AirHint found the following cheapest return flights from Houston (IAH) to Madrid (MAD) in August 2026 (see full year).
Return flights
| 23 Aug - 13 Sep | United | ||
| 21 Aug - 28 Aug | British Airways | ||
| 13 Aug - 29 Aug | Air France | ||
| 05 Aug - 14 Aug | ITA Airways | ||
| 02 Aug - 12 Aug | United | ||
| 08 Aug - 14 Aug | ITA Airways |
Also check the deals for one-way flights from Houston to Madrid in August.
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