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£376 Cheap Flights from London (LHR) to Key West (EYW)

View £376 flight on Tue, 1 Dec 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £376 for one-way flights and £570 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, 1 Dec - Tue, 8 Dec
LHR
London
EYW
Key West
£570 Return, found 3 days ago
£570
Return
found 3 days ago
Select JetBlue Airways flight, departing Tue, 1 Dec from London to Key West, returning Tue, 8 Dec, priced at £570 found 3 days ago
JetBlue Airways
Tue, 1 Dec - Tue, 15 Dec
LHR
London
EYW
Key West
£591 Return, found 1 day ago
£591
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 1 Dec from London to Key West, returning Tue, 15 Dec, priced at £591 found 1 day ago
British Airways
Mon, 7 Sept - Wed, 7 Oct
LHR
London
EYW
Key West
£592 Return, found 4 days ago
£592
Return
found 4 days ago
Select British Airways flight, departing Mon, 7 Sept from London to Key West, returning Wed, 7 Oct, priced at £592 found 4 days ago
British Airways
Tue, 9 Mar - Mon, 15 Mar
LHR
London
EYW
Key West
£593 Return, found 6 hours ago
£593
Return
found 6 hours ago
Select British Airways flight, departing Tue, 9 Mar from London to Key West, returning Mon, 15 Mar, priced at £593 found 6 hours ago
British Airways
Mon, 7 Dec - Tue, 15 Dec
LHR
London
EYW
Key West
£594 Return, found 1 day ago
£594
Return
found 1 day ago
Select British Airways flight, departing Mon, 7 Dec from London to Key West, returning Tue, 15 Dec, priced at £594 found 1 day ago
American Airlines
Sun, 4 Oct - Sun, 11 Oct
LHR
London
EYW
Key West
£599 Return, found 3 hours ago
£599
Return
found 3 hours ago
Select American Airlines flight, departing Sun, 4 Oct from London to Key West, returning Sun, 11 Oct, priced at £599 found 3 hours ago
British Airways
Mon, 5 Oct - Mon, 12 Oct
LHR
London
EYW
Key West
£600 Return, found 3 hours ago
£600
Return
found 3 hours ago
Select British Airways flight, departing Mon, 5 Oct from London to Key West, returning Mon, 12 Oct, priced at £600 found 3 hours ago
British Airways
Tue, 1 Dec - Tue, 8 Dec
LHR
London
EYW
Key West
£601 Return, found 3 days ago
£601
Return
found 3 days ago
Select British Airways flight, departing Tue, 1 Dec from London to Key West, returning Tue, 8 Dec, priced at £601 found 3 days ago
Air France
Mon, 7 Sept - Wed, 7 Oct
LHR
London
EYW
Key West
£607 Return, found 4 days ago
£607
Return
found 4 days ago
Select Air France flight, departing Mon, 7 Sept from London to Key West, returning Wed, 7 Oct, priced at £607 found 4 days ago
Delta
Tue, 6 Oct - Mon, 19 Oct
LHR
London
EYW
Key West
£612 Return, found 1 day ago
£612
Return
found 1 day ago
Select Delta flight, departing Tue, 6 Oct from London to Key West, returning Mon, 19 Oct, priced at £612 found 1 day ago

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £925
EYW
Key West Intl.
CheapestClosest
Average driving time to city centre8 min
Flights from £925

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) cost?
You can find cheap one-way flights from £376 and cheap return flights from £570 LHR to EYW with Expedia. Return flights often range between £649 and £2817. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to EYW ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.)?
The cheapest months to fly from LHR to EYW are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.)?
Enter LHR to EYW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR) to Key West, FL (EYW)?
To find a cheap flight from London (LHR) to Key West, FL (EYW), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.)?
The earliest flight from London Heathrow (LHR) to Key West, FL (EYW-Key West Intl.) typically departs around 6:00 AM. This service is seasonal, active only in May, and is operated by airlines such as Air Baltic, Swiss International Air Lines, and American Airlines. An early departure like this allows you to maximise your time in Key West. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.)?
There are no nonstop flights from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.). The journey covers a distance of approximately 7,311 kilometers. Flights with one stop typically take around 13 hours 30 minutes. If your journey involves two or more stops, you can expect the travel time to be longer, usually around 18 hours 18 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific route, layover times, and factors like wind patterns.
Can you fly business or first class from London (LHR) to Key West, FL (EYW)?
Select the "Business class" and "First class" filters when looking for London (LHR) to Key West, FL (EYW) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Key West, FL (EYW) from London (LHR)?
If you're planning to travel to Key West from Heathrow (LHR), you can fly directly into Key West Intl. (EYW). Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), Logan Intl. (BOS), or Roissy-Charles de Gaulle (CDG) before reaching Key West. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Key West, FL (EYW-Key West Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR) to Key West, FL (EYW)?
If you booked your London (LHR) to Key West, FL (EYW) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Key West Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, United, Virgin Atlantic
Return price
£570
Distance
7268 km

Book with confidence

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 £570 and range up to £612.  

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.  

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

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*Available to Expedia members.