$458 Cheap Flights from London (LCY) to Key West (EYW)

View $458 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from London City Airport (LCY) to Key West Intl. Airport (EYW)

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Cheap Flights from London to Key West (LCY-EYW)

Prices were available within the past 7 days and start at $458 for one-way flights and $828 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, Nov 4 - Sun, Nov 9
LCY
London
EYW
Key West
$828 Roundtrip, found 2 days ago
$828
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Nov 4 from London to Key West, returning Sun, Nov 9, priced at $828 found 2 days ago
Aer Lingus
Fri, Oct 24 - Fri, Oct 31
LCY
London
EYW
Key West
$1,447 Roundtrip, found 5 days ago
$1,447
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Oct 24 from London to Key West, returning Fri, Oct 31, priced at $1,447 found 5 days ago
Aer Lingus
Fri, Oct 24 - Fri, Oct 31
LCY
London
EYW
Key West
$1,508 Roundtrip, found 5 days ago
$1,508
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Oct 24 from London to Key West, returning Fri, Oct 31, priced at $1,508 found 5 days ago
Flights from London (LCY) to Key West (EYW)
Origin airport
London City
Destination airport
Key West Intl.
Roundtrip price
$827
Distance
4563 mi

London to Key West Flights

The cheapest times to fly from London to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Key West are during the month of November. You can find some of the cheapest flights from London to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Key West

Sunday is one of the best days to book for cheap flights from London to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $458 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from London City Airport (LCY) to Key West Intl. Airport (EYW) cost?
Grab a cheap one-way flight from $458 or cheap return flight from $828 from London City Airport (LCY) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from London City Airport (LCY) to Key West Intl. Airport (EYW)?
November is the cheapest month to fly from LCY to EYW. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from London City Airport (LCY) to Key West Intl. Airport (EYW)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from LCY to EYW. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from London City Airport (LCY) to Key West Intl. Airport (EYW)?
You'll have to hop on a flight with a layover when traveling from London City Airport (LCY) to Key West Intl. Airport (EYW). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from LCY to EYW?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from London City Airport (LCY) to Key West Intl. Airport (EYW)?
To touch down at Key West Intl. Airport (EYW) without delays, select a flight that leaves London City Airport (LCY) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from London City Airport (LCY) to Key West Intl. Airport (EYW) last-minute?
Holding off until just before your departure to book a flight from LCY to EYW generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a LCY to EYW flight and hotel package?
You'll generally save money by booking a LCY to EYW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from London City Airport (LCY) to Key West Intl. Airport (EYW)?
In most instances, you can modify or cancel your LCY to EYW flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.