Cheapest return flights from London to Miami in December from $441

Best time to book flights for London (LON) to Miami (MIA) flights at AirHint

AirHint found the following cheapest return flights from London (LON) to Miami (MIA) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec Icelandair
02 Dec - 07 Dec Icelandair
12 Dec - 24 Dec SWISS
11 Dec - 24 Dec SWISS
05 Dec - 10 Dec SWISS
01 Dec - 15 Dec SWISS
06 Dec - 13 Dec United
05 Dec - 13 Dec United
09 Dec - 16 Dec SWISS
04 Dec - 09 Dec SWISS
31 Dec - 16 Jan Iberia
31 Dec - 16 Jan Finnair direct
15 Dec - 13 Jan Ryanair
06 Dec - 09 Jan TAP
04 Dec - 06 Jan SWISS
15 Dec - 12 Jan TAP
30 Dec - 31 Jan Iberia
24 Dec - 09 Jan TAP
30 Dec - 06 Jan Air Canada
18 Dec - 12 Jan TAP

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

Skyscanner

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 Miami

Cheap car rent in Miami