Cheap flights from Rome Fiumicino Airport to Lisbon from $61

In general, February 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 $149. If you are unable to visit Lisbon during the month of February, then departing from Rome Fiumicino Airport during the month November is also very affordable. Most momondo users find prices during this month for around $174.

Our data shows that Thursday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $267. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Rome Fiumicino Airport to Lisbon for around $588.

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $196. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $535 on average. Flights to Lisbon from Rome Fiumicino Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $203 when searching weeks out. 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 $138 on momondo.

There are 3 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.

Ryanair and easyJet are the most popular carriers operating from Rome Fiumicino to Lisbon Humberto Delgado

Ryanair, Wizz Air and TAP AIR PORTUGAL are the top three most popular airlines that fly to Lisbon from Rome Fiumicino Airport according to our data. Ryanair is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 3 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% 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 107 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Ryanair have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

The number of flights available between Rome Fiumicino Airport and Lisbon is 7 per day as of September 2026. The most frequent departure time is 8:00PM, with 35% of daily flights leaving in the evening.

As of September 2026, 55 flights take off from Rome Fiumicino Airport and land in Lisbon each week. The most common flight departure day for this route is Wed, with 56% of weekly flights taking off on this day.