Cheapest return flights from Houston to Madrid in May from $454

AirHint found the following cheapest return flights from Houston (HOU) to Madrid (MAD) in May 2026 (see full year).

Return flights

06 May - 13 May Finnair
06 May - 04 Jun British Airways
03 May - 13 May Air France
03 May - 14 May Air France
03 May - 15 May Air France
06 May - 05 Jun British Airways
12 May - 21 May British Airways
11 May - 25 May British Airways
13 May - 27 May British Airways
12 May - 02 Jun Air Canada
03 May - 16 May Iberia
13 May - 21 May British Airways
02 May - 17 May Air Canada
21 May - 03 Jun British Airways
26 May - 09 Jun Spirit Airlines
26 May - 01 Jun Air Canada
23 May - 06 Jun Air Canada
24 May - 06 Jun Air Canada
22 May - 07 Jun British Airways
27 May - 03 Jun Iberia

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

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