Cheapest return flights from Houston to Madrid in May from $468

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 British Airways
20 May - 27 May Iberia
08 May - 04 Jun Iberia
05 May - 12 May Iberia
10 May - 17 May Iberia
15 May - 30 May British Airways
07 May - 07 Jun British Airways
15 May - 22 May Iberia
25 May - 30 May WestJet

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