Cheapest return flights from Houston to Barcelona in May from $501

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

Return flights

06 May - 13 May Frontier Airlines
03 May - 10 May ITA Airways
05 May - 04 Jun Frontier Airlines
19 May - 27 May Spirit Airlines
19 May - 25 May Spirit Airlines
10 May - 23 May British Airways
20 May - 27 May Spirit Airlines
19 May - 24 May Spirit Airlines
23 May - 31 May Spirit Airlines
27 May - 03 Jun Spirit Airlines
28 May - 04 Jun Frontier Airlines
21 May - 28 May Frontier Airlines
23 May - 02 Jun Frontier Airlines
29 May - 05 Jun Frontier Airlines
22 May - 29 May Frontier Airlines
31 May - 07 Jun Spirit Airlines
25 May - 01 Jun Spirit Airlines
26 May - 02 Jun Frontier Airlines
30 May - 06 Jun Spirit Airlines

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

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