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£243 Cheap Flights from Key West (EYW) to London (LHR)

View £243 flight on Tue, 5 Jan 2027Opens in a new window

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

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

Prices were available within the past 7 days and start at £243 for one-way flights and £642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Fri, 2 Oct - Thu, 3 Dec
EYW
Key West
LHR
London
£642 Return, found 5 days ago
£642
Return
found 5 days ago
Select KLM flight, departing Fri, 2 Oct from Key West to London, returning Thu, 3 Dec, priced at £642 found 5 days ago
Air France
Fri, 2 Oct - Thu, 3 Dec
EYW
Key West
LHR
London
£647 Return, found 5 days ago
£647
Return
found 5 days ago
Select Air France flight, departing Fri, 2 Oct from Key West to London, returning Thu, 3 Dec, priced at £647 found 5 days ago
British Airways
Mon, 23 Nov - Fri, 27 Nov
EYW
Key West
LHR
London
£651 Return, found 2 days ago
£651
Return
found 2 days ago
Select British Airways flight, departing Mon, 23 Nov from Key West to London, returning Fri, 27 Nov, priced at £651 found 2 days ago
British Airways
Mon, 23 Nov - Fri, 27 Nov
EYW
Key West
LHR
London
£657 Return, found 2 days ago
£657
Return
found 2 days ago
Select British Airways flight, departing Mon, 23 Nov from Key West to London, returning Fri, 27 Nov, priced at £657 found 2 days ago
British Airways
Mon, 23 Nov - Fri, 27 Nov
EYW
Key West
LHR
London
£662 Return, found 2 days ago
£662
Return
found 2 days ago
Select British Airways flight, departing Mon, 23 Nov from Key West to London, returning Fri, 27 Nov, priced at £662 found 2 days ago
KLM
Fri, 2 Oct - Thu, 3 Dec
EYW
Key West
LHR
London
£664 Return, found 5 days ago
£664
Return
found 5 days ago
Select KLM flight, departing Fri, 2 Oct from Key West to London, returning Thu, 3 Dec, priced at £664 found 5 days ago
Air France
Mon, 23 Nov - Fri, 27 Nov
EYW
Key West
LHR
London
£666 Return, found 2 days ago
£666
Return
found 2 days ago
Select Air France flight, departing Mon, 23 Nov from Key West to London, returning Fri, 27 Nov, priced at £666 found 2 days ago
Virgin Atlantic
Fri, 2 Oct - Thu, 3 Dec
EYW
Key West
LHR
London
£668 Return, found 5 days ago
£668
Return
found 5 days ago
Select Virgin Atlantic flight, departing Fri, 2 Oct from Key West to London, returning Thu, 3 Dec, priced at £668 found 5 days ago
British Airways
Mon, 23 Nov - Fri, 27 Nov
EYW
Key West
LHR
London
£672 Return, found 2 days ago
£672
Return
found 2 days ago
Select British Airways flight, departing Mon, 23 Nov from Key West to London, returning Fri, 27 Nov, priced at £672 found 2 days ago
Finnair
Thu, 11 Mar - Mon, 22 Mar
EYW
Key West
LHR
London
£899 Return, found 2 days ago
£899
Return
found 2 days ago
Select Finnair flight, departing Thu, 11 Mar from Key West to London, returning Mon, 22 Mar, priced at £899 found 2 days ago

Frequently asked questions

How much does a flight from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) cost?
You can find one-way and return flights from EYW to LHR with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when EYW to LHR ticket fares go up or down.
What is the cheapest month to fly from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
The cheapest months to fly from EYW to LHR 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 Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
Enter EYW to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
American Eagle is one of the cheapest airlines offering connecting return flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow), with prices starting from around £538 for flights that can be booked for departure within the next year. These flights typically include a layover in Miami Intl. (MIA). Prices are per adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow), 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 Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
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.
How many flights per day from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
There are approximately 13 connecting flights per day from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow). Some common connection points include Hartsfield-Jackson Atlanta Intl., Liberty Intl., and Miami Intl.
What is the earliest flight from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
The earliest flight from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) typically departs around 7:00 AM. This service is operated by Delta and is a seasonal offering, active only in August. An early departure like this can be great for maximising your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
You'll typically find the most flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) on a Wednesday, with around 33 flights available. This gives you a good selection for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight schedules are fairly consistent throughout the week, with Wednesdays offering only slightly more options than other days.
What are the most popular departure times for flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) are between 12pm and 3pm. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport, and you'll arrive in London in the evening, ready to settle in.
How long does it take to fly from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
There are no nonstop flights from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow). The journey covers a distance of approximately 7,311 kilometres (4,543 miles).If you're flying with one stop, your travel time will typically be around 12 hours. Flights with two or more stops usually take longer, averaging about 16 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
You can fly business class or first class between EYW and LHR. Airlines that offer business class service on this route include:
  • Delta
  • American Airlines
  • American Eagle
First class cabins are available on American Airlines.
How do I earn miles on a Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) 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 London (LHR) from Key West, FL (EYW)?
If you're planning to travel to London from Key West Intl. (EYW), you can fly directly into Heathrow (LHR) which offers international flights and connections. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Miami Intl. (MIA), or Liberty Intl. (EWR) before reaching London. 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 Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) 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 Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) 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 Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow)?
If you booked your Key West, FL (EYW-Key West Intl.) to London (LHR-Heathrow) 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
Key West Intl.
Destination airport
Heathrow
Airlines serving
Air France, British Airways, KLM, Virgin Atlantic
Return price
£642
Distance
7268 km

Book with confidence

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

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

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 Key West Intl. (EYW) to Heathrow (LHR)

The easiest way to view the best deals on flights from Key West to London 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 Key West Intl. to Heathrow start at just £642 and range up to £899.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Key West Intl. to Heathrow 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 Key West to London easily and book with confidence

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*Available to Expedia members.