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

Return flights

01 Dec - 10 Dec	Icelandair
01 Dec - 08 Dec	Icelandair
07 Dec - 14 Dec	Aer Lingus
10 Dec - 17 Dec	Delta
04 Dec - 11 Dec	British Airways	direct
14 Dec - 21 Dec	British Airways	direct
24 Dec - 01 Jan	Icelandair
23 Dec - 02 Jan	Air Canada
24 Dec - 02 Jan	Icelandair
24 Dec - 31 Dec	British Airways	direct
23 Dec - 01 Jan	Air Canada
22 Dec - 01 Jan	Air Canada
24 Dec - 02 Jan	American Airlines	direct
24 Dec - 01 Jan	American Airlines	direct
22 Dec - 02 Jan	Air Canada
28 Dec - 02 Jan	jetBlue
25 Dec - 31 Dec	Air Canada
27 Dec - 03 Jan	Aer Lingus
25 Dec - 31 Dec	American Airlines	direct
01 Dec - 08 Dec	Finnair	direct

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 $490

Return flights