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

Return flights

06 May - 13 May	Air Canada
06 May - 19 May	Air Canada
12 May - 19 May	Air Canada
05 May - 19 May	Air Canada
01 May - 06 May	TAP
01 May - 12 May	Air Canada
10 May - 17 May	Air Canada
11 May - 21 May	British Airways
11 May - 20 May	British Airways
15 May - 19 May	Air Canada
18 May - 01 Jun	TAP
29 May - 02 Jun	United
27 May - 03 Jun	Air Canada
25 May - 02 Jun	United
20 May - 01 Jun	British Airways
20 May - 10 Jun	British Airways
30 May - 06 Jun	TAP
26 May - 17 Jun	Air Canada
30 May - 13 Jun	Air Canada
20 May - 07 Jun	Air Canada

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

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 May from $567

Return flights