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

Return flights

01 Mar - 31 Mar	British Airways
24 Mar - 31 Mar	British Airways
02 Mar - 06 Mar	jetBlue
19 Mar - 26 Mar	Breeze Airways
12 Mar - 18 Mar	Frontier Airlines
07 Mar - 14 Mar	Iberia

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

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 March from $631

Return flights