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

Return flights

24 Apr - 28 Apr	Icelandair
09 Apr - 20 Apr	Spirit Airlines
13 Apr - 21 Apr	TAP
28 Apr - 05 May	TAP
28 Apr - 04 May	TAP
03 Apr - 06 Apr	Spirit Airlines
30 Apr - 04 May	TAP
08 Apr - 12 Apr	Spirit Airlines
24 Apr - 27 Apr	TAP
14 Apr - 21 Apr	TAP
04 Apr - 15 Apr	Air Canada
13 Apr - 20 Apr	Air Canada
05 Apr - 15 Apr	Air Canada
20 Apr - 13 May	Iberia
30 Apr - 07 May	TAP
30 Apr - 09 May	TAP
24 Apr - 03 May	TAP
28 Apr - 05 May	Air France	direct
20 Apr - 13 May	Air France	direct
29 Apr - 09 May	United

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 $548

Return flights