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

Return flights

04 Oct - 13 Oct	Norse Atlantic Airways (UK)	direct
02 Oct - 06 Oct	Frontier Airlines
03 Oct - 12 Oct	Frontier Airlines
08 Oct - 12 Oct	Frontier Airlines
02 Oct - 12 Oct	Frontier Airlines
15 Oct - 03 Nov	Frontier Airlines
08 Oct - 29 Oct	Frontier Airlines
30 Oct - 03 Nov	Frontier Airlines
01 Oct - 15 Oct	Frontier Airlines
06 Oct - 12 Oct	Frontier Airlines
03 Oct - 13 Oct	British Airways
12 Oct - 19 Oct	Frontier Airlines

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

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 October from 310€

Return flights