Porto to Rome flights in December 2026 from $32 OPO → CIA, FCO, XRJ
Porto Airport (OPO) → Ciampino-G. B. Pastine International Airport (CIA), Leonardo da Vinci-Fiumicino Airport (FCO), Termini Railway. (XRJ)
For departures in December 2026, the cheapest return found recently is $120 with Wizz Air Malta, 18 Dec – 21 Dec, found 4 days ago. The cheapest one-way found recently is $32 with Ryanair, 13 Dec, found 7 days ago.
Return
In December 2026, the cheapest return fare on each of 7 departure dates is usually $103 to $143. Across all 24 departure dates we hold on this route, it is usually $91 to $133. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$120
18 Dec – 21 Dec · Wizz Air Malta
Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO)
out nonstop, back nonstop
found 4 days ago
Cheapest we hold, of any age
$77
12 Dec – 13 Dec · Ryanair
Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO)
out nonstop, back nonstop
found 6 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 12 Dec – 13 Dec | $77 | Ryanair | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 13 Dec – 14 Dec | $85 | Ryanair | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 18 Dec – 21 Dec | $120 | Wizz Air Malta | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 8 Dec – 13 Dec | $121 | TAP Air Portugal | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 5 Dec – 9 Dec | $139 | Ryanair | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Dec – 9 Dec | $139 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 8 Dec – 13 Dec | $121 | TAP Air Portugal | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 12 Dec – 13 Dec | $77 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 13 Dec – 14 Dec | $85 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 14 Dec – 14 Dec | $146 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Dec – 21 Dec | $120 | Wizz Air Malta | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 28 Dec – 30 Dec | $164 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $64.
One-way
We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.
Cheapest one-way found recently
$32
13 Dec · Ryanair
Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO)
nonstop
found 7 days ago
It is also the cheapest one-way we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 13 Dec | $32 | Ryanair | nonstop | found 7 days ago | Open this trip |
Every date we hold
1 departure date
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Dec | $32 | Ryanair | Porto Airport (OPO) → Leonardo da Vinci-Fiumicino Airport (FCO) | nonstop | found 7 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $32.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work