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Lisbon to Rome flights in December 2026 from $37 LIS → CIA, FCO, IRT, XRJ

Lisbon Portela Airport (LIS) → Ciampino-G. B. Pastine International Airport (CIA), Leonardo da Vinci-Fiumicino Airport (FCO), Tiburtina Railway Station (IRT), Termini Railway. (XRJ)

For departures in December 2026, the cheapest return found recently is $114 with Ryanair, 18 Dec – 21 Dec, found 2 days ago. The cheapest one-way found recently is $37 with Ryanair, 2 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $114 to $158. Across all 29 departure dates we hold on this route, it is usually $109 to $152. Of the 5 months with enough return fares to compare, 3 are usually cheaper than December 2026.

Cheapest return found recently

$114

18 Dec – 21 Dec · Ryanair

Lisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)

out nonstop, back nonstop

found 2 days ago

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Cheapest we hold, of any age

$58

12 Dec – 13 Dec · Ryanair

Lisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)

out nonstop, back nonstop

found 6 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec – 13 Dec$58Ryanairout nonstop, back nonstopfound 6 days agoSee prices for these dates
2 Dec – 3 Dec$114Malta Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 21 Dec$114Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Dec – 20 Dec$123Ryanairout nonstop, back nonstopfound 6 days agoSee prices for these dates
5 Dec – 10 Dec$136Ryanairout 1 stop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

9 departure dates

2 Dec – 3 Dec: $114, found 3 days ago5 Dec – 10 Dec: $136, found 4 days ago6 Dec – 10 Dec: $142, found 6 days ago12 Dec – 13 Dec: $58, found 6 days ago16 Dec – 20 Dec: $123, found 6 days ago17 Dec – 23 Dec: $158, found 2 days ago18 Dec – 21 Dec: $114, found 2 days ago20 Dec – 24 Dec: $190, found 5 days ago23 Dec – 2 Jan 2027: $187, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec – 3 Dec$114Malta AirLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 10 Dec$136RyanairLisbon Portela Airport (LIS) → Ciampino-G. B. Pastine International Airport (CIA)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
6 Dec – 10 Dec$142RyanairLisbon Portela Airport (LIS) → Ciampino-G. B. Pastine International Airport (CIA)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
12 Dec – 13 Dec$58RyanairLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 6 days agoSee prices for these dates
16 Dec – 20 Dec$123RyanairLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 6 days agoSee prices for these dates
17 Dec – 23 Dec$158Wizz Air MaltaLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
18 Dec – 21 Dec$114RyanairLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Dec – 24 Dec$190Wizz Air MaltaLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 5 days agoSee prices for these dates
23 Dec – 2 Jan 2027$187Wizz Air MaltaLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $58.

November 2026From $1145 departure dates25 Nov – 29 Nov · found 5 days agoSee prices for these dates
December 2026From $58Cheapest seen9 departure dates12 Dec – 13 Dec · found 6 days agoSee prices for these dates
January 2027From $713 departure dates14 Jan 2027 – 16 Jan 2027 · found 8 days agoSee prices for these dates
February 2027From $1281 departure date6 Feb 2027 – 10 Feb 2027 · found 3 days agoSee prices for these dates
March 2027From $751 departure date5 Mar 2027 – 7 Mar 2027 · found 8 days agoSee prices for these dates
April 2027From $944 departure dates2 Apr 2027 – 6 Apr 2027 · found yesterdaySee prices for these dates
May 2027From $1093 departure dates27 May 2027 – 1 Jun 2027 · found 4 days agoSee prices for these dates
June 2027From $1041 departure date8 Jun 2027 – 15 Jun 2027 · found 4 days agoSee prices for these dates
August 2027From $1611 departure date15 Aug 2027 – 25 Aug 2027 · found 8 days agoSee prices for these dates
September 2027From $1141 departure date22 Sept 2027 – 30 Sept 2027 · found 6 days agoSee prices for these dates

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

$37

2 Dec · Ryanair

Lisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)

nonstop

found 3 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec$37Ryanairnonstopfound 3 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec$37RyanairLisbon Portela Airport (LIS) → Leonardo da Vinci-Fiumicino Airport (FCO)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $29.

December 2026From $371 departure date2 Dec · found 3 days agoOpen this trip
January 2027From $29Cheapest seen4 departure dates27 Jan 2027 · found 3 days agoOpen this trip
February 2027From $362 departure dates20 Feb 2027 · found 6 days agoOpen this trip
March 2027From $521 departure date15 Mar 2027 · found 7 days agoOpen this trip
April 2027From $512 departure dates16 Apr 2027 · found 8 days agoSee prices for these dates
May 2027From $442 departure dates12 May 2027 · found 7 days agoOpen this trip
June 2027From $461 departure date22 Jun 2027 · found 5 days agoOpen this trip
July 2027From $707 departure dates18 Jul 2027 · found 5 days agoOpen this tripEvery date in July 2027
September 2027From $491 departure date24 Sept 2027 · found 8 days agoSee prices for these dates

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