AirHint found the following cheapest return flights from Jacksonville (JAX) to London (LHR) in October 2025 (see full year).

Return flights

27 Oct - 03 Nov	Lufthansa
29 Oct - 05 Nov	British Airways
15 Oct - 22 Oct	British Airways
21 Oct - 28 Oct	British Airways
24 Oct - 31 Oct	British Airways
03 Oct - 10 Oct	British Airways
09 Oct - 16 Oct	British Airways
12 Oct - 19 Oct	British Airways
10 Oct - 22 Oct	British Airways
06 Oct - 13 Oct	British Airways
16 Oct - 21 Oct	British Airways
18 Oct - 25 Oct	British Airways
11 Oct - 01 Nov	British Airways

Also check the deals for one-way flights from Jacksonville 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 Jacksonville to London in October from 446€

Return flights