Skyscanner home

748 € Cheap Flights from Key West International to London

Compare Key West International to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from Key West International to London

Looking for a cheap last-minute deal or the best return flight from Key West International Airport to London? If you want to travel next month, return fares start from 867 €. Find the lowest prices on one-way and return tickets right here.
London.748 € per passenger.Departing Tue, 1 Sep, returning Tue, 15 Sep.Return flight with Air France.Outbound indirect flight with Air France, departs from Key West International on Tue, 1 Sep, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Tue, 15 Sep, arriving in Key West International.Price includes taxes and charges.From 748 €, select.
London.788 € per passenger.Departing Fri, 8 Jan, returning Fri, 15 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Key West International on Fri, 8 Jan, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Fri, 15 Jan, arriving in Key West International.Price includes taxes and charges.From 788 €, select.
London.802 € per passenger.Departing Thu, 21 May, returning Thu, 4 Jun.Return flight with Allegiant Air and Norse Atlantic Airways (UK).Outbound indirect flight with Allegiant Air, departs from Key West International on Thu, 21 May, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Thu, 4 Jun, arriving in Key West International.Price includes taxes and charges.From 802 €, select.
London.867 € per passenger.Departing Mon, 8 Jun, returning Sun, 14 Jun.Return flight with Breeze Airways and Norse Atlantic Airways (UK).Outbound indirect flight with Breeze Airways, departs from Key West International on Mon, 8 Jun, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Sun, 14 Jun, arriving in Key West International.Price includes taxes and charges.From 867 €, select.
London.933 € per passenger.Departing Wed, 27 May, returning Fri, 29 May.Return flight with Breeze Airways and Norse Atlantic Airways (UK).Outbound indirect flight with Breeze Airways, departs from Key West International on Wed, 27 May, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 29 May, arriving in Key West International.Price includes taxes and charges.From 933 €, select.
London.963 € per passenger.Departing Mon, 3 Aug, returning Mon, 10 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Key West International on Mon, 3 Aug, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Mon, 10 Aug, arriving in Key West International.Price includes taxes and charges.From 963 €, select.
London.1.023 € per passenger.Departing Wed, 10 Jun, returning Sun, 9 Aug.Return flight with Breeze Airways and Ryanair.Outbound indirect flight with Breeze Airways, departs from Key West International on Wed, 10 Jun, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 9 Aug, arriving in Key West International.Price includes taxes and charges.From 1.023 €, select.
London.1.075 € per passenger.Departing Sat, 27 Jun, returning Fri, 10 Jul.Return flight with Allegiant Air and Norse Atlantic Airways (UK).Outbound indirect flight with Allegiant Air, departs from Key West International on Sat, 27 Jun, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 10 Jul, arriving in Key West International.Price includes taxes and charges.From 1.075 €, select.
London.1.076 € per passenger.Departing Wed, 27 May, returning Thu, 22 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Key West International on Wed, 27 May, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Thu, 22 Oct, arriving in Key West International.Price includes taxes and charges.From 1.076 €, select.

Find the cheapest month to fly from Key West International to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Key West International to London flights are currently cheapest in September.
May
from 933 €
Jun
from 867 €
Jul
Find prices
Aug
from 963 €
Sep
from 748 €
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
from 788 €
Feb
Find prices
Mar
Find prices
Apr
Find prices

Alternative Key West International to London routes

Looking for the cheapest, fastest or easiest route from Key West International to London? You could fly into the following airports instead.

London City

12km from central London
Closest
from 1.051 €
Search flights

London Heathrow

23km from central London
Cheapest
from 748 €
Search flights

London Gatwick

40km from central London
from 802 €
Search flights

London Luton

45km from central London
from 1.087 €
Search flights

London Stansted

49km from central London
from 1.023 €
Search flights

London Southend

57km from central London
Search flights

Key West to London: Flight information

The things to know before you go.
Cheapest flight found748 €
Cheapest month to flySeptember

Finding cheap flights from Key West International to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Key West International to London is 748 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Key West International to London. But we found flights with one or more stops from 748 €.
As of May 2026, there are no flights flying from Key West International to London.
The cheapest month to fly from Key West International to London is usually September.
If you're flying from Key West International Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from 748 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Key West International Airport to London on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Key West International Airport and London. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Air France offers the cheapest flight tickets to London.

