Cheap flights from London to Rome from $109

The month of January is, on average, the cheapest month to fly to Rome Fiumicino Airport from London, with most prices found around $66. If you’re not able to fly to Rome Fiumicino Airport in January, then December is your next best option. Flight prices from London to Rome Fiumicino Airport during December average around $86.

Our data shows that Wednesday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $224. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London to Rome Fiumicino Airport for around $441.

Our most recent data shows that the best time of day to fly to Rome Fiumicino Airport is in the evening. Flights from London to Rome Fiumicino Airport during this time can be as low as $180. In contrast, the most expensive time of day to depart to Rome Fiumicino Airport is at midday when prices are around $436.

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

You are more likely to see cheaper flights to Rome Fiumicino Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome Fiumicino Airport for around $391 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 for as low as $299 on momondo.

No. A direct flight is the cheapest option for a flight between London to Rome Fiumicino Airport.

As of May 2026, prices for London to Rome Fiumicino Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

Historically, on average around 15% 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 122 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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, ITA Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of May 2026, 16 flights take off from London and land in Rome Fiumicino Airport each day. The most common flight departure time for this route is 10:00, with 49% of daily flights taking off at midday.

As of May 2026, there are 117 flights per week flying from London to Rome Fiumicino Airport. The most common day of the week flights depart is Mon, with 24% of flights taking off on this day.