AirHint found the following cheapest return flights from Houston (HOU) to Madrid (MAD) in July 2026 (see full year).
Return flights
| 30 Jul - 22 Aug | British Airways | ||
| 18 Jul - 01 Aug | Finnair | ||
| 01 Jul - 15 Jul | Finnair | ||
| 02 Jul - 13 Jul | Finnair |
Also check the deals for one-way flights from Houston to Madrid in July.
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