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

Return flights

02 Jun - 11 Jun	Air Canada
15 Jun - 19 Jun	Brussels Airlines
02 Jun - 01 Jul	Air Canada
17 Jun - 09 Jul	Air Canada
29 Jun - 13 Jul	Iberia
04 Jun - 15 Jun	Air Canada
09 Jun - 14 Jun	British Airways
11 Jun - 24 Jun	United
26 Jun - 03 Jul	Iberia
06 Jun - 13 Jun	Iberia
16 Jun - 23 Jun	Iberia
11 Jun - 18 Jun	Iberia
21 Jun - 28 Jun	Iberia

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

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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Cheapest return flights from Houston to Madrid in June from $667

Return flights