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

Return flights

06 Oct - 19 Oct	Spirit Airlines
07 Oct - 14 Oct	United
22 Oct - 29 Oct	Iberia
13 Oct - 05 Nov	Air Canada
02 Oct - 09 Oct	United
17 Oct - 24 Oct	United
02 Oct - 13 Oct	jetBlue
12 Oct - 19 Oct	Iberia
27 Oct - 03 Nov	Iberia

Also check the deals for one-way flights from Nashville 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 Nashville to Madrid in October from $557

Return flights