Cheap flights from Rome to London from $66

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Rome, with most prices found around $56. If you’re not able to fly to London Heathrow Airport in September, then November is your next best option. Flight prices from Rome to London Heathrow Airport during November average around $66.

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $366. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $702.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Rome to London Heathrow Airport in the afternoon for as low as $290. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $690.

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

You are more likely to see cheaper flights to London Heathrow Airport from Rome when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Rome for as low as $200 on momondo.

There are 4 cabin classes available to choose from on Rome to London Heathrow 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 22% on your flight if you consider stops on a Rome to London Heathrow Airport flight.

As of June 2026, prices for Rome to London Heathrow Airport flights are approximately 83% more expensive when compared to flights at the same time last year.

Historically, on average around 14% of flights between Rome and London have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

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

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

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

As of June 2026, 14 flights take off from Rome and land in London Heathrow Airport each day. The most common flight departure time for this route is 1:00PM, with 55% of daily flights taking off in the afternoon.

The number of flights available between Rome and London Heathrow Airport is 100 per week as of June 2026. The most frequent departure day is Sun, with 28% of weekly flights leaving on this day.