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

Return flights

18 Apr - 09 May	TAP
15 Apr - 29 Apr	TAP
16 Apr - 19 Apr	TAP
29 Apr - 13 May	TAP
07 Apr - 14 May	TAP
08 Apr - 30 Apr	TAP
17 Apr - 02 May	ITA Airways
01 Apr - 07 Apr	TAP
17 Apr - 24 Apr	TAP
12 Apr - 21 Apr	British Airways
12 Apr - 22 Apr	British Airways
01 Apr - 25 Apr	TAP
15 Apr - 29 Apr	Finnair	direct
01 Apr - 15 Apr	Finnair	direct
29 Apr - 13 May	Finnair	direct
29 Apr - 09 May	United
26 Apr - 03 May	British Airways	direct
17 Apr - 02 May	Finnair	direct
18 Apr - 09 May	Finnair	direct
07 Apr - 14 May	British Airways	direct

Also check the deals for one-way flights from Miami to London 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 Miami to London in April from $386

Return flights