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

Return flights

15 Oct - 08 Nov	jetBlue
23 Oct - 15 Nov	jetBlue
06 Oct - 24 Oct	Air Canada
16 Oct - 08 Nov	Spirit Airlines
06 Oct - 13 Oct	British Airways
28 Oct - 04 Nov	United
22 Oct - 29 Oct	United
31 Oct - 07 Nov	United
07 Oct - 14 Oct	United
15 Oct - 22 Oct	United
09 Oct - 16 Oct	United
11 Oct - 18 Oct	United
13 Oct - 20 Oct	United
19 Oct - 26 Oct	United
01 Oct - 08 Oct	United

Also check the deals for one-way flights from Nashville to Barcelona 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 Barcelona in October from $530

Return flights