Cheapest one-way flights from Miami to London in December from $183

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

One-Way flights

02 Dec TAP
09 Dec Frontier Airlines
05 Dec TAP
08 Dec Frontier Airlines
06 Dec Frontier Airlines
07 Dec Frontier Airlines
13 Dec Frontier Airlines
15 Dec TAP
12 Dec Spirit Airlines
30 Dec Frontier Airlines

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

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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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