Cheap flights from Key West, FL to London, United Kingdom
Flights starting at $316. Choose between Silver Airways, Spirit Airlines, or easyJet to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to London
Cheapest one-way trip | $400 |
---|---|
Cheapest round-trip | $607 |
Average round-trip | $783 |
Includes rare itinerary | |
Most popular airline | Silver Airways |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at Gatwick, Heathrow, Luton, London Stansted, or London City. The most popular airlines for this route are Silver Airways, Spirit Airlines, easyJet, JetBlue Airways, and Norse Atlantic Airways. Key West and London have 276 direct flights per week. When you arrive at London, consider visiting Roman Baths, Bath, British Museum, St. Paul's Cathedral, Isle of Wight, Portsea Island, Tower of London, Tate Modern, Canterbury Cathedral, Natural History Museum, Stonehenge, and Avebury.
Check-in for a flight from Key West to London
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in London
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 11°C | 4°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 20°C | 11°C |
July | 22°C | 14°C |
August | 22°C | 14°C |
September | 19°C | 12°C |
October | 15°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 3°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Key West
- Flights from Key West to Philadelphia
- Flights from Key West to Denver
- Flights from Key West to Washington, D.C.
- Flights from Key West to Tampa
- Flights from Key West to Detroit
- Flights from Key West to Fort Lauderdale
- Flights from Key West to Orlando
- Flights from Key West to Minneapolis
- Flights from Key West to Boston
- Flights from Key West to Nashville
- Flights from Key West to New York
- Flights from Key West to Chicago
- Flights from Key West to Columbus
- Flights from Key West to Atlanta
- Flights from Key West to Cleveland
- Flights from Key West to Pittsburgh
- Flights from Key West to Indianapolis
- Flights from Key West to Charlotte
- Flights from Key West to Las Vegas
- Flights from Key West to Cincinnati
Flights to London
- Flights from New York to London
- Flights from Los Angeles to London
- Flights from Boston to London
- Flights from Atlanta to London
- Flights from Tel Aviv to London
- Flights from San Francisco to London
- Flights from Chicago to London
- Flights from Dallas to London
- Flights from Raleigh to London
- Flights from Denver to London
- Flights from Miami to London
- Flights from Washington, D.C. to London
- Flights from Orlando to London
- Flights from Paris to London
- Flights from Houston to London
- Flights from Minneapolis to London
- Flights from Dublin to London
- Flights from Seattle to London
- Flights from Athens to London
- Flights from Austin to London
Popular routes
- Flights from Berlin to Buenos Aires
- Flights from Los Angeles to Guadalajara
- Flights from New York to London
- Flights from Salzburg to Amsterdam
- Flights from Atlanta to Valencia
- Flights from Detroit to Ankara
- Flights from Penang to Mumbai
- Flights from Brussels to Kathmandu
- Flights from Santo Domingo to Sacramento
- Flights from Cartagena to Montería
- Flights from Budapest to Genoa
- Flights from San Francisco to Las Vegas
- Flights from Rochester to Asheville