AirHint found the following cheapest return flights from Rome (CIA) to Porto (OPO) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
04 Dec - 09 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
12 Dec - 16 Dec	Ryanair
03 Dec - 07 Dec	Ryanair
17 Dec - 12 Jan	Ryanair
18 Dec - 12 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
29 Dec - 01 Jan	Ryanair
31 Dec - 01 Jan	Ryanair
18 Dec - 08 Jan	Ryanair
30 Dec - 05 Jan	Ryanair
18 Dec - 13 Jan	Ryanair
31 Dec - 07 Jan	Ryanair
19 Dec - 12 Jan	Ryanair

Also check the deals for one-way flights from Rome to Porto 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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from Rome to Porto in December from 116€

Return flights