AirHint found the following cheapest return flights from London (LHR) to Rome (FCO) in December 2026 (see full year).

Return flights

20 Dec - 23 Dec	ITA Airways	direct
03 Dec - 24 Dec	ITA Airways	direct
03 Dec - 14 Dec	British Airways	direct
19 Dec - 23 Dec	ITA Airways	direct
21 Dec - 24 Dec	ITA Airways	direct
16 Dec - 19 Dec	ITA Airways	direct
16 Dec - 20 Dec	ITA Airways	direct
19 Dec - 25 Dec	ITA Airways	direct
22 Dec - 26 Dec	ITA Airways	direct
18 Dec - 23 Dec	Lufthansa

Also check the deals for one-way flights from London to Rome 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 Rome in December from $150

Return flights