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

Return flights

13 Apr - 22 Apr	SWISS
13 Apr - 20 Apr	SWISS
10 Apr - 20 Apr	SWISS
29 Apr - 13 May	SWISS
28 Apr - 12 May	SWISS
18 Apr - 25 Apr	Finnair
22 Apr - 26 Apr	Finnair
08 Apr - 17 Apr	Finnair
08 Apr - 22 Apr	Finnair
09 Apr - 20 Apr	Finnair
16 Apr - 26 Apr	Finnair
10 Apr - 16 Apr	Finnair
17 Apr - 03 May	Finnair
30 Apr - 08 May	Finnair
19 Apr - 03 May	Finnair
22 Apr - 03 May	Finnair
17 Apr - 01 May	Finnair
24 Apr - 02 May	Finnair
16 Apr - 02 May	Finnair
30 Apr - 04 May	Finnair

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

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 London to Miami in April from 396€

Return flights