Cheapest return flights from London to Miami in September from $609

Best time to book flights for London (LCY) to Miami (MIA) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Miami (MIA) in September 2025 (see full year).

Return flights

10 Sep - 16 Sep SWISS
15 Sep - 29 Sep SWISS
08 Sep - 22 Sep SWISS
15 Sep - 25 Sep SWISS
22 Sep - 30 Sep SWISS
08 Sep - 18 Sep SWISS
11 Sep - 22 Sep SWISS
17 Sep - 21 Sep SWISS
11 Sep - 16 Sep SWISS
15 Sep - 28 Sep SWISS
29 Sep - 06 Oct SWISS
24 Sep - 08 Oct ITA Airways
22 Sep - 02 Oct SWISS
30 Sep - 08 Oct ITA Airways

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

Skyscanner

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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