Cheapest return flights from Houston to Barcelona in September from 542€

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

Return flights

27 Sep - 07 Oct United
30 Sep - 06 Oct United
29 Sep - 25 Oct British Airways
25 Sep - 01 Oct United
29 Sep - 02 Oct Spirit Airlines
17 Sep - 23 Sep United
23 Sep - 18 Oct Spirit Airlines
20 Sep - 11 Oct Frontier Airlines
20 Sep - 27 Sep Frontier Airlines
18 Sep - 23 Sep Spirit Airlines
19 Sep - 11 Oct United

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

Skyscanner

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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