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

Return flights

14 May - 24 May	TAP
14 May - 01 Jun	TAP
11 May - 17 May	TAP
01 May - 05 May	TAP
01 May - 17 May	TAP
13 May - 06 Jun	TAP
08 May - 15 May	TAP
13 May - 20 May	British Airways	direct
03 May - 23 May	TAP
20 May - 25 May	ITA Airways
01 May - 23 May	TAP
01 May - 05 May	Iberia	direct
13 May - 06 Jun	British Airways	direct
18 May - 13 Jun	Air Canada
18 May - 13 Jun	British Airways	direct
20 May - 13 Jun	British Airways	direct
16 May - 06 Jun	Air Canada
14 May - 01 Jun	British Airways	direct
16 May - 06 Jun	British Airways	direct
26 May - 20 Jun	Air Canada

Also check the deals for one-way flights from Miami to London 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 Miami to London in May from 453€

Return flights