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  1. Flights
  2. United States
  3. Key West, FL

Book cheap flights to Key West, FL

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Discover the cheapest flights to Key West, FL
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Thu 10 Dec - Fri 18 Dec
Allegiant Air
Allegiant AirDirect
Orlando - Key West, FL
Allegiant Air
Allegiant AirDirect
Key West, FL - Orlando
106£
97£
Prime price per passenger
Tue 22 Dec - Fri 25 Dec
Allegiant Air
Allegiant AirDirect
Orlando - Key West, FL
Breeze Airways
Breeze AirwaysDirect
Key West, FL - Orlando
117£
109£
Prime price per passenger
Sun 24 Jan - Sat 30 Jan
American Airlines
American AirlinesDirect
Boston - Key West, FL
American Airlines
American AirlinesDirect
Key West, FL - Boston
296£
Prime price per passenger
Fri 15 Jan - Mon 18 Jan
Allegiant Air
Allegiant AirDirect
Pittsburgh - Key West, FL
Allegiant Air
Allegiant AirDirect
Key West, FL - Pittsburgh
347£
340£
Prime price per passenger
Thu 3 Dec - Mon 7 Dec
American Airlines
American AirlinesDirect
Newark, NJ - Key West, FL
American Airlines
American AirlinesDirect
Key West, FL - Newark, NJ
581£
Prime price per passenger
Fri 22 Jan
Allegiant Air
Allegiant AirDirect
Tampa, FL - Key West, FL
52£
48£
Prime price per passenger
Sun 27 Dec
Allegiant Air
Allegiant AirDirect
Tampa, FL - Key West, FL
64£
60£
Prime price per passenger
Sun 6 Dec
American Airlines
American AirlinesDirect
Washington - Key West, FL
163£
161£
Prime price per passenger
Thu 17 Dec
American Airlines
American AirlinesDirect
Washington - Key West, FL
230£
223£
Prime price per passenger
Mon 25 Jan
British Airways
British AirwaysDirect
London - Key West, FL
433£
401£
Prime price per passenger
Fri 8 Jan
Swiss International Air Lines
Swiss International Air LinesDirect
Manchester - Key West, FL
591£
582£
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Popular flight routes to Key West, FL

London
Flights from Londonto Key West, FL
543£
Prime price per passenger
Orlando
Flights from Orlandoto Key West, FL
30£
28£
Prime price per passenger
Manchester
Flights from Manchesterto Key West, FL
650£
637£
Prime price per passenger
Birmingham
Flights from Birminghamto Key West, FL
601£
569£
Prime price per passenger
Tampa
Flights from Tampato Key West, FL
90£
82£
Prime price per passenger
Glasgow
Flights from Glasgowto Key West, FL
928£
927£
Prime price per passenger
Destination airportKey West International AirportFor flights to Key West, FL
Most popular airlineAllegiant AirMost popular airline with flights to Key West, FL
High seasonMarchAccording to search data from our customers, March is the busiest time to fly to Key West, FL
Low seasonJanuaryAccording to search data from our customers, January is the least busy time to fly to Key West, FL

How long is the flight to Key West, FL?

If you’re planning to fly to Key West, FL, we at Opodo have analysed the most popular routes to help you plan your journey. From Birmingham, the flight takes approximately 12h 4m; from Glasgow, around 12h 15m; and from Manchester, about 12h 37m.
Flight Time (in hours)
BirminghamGlasgowManchesterLondonInverness
0h 5h 10h 15h
12h 4m
12h 15m
12h 37m
12h 42m
13h 42m

How much does a flight to Key West, FL cost?

At Opodo you can find flights from London to Key West, FL starting from £398, with an average price of £1,013. If you depart from other cities such as Inverness, you can find tickets from £436, and from Birmingham starting from £473, according to data from the last 72 hours.
Filter by
LondonInvernessBirminghamManchesterGlasgow
£398
£1,013
£436
£436
£473
£521
£504
£580
£559
£743
LondonCheapest
Cheapest Price: £398
Cheapest
Average

Book your flight to Key West, FL

Compare cheap flights to Key West, FL (United States) on Opodo, all in one search. View airlines, times, layovers and fares, then filter by departure time or journey length to find the best flight for you.

The lowest fare to Key West, FL booked on Opodo in recent days was £48. Use this as a guide only, as the final price will vary depending on your travel dates and how far in advance you book.

Allegiant Air is the airline most often chosen by travellers heading to Key West, FL.

The weather in Key West, FL

The ideal time to visit Key West, FL may well come down to the weather you prefer. In Key West, FL, average temperatures sit at around 32ºC during the hottest months and 19ºC during the coldest ones. Keep this in mind when deciding when to fly, what to pack and how to spend your time once you arrive.

