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Cheap flights from Florida Keys to London from £288

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Florida Keys to London departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Florida Keys to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:20 - 00:45MIA  Miami-STN London Stansted
27h 25m2 stops Lisbon Humberto Delgado Venice Marco Polo
Multiple Airlines Logo
07:15 - 19:45STN  London Stansted-MIA Miami
17h 30m2 stops Milan Malpensa Casablanca Mohamed V
£615Multiple Airlines
Sun, 11 Oct - Fri, 16 Oct
British Airways Logo
18:05 - 08:15MIA  Miami-LHR London Heathrow
9h 10mdirect
British Airways Logo
10:05 - 15:05LHR  London Heathrow-MIA Miami
10h 00mdirect
£615British Airways
Tue, 2 Feb - Tue, 16 Feb
Scandinavian Airlines Logo
11:49 - 16:00MIA  Miami-LHR London Heathrow
23h 11m2 stops Boston Logan Intl Kastrup Copenhagen
Scandinavian Airlines Logo
17:00 - 23:15LHR  London Heathrow-MIA Miami
35h 15m2 stops Kastrup Copenhagen New York John F Kennedy Intl
£615Scandinavian Airlines
Wed, 9 Sep - Tue, 15 Sep
British Airways Logo
22:45 - 12:35MIA  Miami-LHR London Heathrow
8h 50mdirect
British Airways Logo
15:35 - 20:15LHR  London Heathrow-MIA Miami
9h 40mdirect
£627British Airways
Tue, 6 Oct - Tue, 20 Oct
KLM Logo
17:10 - 06:30MIA  Miami-LHR London Heathrow
8h 20mdirect
KLM Logo
06:30 - 14:55LHR  London Heathrow-MIA Miami
13h 25m1 stop Amsterdam Schiphol
£632KLM
Tue, 10 Nov - Tue, 17 Nov
KLM Logo
17:10 - 06:30MIA  Miami-LHR London Heathrow
8h 20mdirect
KLM Logo
06:30 - 15:15LHR  London Heathrow-MIA Miami
13h 45m1 stop Amsterdam Schiphol
£632KLM
Wed, 11 Nov - Thu, 19 Nov
Virgin Atlantic Logo
16:55 - 09:30MIA  Miami-LCY London City
11h 35m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
07:45 - 14:55LCY  London City-MIA Miami
12h 10m1 stop Amsterdam Schiphol
£644Virgin Atlantic
Tue, 8 Dec - Tue, 15 Dec
Virgin Atlantic Logo
18:05 - 08:05MIA  Miami-LHR London Heathrow
9h 00mdirect
Virgin Atlantic Logo
09:40 - 15:35LHR  London Heathrow-MIA Miami
9h 55mdirect
£652Virgin Atlantic
Thu, 15 Oct - Thu, 29 Oct
American Airlines Logo
22:20 - 12:05MIA  Miami-LHR London Heathrow
8h 45mdirect
American Airlines Logo
10:05 - 15:05LHR  London Heathrow-MIA Miami
10h 00mdirect
£658American Airlines
Mon, 18 Jan - Tue, 2 Feb
American Airlines Logo
18:07 - 11:15MIA  Miami-LHR London Heathrow
12h 08m1 stop Atlanta Hartsfield-Jackson
American Airlines Logo
11:15 - 16:15LHR  London Heathrow-MIA Miami
10h 00mdirect
£694American Airlines
Thu, 19 Nov - Fri, 27 Nov

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Air Canada flights from Florida Keys to London

Our best Air Canada deals on Florida Keys to London flight tickets
Air Canada
8 Nov
MIA18:20Miami
36h 30m
1 stop
LHR11:50London Heathrow
18 Nov
LHR06:50London Heathrow
34h 45m
2 stops
MIA12:35Miami
£633
Air Canada
7 Nov
MIA20:55Miami
19h 05m
2 stops
LHR21:00London Heathrow
12 Nov
LHR06:50London Heathrow
21h 21m
2 stops
MIA23:11Miami
£639
Air Canada
14 Nov
MIA18:20Miami
36h 30m
1 stop
LHR11:50London Heathrow
18 Nov
LHR18:00London Heathrow
30h 41m
2 stops
MIA19:41Miami
£649

