jan British Airways
24 Dec - 08 Jan Iberia
24 Dec - 29 Dec Iberia
24 Dec - 28 Dec Iberia
28 Dec - 08 Jan Air Canada
24 Dec - 31 Dec British Airways
31 Dec - 07 Jan British Airways
28 Dec - 07 Jan British Airways
28 Dec - 31 Dec British Airways
31 Dec - 06 Jan Air Canada
31 Dec - 05 Jan Air Canada
27 Dec - 03 Jan Austrian Airlines
25 Dec - 02 Jan Air Canada
25 Dec - 27 Dec Finnair

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

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