Cheap flights from Rome to London from $42

The cheapest month to fly to London from Rome is in September. Flight prices, which tend to average around $21, are often lower during this time because this is during the off-season. The month of July is another great option to travel to London, with average flight prices from Rome averaging around $26.

The cheapest day to depart from Rome to London is on a Friday. Travelers who choose to depart for London on a Friday will often find tickets for as low as $244. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $489. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Rome in the evening is the least expensive time of day to depart. momondo users have found prices as low as $241 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $400. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Rome Ciampino to London Stansted for the best Rome - London flight prices

You are more likely to see cheaper flights to London from Rome when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $240 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Rome for as low as $198 on momondo.

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

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

As of June 2026, prices for Rome to London flights are approximately 26% more expensive when compared to flights at the same time last year.

Historically, on average around 19% 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 115 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night 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, ITA Airways have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

The number of flights available between Rome and London is 14 per day as of June 2026. The most frequent departure time is 1:00PM, with 45% of daily flights leaving in the afternoon.

101 flights are operational weekly from Rome to London as of June 2026. The most popular departure day for this route is Sun, with 32% of flights per week taking off on this day.