Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between London and Key West?

The flight from London to Key West has a duration of 13h 2m.

What are the cheapest flights from London to Key West?

The cheapest one-way flight costs £428 flying with British Airways and the cheapest return flight costs £805 with Virgin Atlantic Airways.

How many airports are there in the city of London?

London has 2 airport: LON - All airports, London Heathrow Airport.

How many airports does Key West have?

There are 1 airports in Key West: Key West International

Which Key West airport is the most central?

The most central airport is Key West International, 4.8km.

Cheap flights from London to Key West

Fly smart, spend less

Flights to Key West from London

Cheap flights from London to Key West from £428. London (United Kingdom) - Key West (United States) return flights from £805. From 25/10/2026 (Sunday) - 03/11/2026 (Tuesday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from London to Key West

Cheapest round-trip flights from London to Key West

12 Nov - 19 Nov • 7 nights
09:20LHR
31h 36m1 stop
11:56EYW
JetBlue Airways
12:45EYW
13h 10m1 stop
06:55LHR
JetBlue Airways
from£704
12 Nov - 19 Nov • 7 nights
14:30LHR
33h 32m1 stop
19:02EYW
British Airways
16:43EYW
10h 32m1 stop
08:15LHR
British Airways
from£704
12 Nov - 19 Nov • 7 nights
14:30LHR
33h 32m1 stop
19:02EYW
British Airways
11:25EYW
14h 20m1 stop
06:45LHR
British Airways
from£704
12 Nov - 19 Nov • 7 nights
14:30LHR
33h 32m1 stop
19:02EYW
British Airways
16:43EYW
13h 47m1 stop
11:30LHR
British Airways
from£714
12 Nov - 19 Nov • 7 nights
16:00LHR
30h 10m1 stop
17:10EYW
Virgin Atlantic Airways
14:07EYW
14h 3m2 stops
09:10LHR
Virgin Atlantic Airways
from£718
12 Nov - 19 Nov • 7 nights
08:55LHR
13h 15m1 stop
17:10EYW
Virgin Atlantic Airways
14:07EYW
11h 18m1 stop
06:25LHR
Virgin Atlantic Airways
from£795

Explore all offers

Flights from London to Key West one way

Find one-way flights from London to Key West at great prices.

Explore all offers

More information about flights to Key West from London

Information about flights from London to Key West

lastminute.com’s facebook page gives you an easy way to stay up to date with giveaways and promotions on low cost flights and holidays to Key West from London.

Take advantage of our flight offers to Key West from London . This month’s best flight deals have been specially selected for you.

Why limit yourself to the lastminute.com desktop travel website services – download our iPhone and Android App and get full use of all the services even whilst you’re on holiday.

If you are a frequent traveller , download our iPhone and Android app free of charge. It will change your travelling habits and be extremely useful whilst you are away on trips.

Looking for low cost flights from London to Key West ? Then look no further… lastminute.com searches all available flights from London to Key West from amongst the top low cost and scheduled airlines.

FAQs London to Key West flights

FAQs

Can I combine different airlines on the same trip?
Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.
Is lastminute.com a trustworthy travel brand?
In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.
What options are there if I have to change my flight?
lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*
*Flexibility services are available on selected flights only. Please read our T&Cs for more information.
I am afraid to lose my luggage, every time I fly. What can I do?
lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**
**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.
How long does a flight take between London and Key West?
The flight from London to Key West has a duration of 13h 2m.
What are the cheapest flights from London to Key West?
The cheapest one-way flight costs £428 flying with British Airways and the cheapest return flight costs £805 with Virgin Atlantic Airways.
How many airports are there in the city of London?
London has 2 airport: LON - All airports, London Heathrow Airport.
How many airports does Key West have?
There are 1 airports in Key West: Key West International
Which Key West airport is the most central?
The most central airport is Key West International, 4.8km.

Cheap flights London - Key West