Cheapest one-way flights from Houston to Barcelona in May from $261

AirHint found the following cheapest one-way flights from Houston (IAH) to Barcelona (BCN) in May 2026 (see full year).

One-Way flights

13 May ITA Airways
05 May Frontier Airlines
10 May Frontier Airlines
19 May Spirit Airlines
07 May Spirit Airlines
15 May Frontier Airlines
20 May Spirit Airlines
21 May Frontier Airlines
22 May Spirit Airlines
28 May British Airways

Also check the deals for return flights from Houston to Barcelona in May.

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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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