Cheapest return flights from Houston to Madrid in April from $509

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

Return flights

29 Apr - 07 May Iberia
01 Apr - 08 Apr Iberia
21 Apr - 28 Apr Iberia
14 Apr - 09 May Iberia
22 Apr - 09 May Finnair
03 Apr - 24 Apr British Airways
06 Apr - 13 Apr Iberia
16 Apr - 23 Apr Iberia
07 Apr - 12 Apr Finnair
11 Apr - 18 Apr Iberia

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

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