Cheapest one-way flights from Miami to London in December from $246

AirHint found the following cheapest one-way flights from Miami (MIA) to London (LHR) in December 2025 (see full year).

One-Way flights

03 Dec Spirit Airlines
10 Dec TAP
05 Dec Iberia For Level
09 Dec Spirit Airlines
01 Dec TAP
06 Dec Spirit Airlines
12 Dec Spirit Airlines
07 Dec Spirit Airlines
14 Dec Spirit Airlines
13 Dec Frontier Airlines

Also check the deals for return flights from Miami to London 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.

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