AirHint found the following cheapest return flights from Miami (MIA) to London (LHR) in December 2026 (see full year).

Return flights

06 Dec - 15 Dec	Delta
09 Dec - 16 Dec	Virgin Atlantic	direct
29 Dec - 05 Jan	Lufthansa
02 Dec - 13 Dec	Scandinavian Airlines
02 Dec - 13 Dec	British Airways	direct
23 Dec - 06 Jan	Air Canada
26 Dec - 06 Jan	Finnair
17 Dec - 08 Jan	Finnair
19 Dec - 27 Dec	Virgin Atlantic
19 Dec - 27 Dec	Air France	direct
17 Dec - 08 Jan	British Airways	direct
23 Dec - 06 Jan	British Airways	direct
29 Dec - 05 Jan	Iberia	direct

Also check the deals for one-way flights from Miami 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 Miami to London in December from 576€

Return flights