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

Return flights

25 Jan - 31 Jan	Icelandair
18 Jan - 27 Jan	Icelandair
14 Jan - 22 Jan	Icelandair
14 Jan - 21 Jan	Icelandair
29 Jan - 06 Feb	Spirit Airlines
14 Jan - 19 Jan	Icelandair
23 Jan - 01 Feb	Lufthansa
29 Jan - 08 Feb	Spirit Airlines
22 Jan - 25 Jan	Spirit Airlines
27 Jan - 16 Feb	TAP
27 Jan - 06 Feb	Finnair
29 Jan - 09 Feb	SWISS
13 Jan - 18 Jan	Spirit Airlines
31 Jan - 08 Feb	Austrian Airlines
15 Jan - 22 Jan	Spirit Airlines
16 Jan - 19 Jan	Spirit Airlines
14 Jan - 18 Jan	TAP
30 Jan - 08 Feb	Finnair
31 Jan - 08 Feb	Air France	direct
29 Jan - 06 Feb	Air France	direct

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

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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Cheapest return flights from Miami to London in January from $496

Return flights