AirHint found the following cheapest return flights from Nashville (BNA) to London (LHR) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec	Icelandair
05 Dec - 09 Dec	Icelandair
03 Dec - 07 Dec	Icelandair
03 Dec - 17 Dec	Icelandair
05 Dec - 08 Dec	Icelandair
05 Dec - 10 Dec	Icelandair
03 Dec - 10 Dec	Icelandair
10 Dec - 16 Dec	Icelandair
10 Dec - 14 Dec	Icelandair
06 Dec - 13 Dec	jetBlue
30 Dec - 24 Jan	Air Canada
14 Dec - 10 Jan	jetBlue
31 Dec - 07 Jan	British Airways
06 Dec - 05 Jan	Spirit Airlines
05 Dec - 05 Jan	Allegiant Air
29 Dec - 24 Jan	British Airways
15 Dec - 10 Jan	Spirit Airlines
23 Dec - 17 Jan	Spirit Airlines
24 Dec - 01 Jan	Spirit Airlines
22 Dec - 01 Jan	Spirit Airlines

Also check the deals for one-way flights from Nashville to London in December.

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 London in December from 425€

Return flights