AirHint found the following cheapest return flights from Jacksonville (JAX) to London (LHR) in January 2026 (see full year).

Return flights

12 Jan - 22 Jan	Air Canada
07 Jan - 14 Jan	British Airways
27 Jan - 03 Feb	British Airways
12 Jan - 19 Jan	British Airways
22 Jan - 29 Jan	British Airways
17 Jan - 24 Jan	British Airways
06 Jan - 31 Jan	KLM
02 Jan - 09 Jan	British Airways
04 Jan - 06 Jan	jetBlue

Also check the deals for one-way flights from Jacksonville to London in January.

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 January from $524

Return flights