AirHint found the following cheapest return flights from Austin (AUS) to Madrid (MAD) in October 2025 (see full year).

Return flights

26 Oct - 11 Nov	Air Canada
27 Oct - 11 Nov	British Airways
06 Oct - 21 Oct	Air Canada
31 Oct - 07 Nov	Iberia
22 Oct - 08 Nov	Iberia
13 Oct - 08 Nov	Iberia
28 Oct - 10 Nov	British Airways
29 Oct - 05 Nov	Iberia
23 Oct - 30 Oct	Air Canada
01 Oct - 07 Oct	British Airways
02 Oct - 08 Oct	British Airways
30 Oct - 10 Nov	British Airways
30 Oct - 04 Nov	Air Canada
15 Oct - 22 Oct	Iberia
27 Oct - 03 Nov	Iberia
09 Oct - 14 Oct	Lufthansa
12 Oct - 20 Oct	Air Canada
12 Oct - 19 Oct	Frontier Airlines
15 Oct - 19 Oct	Spirit Airlines
17 Oct - 24 Oct	Iberia

Also check the deals for one-way flights from Austin to Madrid in October.

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 Austin to Madrid in October from $440

Return flights