Cheapest one-way flights from Houston to Madrid in December from 242€

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

One-Way flights

11 Dec Frontier Airlines
06 Dec Spirit Airlines
13 Dec Spirit Airlines
29 Dec Iberia
25 Dec British Airways
17 Dec Spirit Airlines
28 Dec Lufthansa
26 Dec Frontier Airlines
22 Dec Frontier Airlines
15 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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