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

Return flights

05 Dec - 16 Dec	Air Canada
03 Dec - 15 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
01 Dec - 08 Dec	United
11 Dec - 18 Dec	United
31 Dec - 07 Jan	United
13 Dec - 20 Dec	Aer Lingus
19 Dec - 27 Dec	Icelandair
21 Dec - 28 Dec	British Airways
26 Dec - 04 Jan	United
01 Dec - 10 Dec	Finnair	direct
20 Dec - 04 Jan	Aer Lingus
26 Dec - 04 Jan	Aer Lingus	direct
20 Dec - 04 Jan	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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Nashville to London in December from 445€

Return flights