Cheap flights from the United Kingdom to Key West from £260
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Key West departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to Key West
Recent return flight deals from the United Kingdom to Key West
Recent one-way flight deals from the United Kingdom to Key West
Recent last minute flight deals from the United Kingdom to Key West
British Airways flights from United Kingdom to Key West
Our best British Airways deals on United Kingdom to Key West flight tickets
Lufthansa flights from United Kingdom to Key West
Our best Lufthansa deals on United Kingdom to Key West flight tickets
See travel insights to Key West from
How to get the cheapest flight ticket from United Kingdom to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Key West?
If you aren’t able to travel to Key West during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £513.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £517. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Key West on Thursday is £645.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from United Kingdom to Key West in the morning for as low as £567. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around £808. Of course, these prices can vary depending on the time of year and what airport you fly to.
Can stopping save me money on United Kingdom to Key West flights?
You could potentially save up to 66% on your flight if you consider stops on a United Kingdom to Key West flight.
What is the cheapest airline that flies from United Kingdom to Key West?
British Airways and Virgin Atlantic are the most popular carriers operating from United Kingdom to Key West
Which airlines fly to Key West?
Virgin Atlantic, British Airways and Finnair are the top three most popular airlines that fly to Key West from United Kingdom according to our data. Virgin Atlantic is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
Cheap United Kingdom to Key West flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Key West
When did momondo last update prices for flights from United Kingdom to Key West Airport?
Prices for flights from United Kingdom to Key West Airport are updated daily.
How many operators does momondo search for flights from United Kingdom to Key West Airport?
As of June 2025, there are 3 operators available to choose from for flights from United Kingdom to Key West Airport.
How old do you have to be to fly from United Kingdom to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from United Kingdom to Key West
Compare and see reviews for airlines that fly from United Kingdom to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £425 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom £441 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 6.6 7,028 reviews |
Travelling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Key West?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from United Kingdom.
Can I find flights from United Kingdom to Key West with flexible booking policies on momondo?
Flights from United Kingdom to Key West with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from United Kingdom to Key West?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Key West.
I’m not ready to book a flight from United Kingdom to Key West right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from United Kingdom and alert you when they change.