Cheapest return flights from Houston to Madrid in September from $476

Best time to book flights for Houston (IAH) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Madrid (MAD) in September 2025 (see full year).

Return flights

21 Sep - 30 Sep United
20 Sep - 30 Sep Air Canada
17 Sep - 24 Sep United
21 Sep - 07 Oct United
21 Sep - 08 Oct United
24 Sep - 15 Oct Air Canada
17 Sep - 17 Oct Air Canada
02 Sep - 09 Sep United
01 Sep - 12 Sep Air Canada
21 Sep - 06 Oct Air France
19 Sep - 26 Sep United
22 Sep - 29 Sep United
25 Sep - 07 Oct Air Canada
18 Sep - 22 Sep British Airways
20 Sep - 05 Oct Air Canada
07 Sep - 14 Sep United
21 Sep - 04 Oct British Airways
04 Sep - 16 Sep Air Canada
19 Sep - 06 Oct United
27 Sep - 04 Oct Iberia

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

Skyscanner

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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