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

Return flights

30 Jul - 06 Aug	Iberia
23 Jul - 13 Aug	United
16 Jul - 13 Aug	Air Canada
18 Jul - 22 Jul	Air Canada
22 Jul - 29 Jul	United
25 Jul - 07 Aug	United
17 Jul - 22 Jul	Air Canada
07 Jul - 20 Jul	Spirit Airlines
21 Jul - 28 Jul	Air France
17 Jul - 23 Jul	Frontier Airlines
28 Jul - 04 Aug	United
19 Jul - 05 Aug	Spirit Airlines
30 Jul - 08 Aug	Finnair
23 Jul - 03 Aug	Air Canada
14 Jul - 29 Jul	Spirit Airlines
09 Jul - 16 Jul	Spirit Airlines
18 Jul - 27 Jul	Spirit Airlines
18 Jul - 26 Jul	Spirit Airlines
26 Jul - 02 Aug	United
08 Jul - 03 Aug	Air Canada

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

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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Cheapest return flights from Houston to Madrid in July from 582€

Return flights