£536 Cheap Flights from London (LHR) to Key West (EYW)

View £536 flight on Tue, 3 Mar 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Key West Intl. Airport (EYW)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LHR) to Key West (EYW)

Prices were available within the past 7 days and start at £536 for one-way flights and £474 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 2 Dec - Mon, 8 Dec
LHR
London
EYW
Key West
£474 Return, found 15 hours ago
£474
Return
found 15 hours ago
Select British Airways flight, departing Tue, 2 Dec from London to Key West, returning Mon, 8 Dec, priced at £474 found 15 hours ago
British Airways
Tue, 9 Sep - Tue, 16 Sep
LHR
London
EYW
Key West
£475 Return, found 3 days ago
£475
Return
found 3 days ago
Select British Airways flight, departing Tue, 9 Sep from London to Key West, returning Tue, 16 Sep, priced at £475 found 3 days ago
Virgin Atlantic
Wed, 14 Jan - Mon, 26 Jan
LHR
London
EYW
Key West
£477 Return, found 6 days ago
£477
Return
found 6 days ago
Select Virgin Atlantic flight, departing Wed, 14 Jan from London to Key West, returning Mon, 26 Jan, priced at £477 found 6 days ago
Delta
Sun, 11 Jan - Tue, 27 Jan
LHR
London
EYW
Key West
£477 Return, found 6 days ago
£477
Return
found 6 days ago
Select Delta flight, departing Sun, 11 Jan from London to Key West, returning Tue, 27 Jan, priced at £477 found 6 days ago
Delta
Thu, 5 Feb - Tue, 24 Feb
LHR
London
EYW
Key West
£477 Return, found 6 days ago
£477
Return
found 6 days ago
Select Delta flight, departing Thu, 5 Feb from London to Key West, returning Tue, 24 Feb, priced at £477 found 6 days ago
Finnair
Mon, 1 Sep - Mon, 8 Sep
LHR
London
EYW
Key West
£480 Return, found 13 hours ago
£480
Return
found 13 hours ago
Select Finnair flight, departing Mon, 1 Sep from London to Key West, returning Mon, 8 Sep, priced at £480 found 13 hours ago
British Airways
Mon, 3 Nov - Sat, 8 Nov
LHR
London
EYW
Key West
£481 Return, found 2 days ago
£481
Return
found 2 days ago
Select British Airways flight, departing Mon, 3 Nov from London to Key West, returning Sat, 8 Nov, priced at £481 found 2 days ago
British Airways
Mon, 10 Nov - Wed, 19 Nov
LHR
London
EYW
Key West
£484 Return, found 18 hours ago
£484
Return
found 18 hours ago
Select British Airways flight, departing Mon, 10 Nov from London to Key West, returning Wed, 19 Nov, priced at £484 found 18 hours ago
British Airways
Tue, 3 Mar - Tue, 10 Mar
LHR
London
EYW
Key West
£485 Return, found 16 hours ago
£485
Return
found 16 hours ago
Select British Airways flight, departing Tue, 3 Mar from London to Key West, returning Tue, 10 Mar, priced at £485 found 16 hours ago
American Airlines
Mon, 1 Sep - Mon, 8 Sep
LHR
London
EYW
Key West
£486 Return, found 13 hours ago
£486
Return
found 13 hours ago
Select American Airlines flight, departing Mon, 1 Sep from London to Key West, returning Mon, 8 Sep, priced at £486 found 13 hours ago
Flight from London to Key West route information
Origin airport
Heathrow
Destination airport
Key West Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, TAP Portugal, United, Virgin Atlantic
Return price
£474
Distance
7268 km

Compare flights from London to Key West easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Key West. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Key West Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Key West Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Key West Intl. (EYW)

The easiest way to view the best deals on flights from London to Key West today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Key West Intl. start at just £474 and range up to £749.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Key West
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Key West flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Key West Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Heathrow Airport to Key West Intl. Airport?
The lowest price advertised for a round-trip flight from Heathrow Airport to EYW is £474. But you better move fast. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Key West Intl. Airport?
Each airline has its own set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Heathrow Airport (LHR) to Key West Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Key West Intl. Airport (EYW) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Key West Intl. Airport?
With around 7,300 kilometres separating Hounslow and Key West, your flight will be a long one. Pack wisely and make your time in the air more comfortable. Little things like an extra pair of socks and a quality neck pillow can make a massive difference.
Which airlines fly direct from London Heathrow to EYW?
If you want to travel straight from London Heathrow to Key West Intl. Airport, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.
Are Heathrow Airport (LHR) to Key West Intl. Airport (EYW) flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute flight deals between Heathrow Airport and Key West Intl. Airport are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers publicize their prices up to 12 months ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to lock in your seat when fare prices drop.

Explore a world of travel with Expedia

London Airports

London

London City to Key West
£500.01
Gatwick to Key West
£567.38
*Available to Expedia members.