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

Return flights

14 May - 21 May	TAP
05 May - 30 May	TAP
06 May - 30 May	TAP
12 May - 06 Jun	TAP
13 May - 06 Jun	TAP
11 May - 26 May	TAP
03 May - 10 May	TAP
11 May - 31 May	TAP
06 May - 13 May	British Airways	direct
01 May - 17 May	TAP
02 May - 25 May	TAP
03 May - 25 May	TAP
21 May - 11 Jun	TAP
12 May - 06 Jun	British Airways	direct
13 May - 06 Jun	British Airways	direct
24 May - 02 Jun	Iberia	direct
26 May - 20 Jun	Iberia	direct
25 May - 20 Jun	British Airways	direct
24 May - 13 Jun	Iberia	direct
26 May - 02 Jun	British Airways	direct

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 $522

Return flights