AirHint found the following cheapest return flights from London (LHR) to Pisa (PSA) in December 2025 (see full year).

Return flights

13 Dec - 13 Dec	British Airways
08 Dec - 08 Dec	British Airways
20 Dec - 22 Dec	British Airways	direct
20 Dec - 27 Dec	British Airways	direct
25 Dec - 27 Dec	British Airways	direct
27 Dec - 29 Dec	British Airways	direct
20 Dec - 03 Jan	British Airways	direct
27 Dec - 03 Jan	British Airways	direct
28 Dec - 03 Jan	Iberia
24 Dec - 28 Dec	Iberia
30 Dec - 01 Jan	British Airways
26 Dec - 28 Dec	Iberia
19 Dec - 05 Jan	Aer Lingus
23 Dec - 25 Dec	British Airways
23 Dec - 27 Dec	LOT

Also check the deals for one-way flights from London to Pisa in December.

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 London to Pisa in December from $205

Return flights