Delta flights from Florida Keys to London

Our best Delta deals on Florida Keys to London flight tickets
Delta
9 Nov
MIA22:50Miami
8h 45m
LHR12:35London Heathrow
17 Nov
LHR06:30London Heathrow
13h 25m
1 stop
MIA14:55Miami
£632
Delta
9 Nov
MIA20:00Miami
12h 45m
1 stop
LHR13:45London Heathrow
17 Nov
LHR06:30London Heathrow
13h 25m
1 stop
MIA14:55Miami
£634
Delta
9 Nov
MIA22:50Miami
8h 45m
LHR12:35London Heathrow
19 Nov
LHR08:55London Heathrow
16h 30m
1 stop
MIA20:25Miami
£637

momondo Fare Finder

 
Customise your flight search to find flights from Florida Keys to London 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 279,928 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Florida Keys to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiLondon

MIA Miami - STN London Stansted

MIASTN

Miami

Sun 11/10

16:20-00:45

2 stops27h 25m

London Stansted

Fri 16/10

07:15-19:45

2 stops17h 30m

£615

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 2/2

18:05-08:15

Nonstop9h 10m

London Heathrow

Tue 16/2

10:05-15:05

Nonstop10h 00m

£615

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Wed 9/9

11:49-16:00

2 stops23h 11m

London Heathrow

Tue 15/9

17:00-23:15

2 stops35h 15m

£615
Fastest return journey

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 6/10

22:45-12:35

Nonstop8h 50m

London Heathrow

Tue 20/10

15:35-20:15

Nonstop9h 40m

£627

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 10/11

17:10-06:30

Nonstop8h 20m

London Heathrow

Tue 17/11

06:30-14:55

1 stop13h 25m

£632

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Wed 11/11

17:10-06:30

Nonstop8h 20m

London Heathrow

Thu 19/11

06:30-15:15

1 stop13h 45m

£632

MiamiLondon

MIA Miami - LCY London City

MIALCY

Miami

Tue 8/12

16:55-09:30

1 stop11h 35m

London City

Tue 15/12

07:45-14:55

1 stop12h 10m

£644

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Thu 15/10

18:05-08:05

Nonstop9h 00m

London Heathrow

Thu 29/10

09:40-15:35

Nonstop9h 55m

£652

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Mon 18/1

22:20-12:05

Nonstop8h 45m

London Heathrow

Tue 2/2

10:05-15:05

Nonstop10h 00m

£658

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Thu 19/11

18:07-11:15

1 stop12h 08m

London Heathrow

Fri 27/11

11:15-16:15

Nonstop10h 00m

£694

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Florida Keys to London

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 month to fly to London?

The cheapest month to fly to London from Florida Keys is in February. Flight prices, which tend to average around £487, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Florida Keys averaging around £532.

What is the cheapest day to depart on your flight to London?

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £674. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Florida Keys to London for around £767.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £713. Flights in the afternoon are often more expensive, with an average ticket price of £741.

How far in advance should I book a flight from Florida Keys to London?

You are more likely to see cheaper flights to London from Florida Keys when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £679 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Florida Keys for as low as £609 on momondo.

Can stopping save me money on Florida Keys to London flights?

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

Cheap Florida Keys to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Florida Keys to London

Fastest flight time

8h 30m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Florida Keys to London takes 8h 30m
Direct flights go from Florida Keys to London every day.
There are 6 airports in London. From Florida Keys there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Florida Keys to London

  • When did momondo last update prices for flights from Florida Keys to London?

    Prices for flights from Florida Keys to London were last updated today.

  • How many operators does momondo search for flights from Florida Keys to London?

  • How old do you have to be to fly from Florida Keys to London?

    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 Florida Keys to London.

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

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Florida Keys to London?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

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

It is quick and easy to find Florida Keys to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Florida Keys with this policy.

How can momondo help me find flights from Florida Keys to London?

momondo provides multiple filters to help you find the best flight to London from Florida Keys. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Florida Keys to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport