AirHint found the following cheapest return flights from Houston (IAH) to Barcelona (BCN) in August 2026 (see full year).
Return flights
| 11 Aug - 25 Aug | Frontier Airlines | ||
| 05 Aug - 13 Aug | Delta | ||
| 01 Aug - 11 Aug | Air France | ||
| 30 Aug - 12 Sep | Air Canada | ||
| 01 Aug - 05 Aug | Air Canada | ||
| 07 Aug - 09 Aug | Lufthansa |
Also check the deals for one-way flights from Houston to Barcelona in August.
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