$511 Cheap Flights from Florence (FLO) to London (LHR)

Popular airlines from Florence, SC (FLO-Florence Regional) to Heathrow Airport (LHR)

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Find available prices by choosing your travel dates.

Cheap Flights from Florence to London (FLO-LHR)

Prices were available within the past 7 days and start at $511 for one-way flights and $831 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Florence (FLO) to London (LHR)
Origin airport
Florence Regional
Destination airport
Heathrow
Airlines serving
American Airlines
Roundtrip price
$831
Distance
3981 mi

Florence to London Flights

The cheapest times to fly from Florence to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Florence to London are during the month of August. You can find some of the cheapest flights from Florence to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Florence to London

Sunday is one of the best days to book for cheap flights from Florence to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Florence to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Florence to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $511 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Florence to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Florence to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Florence Regional Airport (FLO) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from FLO to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FLO to LHR?
The cheapest flights from FLO to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FLO to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from FLO to LHR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Florence Regional Airport (FLO) to Heathrow Airport (LHR)?
Direct flights from Florence Regional Airport (FLO) to Heathrow Airport (LHR) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from FLO to LHR?
Usually you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Florence Regional Airport (FLO) to Heathrow Airport (LHR)?
Choose a flight from Florence Regional Airport (FLO) to Heathrow Airport (LHR) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Florence Regional Airport (FLO) to Heathrow Airport (LHR) last-minute?
Waiting until just before your trip to book a ticket from FLO to LHR generally means paying more. While you may come across some last-minute discounts, they’re not always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a FLO to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking a FLO to LHR flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Florence Regional Airport (FLO) to Heathrow Airport (LHR)?
In most instances, you can cancel or modify your FLO to LHR flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and rules on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.