Cheapest one-way flights from Houston to Madrid in December from $299

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

One-Way flights

04 Dec Frontier Airlines
02 Dec Frontier Airlines
05 Dec Spirit Airlines
08 Dec British Airways
01 Dec Iberia
25 Dec American Airlines
28 Dec British Airways
22 Dec Spirit Airlines
21 Dec Spirit Airlines
27 Dec British Airways

Also check the deals for return flights from Houston to Madrid in December.

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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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