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Cheap flights from Florence, South Carolina to London from $674

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Florence, South Carolina to London departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Florence, South Carolina to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:16 am - 12:00 pmFLO-LHR
19h 44m1 stop
American Airlines Logo
9:55 am - 6:06 pmLHR-FLO
13h 11m1 stop
$674American Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
American Airlines Logo
6:31 pm - 12:00 pmFLO-LHR
12h 29m1 stop
American Airlines Logo
1:30 pm - 12:03 amLHR-FLO
15h 33m2 stops
$679American Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
American Airlines Logo
11:09 am - 12:00 pmFLO-LHR
20h 51m1 stop
American Airlines Logo
1:20 pm - 10:24 amLHR-FLO
26h 04m2 stops
$990American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
11:09 am - 12:00 pmFLO-LHR
20h 51m1 stop
American Airlines Logo
9:15 am - 11:38 pmLHR-FLO
19h 23m1 stop
$1,006American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
2:30 pm - 7:20 amFLO-LHR
12h 50m1 stop
American Airlines Logo
3:00 pm - 11:38 pmLHR-FLO
13h 38m1 stop
$1,007American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
2:30 pm - 8:40 amFLO-LHR
14h 10m2 stops
American Airlines Logo
2:25 pm - 11:38 pmLHR-FLO
14h 13m2 stops
$1,011American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

American Airlines flights from Florence, South Carolina to London Heathrow Airport

Our best American Airlines deals on Florence, South Carolina to London Heathrow Airport flight tickets
American Airlines
Oct 20
FLO2:29 pmFlorence
17h 01m
1 stop
LHR12:30 pmLondon Heathrow
Oct 31
LHR9:55 amLondon Heathrow
12h 59m
1 stop
FLO6:54 pmFlorence
$649
Find similar
American Airlines
Oct 20
FLO11:11 amFlorence
14h 44m
2 stops
LHR6:55 amLondon Heathrow
Oct 31
LHR9:55 amLondon Heathrow
12h 59m
1 stop
FLO6:54 pmFlorence
$653
Find similar
American Airlines
Dec 7
FLO11:16 amFlorence
19h 44m
1 stop
LHR12:00 pmLondon Heathrow
Dec 14
LHR9:55 amLondon Heathrow
13h 11m
1 stop
FLO6:06 pmFlorence
$674
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Florence, South Carolina to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Florence, South Carolina to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Sun 12/7

11:16 am-12:00 pm

1 stop19h 44m

London Heathrow

Sun 12/14

9:55 am-6:06 pm

1 stop13h 11m

$674

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Sun 12/7

6:31 pm-12:00 pm

1 stop12h 29m

London Heathrow

Sun 12/14

1:30 pm-12:03 am

2 stops15h 33m

$679

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Fri 3/27

11:09 am-12:00 pm

1 stop20h 51m

London Heathrow

Tue 3/31

1:20 pm-10:24 am

2 stops26h 04m

$990

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Fri 3/27

11:09 am-12:00 pm

1 stop20h 51m

London Heathrow

Tue 3/31

9:15 am-11:38 pm

1 stop19h 23m

$1,006

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Fri 3/27

2:30 pm-7:20 am

1 stop12h 50m

London Heathrow

Tue 3/31

3:00 pm-11:38 pm

1 stop13h 38m

$1,007

FlorenceLondon

FLO - LHR

FLOLHR

Florence

Fri 3/27

2:30 pm-8:40 am

2 stops14h 10m

London Heathrow

Tue 3/31

2:25 pm-11:38 pm

2 stops14h 13m

$1,011

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Florence, South Carolina to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Florence, South Carolina to London Heathrow Airport in the morning for as low as $1,141. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,218.

When to book flights from Florence, South Carolina to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Florence, South Carolina to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Florence, South Carolina to London Heathrow Airport (FLO to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Florence, South Carolina to London Heathrow Airport

Direct flights

None
There are no direct flights from Florence, South Carolina to London Heathrow Airport. There are no popular flight routes from Florence, South Carolina to London Heathrow Airport.
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  • How far is Florence to London Heathrow by plane?

    London Heathrow is 3979.6 mi away from Florence. By plane, this route typically takes 12h 29m.

  • When did momondo last update prices for flights from Florence Airport to London Heathrow Airport?

    Prices for flights from Florence Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from Florence Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Florence Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Florence to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Florence to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Florence to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Florence which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Florence to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Florence to London.

I’m not ready to book a flight from Florence to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Florence and alert you when they change.

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