AirHint found the following cheapest return flights from Houston (HOU) to Rome (FCO) in December 2025 (see full year).

Return flights

04 Dec - 09 Dec	WestJet
15 Dec - 10 Jan	Spirit Airlines
11 Dec - 18 Dec	United
27 Dec - 17 Jan	Spirit Airlines
24 Dec - 10 Jan	Lufthansa
12 Dec - 19 Dec	American Airlines
12 Dec - 30 Dec	British Airways
11 Dec - 29 Dec	United
23 Dec - 29 Dec	British Airways
12 Dec - 29 Dec	British Airways
24 Dec - 31 Dec	British Airways
21 Dec - 10 Jan	Spirit Airlines
27 Dec - 04 Jan	Air Canada
27 Dec - 03 Jan	British Airways
20 Dec - 30 Dec	British Airways
28 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Houston 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 Houston to Rome in December from $571

Return flights