Cheapest return flights from Houston to Barcelona in September from $680

Best time to book flights for Houston (IAH) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Barcelona (BCN) in September 2025 (see full year).

Return flights

11 Sep - 21 Sep Spirit Airlines
11 Sep - 15 Sep Spirit Airlines
24 Sep - 29 Sep Spirit Airlines
01 Sep - 27 Sep Spirit Airlines
23 Sep - 05 Oct Turkish Airlines
09 Sep - 20 Sep Turkish Airlines
25 Sep - 04 Oct Turkish Airlines
05 Sep - 13 Sep Turkish Airlines
20 Sep - 27 Sep United

Also check the deals for one-way flights from Houston to Barcelona in September.

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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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