Cheap flights from London Heathrow Airport to Rome from £42

In general, January is the cheapest month to fly from London Heathrow Airport to Rome Fiumicino Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £164. If you aren’t able to travel to Rome Fiumicino Airport during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £170.

According to our data, Saturday is the cheapest day to fly to Rome Fiumicino Airport from London Heathrow Airport. The lowest ticket price found for a Saturday departure recently was £182. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Friday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £199.

The cheapest time of day to fly to Rome Fiumicino Airport is at midday when flights can be purchased for as low as £136. Try not to purchase tickets in the afternoon because they tend to be around £296. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Heathrow to Rome Fiumicino for the best London Heathrow - Rome Fiumicino flight prices

You are more likely to see cheaper flights to Rome Fiumicino Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome Fiumicino Airport for around £215 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome Fiumicino Airport from London Heathrow Airport for as low as £174 on momondo.

There are 4 cabin classes available to choose from on London Heathrow Airport to Rome Fiumicino Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 5% on your flight if you consider stops on a London Heathrow Airport to Rome Fiumicino Airport flight.

As of June 2026, prices for London Heathrow Airport to Rome Fiumicino Airport flights are approximately 56% more expensive when compared to flights at the same time last year.

ITA Airways is the most popular carrier operating from London Heathrow to Rome Fiumicino

British Airways, ITA Airways and Lufthansa are the top three most popular airlines that fly to Rome Fiumicino Airport from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 79% of people opting to fly with this airline when travelling to Rome Fiumicino Airport. Keep in mind that there are 4 different airlines that fly to Rome Fiumicino Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between London and Rome have experienced a delay on any given week. The average delay length over the past 12 months has been 120 minutes.

Generally, flights departing in the morning 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. Thursday has historically seen more delays on average compared to the rest of the week.

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

Amsterdam (AMS) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Amsterdam (AMS) offer the lowest average return price of £186.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 4h 35m.

Amsterdam (AMS) has the shortest average stopover time for this route: 0h 58m.

The number of flights available between London Heathrow Airport and Rome Fiumicino Airport is 18 per day as of June 2026. The most frequent departure time is 10:00, with 55% of daily flights leaving at midday.

As of June 2026, 128 flights take off from London Heathrow Airport and land in Rome Fiumicino Airport each week. The most common flight departure day for this route is Fri, with 26% of weekly flights taking off on this day.