Cheap flights from Rome Fiumicino Airport to Lisbon from £55

In general, October is the cheapest month to fly from Rome Fiumicino Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £106. If you are unable to visit Lisbon during the month of October, then departing from Rome Fiumicino Airport during the month February is also very affordable. Most momondo users find prices during this month for around £109.

The cheapest day to depart on your flight to Lisbon is on a Saturday when prices can be found for as low as £158. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Rome Fiumicino Airport to Lisbon for around £750.

In the afternoon is the cheapest time of day to fly from Rome Fiumicino Airport to Lisbon when you can find flight prices for as low as £149. Flying to Lisbon in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Lisbon are more costly in the morning, with an average ticket price of £515. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Rome Fiumicino to Lisbon Humberto Delgado for the best Rome Fiumicino - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around £139 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Rome Fiumicino Airport for as low as £88 on momondo.

There are 2 cabin classes available to choose from on Rome Fiumicino Airport to Lisbon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 33% of flights between Rome and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

The number of flights available between Rome Fiumicino Airport and Lisbon is 13 per day as of April 2026. The most frequent departure time is 11:00, with 29% of daily flights leaving at midday.

As of April 2026, 93 flights take off from Rome Fiumicino Airport and land in Lisbon each week. The most common flight departure day for this route is Sun, with 35% of weekly flights taking off on this day.