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$728+ Cheap flights from Florence, SC (FLO) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
FLO — LHR
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Florence to Heathrow

Cheapest flights from Florence to Heathrow
Explore the most affordable flight options available from Florence to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:24 am
FLO
-
LHR
1 stop20h 31m
American Airlines
Mon 4/209:15 am
LHR
-
FLO
1 stop19h 38m
American Airlines
Deal found 2/5$728
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:16 am
FLO
-
LHR
2 stops21h 04m
American Airlines
Sun 3/291:00 pm
LHR
-
FLO
2 stops15h 57m
American Airlines
Deal found 2/4$756
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:02 pm
FLO
-
LHR
2 stops12h 33m
American Airlines
Fri 5/291:10 pm
LHR
-
FLO
2 stops15h 46m
American Airlines
Deal found 2/5$789
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:25 pm
FLO
-
LHR
1 stop13h 35m
American Airlines
Sat 3/282:45 pm
LHR
-
FLO
1 stop13h 12m
American Airlines
Deal found 2/4$1,437

Find flight deals from Florence to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Florence (FLO) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$728
(American Airlines)
Provider with most accurate pricing for Florence-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Florence-London (LON) flights.
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From Florence to London Heathrow
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Florence to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Florence to London Heathrow Airport that are best for you.

Fly from

Florence

Fly to

Heathrow

Route

Depart

Return

Price

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Wed 4/15

5:24 am-6:55 am

1 stop20h 31m

London Heathrow

Mon 4/20

9:15 am-11:53 pm

1 stop19h 38m

$728

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Sun 3/22

6:20 pm-12:00 pm

1 stop13h 40m

London Heathrow

Sun 3/29

1:00 pm-11:57 pm

2 stops15h 57m

$756

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Tue 5/12

4:02 pm-9:35 am

2 stops12h 33m

London Heathrow

Fri 5/29

1:10 pm-11:56 pm

2 stops15h 46m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Best time to book a flight from Florence to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Florence with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Florence to London Heathrow Airport

What is the cheapest month to book a flight from Florence, South Carolina to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Florence, South Carolina to London Heathrow Airport (average of $450). Flying from Florence, South Carolina to London Heathrow Airport in June is currently the most expensive (average of $857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Florence to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Florence to London Heathrow?

    If you book a flight to London Heathrow from Florence, you will be flying from Florence, which is the city’s only airport. Florence (FLO) is located 2.3 mi from the center of Florence. There are 0 flights from Florence to London Heathrow per day from 0 different airlines.

  • How long is the flight from Florence, South Carolina to London Heathrow Airport?

    For as low as $728, American Airlines can have you in London Heathrow Airport from Florence, South Carolina in 20h 31m. Airlines will cover a distance of 3978 mi.

  • Can I find deals for flights from Florence to Heathrow that include hotel bookings?

    Yes. In addition to deals on Florence to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Florence to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florence to Heathrow.

  • Can I find deals for business class flights from Florence to Heathrow?

    Yes. Cheapflights offers flight deals from Florence to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Florence, South Carolina to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Florence, South Carolina to London Heathrow Airport (average of $450). Flying from Florence, South Carolina to London Heathrow Airport in June is currently the most expensive (average of $857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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