Travelling from Key West International Airport (EYW) to London: what you need to know

  • The timezone in London is UTC+0. The city is four hours ahead of Key West, where Key West International Airport is located.

  • To avoid rushing for your EYW to London flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Heading away during a peak time like school or public holidays? Expect longer lines at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Think about adding a stopover to potentially score a cheaper plane ticket from EYW to London. All you need to do is uncheck 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these popular airports:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Newark Liberty International Airport (EWR)

  • Located around 3 kilometres from central Key West, EYW can be reached in about 5 minutes by car (depending on traffic). Travelling on public transport takes roughly 40 minutes.

  • Searching for a hotel close to EYW? If you're catching an early flight from Key West International Airport to London, these accommodation options will put you moments from your departure gate:

  • 71.92% of flights departing from Key West International Airport arrive at their destination on schedule.

  • The address for EYW is 3491 South Roosevelt Boulevard.

How to find the cheapest flights from Key West International Airport (EYW) to London

  • 284 € is currently the lowest price for a one-way Key West International Airport to London flight. Return plane tickets start from 748 €. These prices may change depending on availability.

  • To pick up cheap flights from EYW to London, book as early as you can. Airlines generally offer lower prices when flights first go on sale.

  • The 'Whole month' search tool will show you the cheapest tickets from Key West International Airport to London across each month. It's an easy way to find a bargain if your travel dates are flexible.

  • Snapping up a cheap flight from EYW to London couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch as soon as a cheaper option becomes available.

  • Tailor your trip with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Key West International Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It'll take you around 55 minutes to get to the centre driving.

  • It'll take around 1 hour to get there using public transport.

  • Think about booking a hotel close to LHR if you're coming in on a late flight from Key West International Airport to London. Settle into one of these accommodation options and make your arrival easier:

  • Get on the fast track to adventure by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.

  • Booking your ride from London Heathrow Airport around one week ahead of your flight from EYW to London can help you secure the lowest rate.

London Gatwick Airport (LGW)

  • The centre of London is around 80 kilometres from London Gatwick Airport (LGW). After your flight from Key West International Airport to London has hit the runway and you've made your way through the terminal, expect a drive of about 1 hour 20 minutes.

  • You can expect the journey to take about 30 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to LGW. Here are a few options where you can tuck yourself in after your EYW to London flight:

  • The quickest way to get to where you're going is with a London Gatwick Airport rental car. Pick up a set of wheels from Green Motion, U-Save or Drivalia and be on your way in a flash.

  • Snap up a deal by reserving your ride from LGW three weeks in advance. You can also expect to have a wider range of vehicles.

Stansted Airport (STN)

  • Hop off your flight from Key West International Airport to London and make your way to your hotel or jump right into sightseeing. Central London is around 64 kilometres from Stansted Airport (STN) and typically takes 1 hour to reach driving.

  • Public transport can take you there in around 1 hour 25 minutes.

  • If you don't want to make your way to the centre, head for a hotel close to STN. Get comfortable at one of these options after your EYW to London flight:

  • Take control of the next leg of your trip by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar are some companies you can book with.

  • Plan ahead and reap the rewards. Book your ride from STN four weeks before your flight from Key West International Airport to London to access the best deals.

Best time to go to London

  • Carefully consider your trip dates before booking your flight from Key West International Airport to London. The city buzzes during high season, but prices are often higher and major attractions can be busy. Visit London in the off-season if you prefer a quieter vibe.

  • Before locking in your Key West International Airport to London plane ticket, think about the kind of weather you prefer. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • Search for cheap tickets from EYW to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • After booking your flight from Key West International Airport to London, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring London:

  • The British Museum and Big Ben are a couple of top-rated attractions to add to your London itinerary. Keep the sightseeing going at Buckingham Palace.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered after you've experienced London. Around 161 kilometres away to the north-west, its top attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another standout destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without experiencing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Key West to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.