Cheapest return flights from Houston to Barcelona in September from $577

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

Return flights

30 Sep - 07 Oct United
27 Sep - 06 Oct Spirit Airlines
30 Sep - 06 Oct United
27 Sep - 05 Oct Spirit Airlines
27 Sep - 04 Oct Spirit Airlines
19 Sep - 24 Sep Turkish Airlines
13 Sep - 20 Sep Frontier Airlines
17 Sep - 25 Sep Turkish Airlines
16 Sep - 28 Sep Turkish Airlines
23 Sep - 18 Oct Turkish Airlines
18 Sep - 23 Sep Spirit Airlines
11 Sep - 18 Sep Frontier Airlines
24 Sep - 01 Oct United
05 Sep - 13 Sep Frontier Airlines
19 Sep - 11 Oct Turkish Airlines
05 Sep - 27 Sep Frontier Airlines
10 Sep - 15 Sep Frontier Airlines
12 Sep - 04 Oct Frontier Airlines
27 Sep - 07 Oct United
21 Sep - 27 Sep British Airways

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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