AirHint found the following cheapest return flights from Nashville (BNA) to Barcelona (BCN) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar	Finnair
04 Mar - 12 Mar	British Airways
04 Mar - 11 Mar	KLM
24 Mar - 31 Mar	British Airways
10 Mar - 17 Mar	Air France
02 Mar - 09 Mar	Finnair
24 Mar - 01 Apr	Air Canada
21 Mar - 29 Mar	British Airways
19 Mar - 26 Mar	British Airways
11 Mar - 18 Mar	United
17 Mar - 24 Mar	United
31 Mar - 07 Apr	Air France
26 Mar - 02 Apr	British Airways
27 Mar - 03 Apr	Frontier Airlines
30 Mar - 06 Apr	British Airways
28 Mar - 04 Apr	British Airways

Also check the deals for one-way flights from Nashville to Barcelona in March.

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 March from $422

Return flights