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Cheap flights from Florida Keys to London from £246

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 7/5. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
00:35 - 07:05
MIA
-
STN
26h 30m
2 stops
Multiple Airlines Logo
07:25 - 23:25
STN
-
MIA
21h 00m
2 stops
£423Multiple Airlines
Wed, 25 Mar - Wed, 8 Apr
Multiple Airlines Logo
16:30 - 13:45
MIA
-
LTN
16h 15m
2 stops
Multiple Airlines Logo
08:00 - 23:25
LTN
-
MIA
20h 25m
2 stops
£425Multiple Airlines
Tue, 28 Apr - Wed, 6 May
Icelandair Logo
18:15 - 11:55
MIA
-
LHR
12h 40m
1 stop
Icelandair Logo
13:05 - 21:55
LHR
-
MIA
13h 50m
1 stop
£427Icelandair
Wed, 22 Apr - Sat, 2 May
Multiple Airlines Logo
16:30 - 21:05
MIA
-
STN
23h 35m
2 stops
Multiple Airlines Logo
08:20 - 23:25
STN
-
MIA
20h 05m
2 stops
£427Multiple Airlines
Tue, 28 Apr - Wed, 6 May
TAP AIR PORTUGAL Logo
00:30 - 09:45
MIA
-
LGW
28h 15m
1 stop
TAP AIR PORTUGAL Logo
16:25 - 14:30
LGW
-
MIA
27h 05m
1 stop
£436TAP AIR PORTUGAL
Sun, 29 Mar - Tue, 14 Apr
TAP AIR PORTUGAL Logo
23:35 - 11:25
MIA
-
LHR
30h 50m
1 stop
TAP AIR PORTUGAL Logo
13:40 - 14:50
LHR
-
MIA
30h 10m
1 stop
£440TAP AIR PORTUGAL
Wed, 25 Feb - Mon, 2 Mar
Iberia Logo
21:20 - 11:05
MIA
-
LHR
8h 45mdirect
Iberia Logo
11:30 - 20:25
LHR
-
MIA
13h 55m
1 stop
£443Iberia
Sun, 29 Mar - Thu, 9 Apr
American Airlines Logo
16:40 - 09:05
EYW
-
LHR
11h 25m
1 stop
American Airlines Logo
15:00 - 22:58
LHR
-
EYW
12h 58m
1 stop
£498American Airlines
Mon, 6 Apr - Tue, 14 Apr
British Airways Logo
14:25 - 10:55
EYW
-
LHR
15h 30m
1 stop
British Airways Logo
09:55 - 22:58
LHR
-
EYW
18h 03m
1 stop
£580British Airways
Sun, 5 Apr - Sun, 12 Apr
British Airways Logo
15:51 - 19:00
EYW
-
LGW
46h 09m
2 stops
British Airways Logo
19:40 - 19:15
LGW
-
EYW
28h 35m
2 stops
£1,086British Airways
Wed, 25 Feb - Sun, 1 Mar

British Airways flights from Florida Keys to London

Our best British Airways deals on Florida Keys to London flight tickets
British Airways
17 Feb
MIA18:50Miami
8h 45m
LHR08:35London Heathrow
24 Feb
LHR13:50London Heathrow
13h 14m
1 stop
MIA22:04Miami
£473
British Airways
17 Mar
MIA18:10Miami
8h 40m
LHR06:50London Heathrow
24 Mar
LHR12:55London Heathrow
12h 43m
1 stop
MIA21:38Miami
£475
British Airways
16 Mar
MIA06:53Miami
11h 17m
1 stop
LHR22:10London Heathrow
24 Mar
LHR12:55London Heathrow
12h 43m
1 stop
MIA21:38Miami
£478

Iberia flights from Florida Keys to London

Our best Iberia deals on Florida Keys to London flight tickets
Iberia
29 Mar
MIA21:20Miami
8h 45m
LHR11:05London Heathrow
9 Apr
LHR11:30London Heathrow
13h 55m
1 stop
MIA20:25Miami
£443
Iberia
18 Feb
MIA18:50Miami
8h 45m
LHR08:35London Heathrow
25 Feb
LHR11:25London Heathrow
14h 20m
1 stop
MIA20:45Miami
£446
Iberia
17 Feb
MIA22:20Miami
8h 45m
LHR12:05London Heathrow
25 Feb
LHR11:25London Heathrow
14h 20m
1 stop
MIA20:45Miami
£449

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 14 February 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

MiamiLondon

MIA - STN

MIASTN

Miami

Wed 25/3

00:35-07:05

2 stops26h 30m

London Stansted

Wed 8/4

07:25-23:25

2 stops21h 00m

£423

MiamiLondon

MIA - LTN

MIALTN

Miami

Tue 28/4

16:30-13:45

2 stops16h 15m

London Luton

Wed 6/5

08:00-23:25

2 stops20h 25m

£425

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 22/4

18:15-11:55

1 stop12h 40m

London Heathrow

Sat 2/5

13:05-21:55

1 stop13h 50m

£427

MiamiLondon

MIA - STN

MIASTN

Miami

Tue 28/4

16:30-21:05

2 stops23h 35m

London Stansted

Wed 6/5

08:20-23:25

2 stops20h 05m

£427

MiamiLondon

MIA - LGW

MIALGW

Miami

Sun 29/3

00:30-09:45

1 stop28h 15m

London Gatwick

Tue 14/4

16:25-14:30

1 stop27h 05m

£436

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 25/2

23:35-11:25

1 stop30h 50m

London Heathrow

Mon 2/3

13:40-14:50

1 stop30h 10m

£440

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 29/3

21:20-11:05

Nonstop8h 45m

London Heathrow

Thu 9/4

11:30-20:25

1 stop13h 55m

£443

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 6/4

16:40-09:05

1 stop11h 25m

London Heathrow

Tue 14/4

15:00-22:58

1 stop12h 58m

£498

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 5/4

14:25-10:55

1 stop15h 30m

London Heathrow

Sun 12/4

09:55-22:58

1 stop18h 03m

£580

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 25/2

15:51-19:00

2 stops46h 09m

London Gatwick

Sun 1/3

19:40-19:15

2 stops28h 35m

£1,086

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September. Flight prices, which tend to average around £420, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Florida Keys averaging around £436.

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 £462. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Florida Keys to London for around £585.

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 afternoon when flights can be purchased for as low as £488. Flights in the evening are often more expensive, with an average ticket price of £554.

How far in advance should I book a flight 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 £549 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 £488 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 45m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Florida Keys to London takes 8h 45m
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

  • 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
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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