  • Highs: roughly 32ºC in the warmest months
  • Lows: close to 18ºC in the coldest months
  • Hottest month: August
  • Coldest month: January
  • Driest month: February
  • Wettest month: September

Airlines flying to Key West, FL and routes

Allegiant Air flies direct to Key West, FL. Non-stop routes are available from the following cities:

  • Orlando with Allegiant Air
  • Tampa, FL with Allegiant Air
  • Pittsburgh with Allegiant Air
  • Miami with American Airlines

You can also fly to Key West, FL making a stop along the way with airlines such as American Airlines. Here are some of the departure cities and the airline serving each route:

  • London with American Airlines
  • London with British Airways

How to spend less on your flight to Key West, FL

A handful of simple checks can help you cut the cost of your trip to Key West, FL:

  • Flexible dates: look at a few different departure days before you decide. Flying a day earlier or later can sometimes make a real difference to the price.
  • Nearby airports: it's worth weighing up the alternatives. A smaller airport not too far from Key West, FL might be cheaper to fly into than the main one.
  • Baggage: check what's included with each fare before you confirm. Knowing your allowance ahead of time means no nasty surprises at the airport.

Before you set off, double-check United States's entry requirements and leave yourself plenty of time to get your paperwork in order.

Don't forget that adding a hotel to your booking unlocks exclusive discounts on your stay. You can add car hire to the same booking too, and you may find further savings by bundling it with your flights and accommodation.

Key West, FL flights FAQs

How can I search for low-cost flights to Key West, FL on Opodo UK?
At Opodo UK, you can find flights to Key West, FL starting from just £48. We use cutting-edge technology to create great offers that give you a variety of options to choose from. Whether you’re searching for the best prices or the most convenient flight times, we’re here to help you find the perfect choice for your trip to Key West, FL.
What month is the best time to visit Key West, FL?
We analyzed the flight searches made by our customers, and the optimal month for flying to Key West, FL is March.
You might want to fly to Key West, FL on February, as it’s the second-best month for a memorable trip to that destination.
And we can't ignore April, which ranks as the third most popular month to visit Key West, FL.
If you enjoy a more peaceful travel experience, we’d like to share that the month with the lowest demand for flights to Key West, FL is January. This means you can expect fewer crowds and a more relaxed atmosphere during your trip.
Which airlines provide the lowest-cost flights to Key West, FL?

Based on the pricing trends from our UK customers' bookings to Key West, FL, the following low-cost carriers are among the best options for securing cheap flights:

  • JetBlue Airways offers an average one-way fare of £965.97. Additionally, flying from London to Key West, FL costs about £965.97, while a trip from Edinburgh is priced at £969.
  • TAP Portugal is among the most affordable airlines available and offers an average one-way ticket price of £1,055.96. This average includes: a fare of £1,055.96 for flights from Manchester to Key West, FL, as well as a price of £947.57 for flights originating from Glasgow.
  • British Airways ranks as the third airline offering the most affordable one-way tickets, with an average fare of £1,101.14. For instance, flights from Newcastle to Key West, FL are priced at approximately £674.30, while fares from Glasgow average around £954.30.
What carriers provide flights from the UK to Key West, FL?

Airlines that operate direct flights from the UK to Key West, FL are as follows:

  • Allegiant Air operates direct flights originating from Tampa, FL and Orlando to Key West, FL. Additionally, this airline also offers services from Indianapolis to the same destination.
  • American Airlines operates flights from Raleigh - Durham, Orlando and Miami directly to Key West, FL. American Airlines offers convenient travel options, making it easy for passengers to reach Key West, FL from these major origins.
  • Breeze Airways offers flights from Miami and Miami to Key West, FL. Moreover, they also provide services from Miami.

Here are also some options for indirect flights from the UK to Key West, FL:

  • American Airlines, an airline known for offering flights from various cities, operates routes fromLondon, Manchester, and Copenhagen.
  • British Airways offers flights to Key West, FL from Manchester, London, as well as Birmingham, providing multiple convenient departure options for travelers.
  • Finally, Spirit Airlines operates flights to Key West, FL, departing from numerous locations, including Boston, Newark, NJ, and Tampa.
How's the weather in Key West, FL?
If you’re seeking a sunny getaway, the ideal months to visit Key West, FL are August, July and September. During this time, the average temperature soars to 32º. Additionally, the sun shines brightest in April, March, and January, which are the top three sunniest months of the year, offering an impressive average of 25 hours of sunshine daily. On the other hand, if you prefer cooler weather, consider planning your trip to Key West, FL during the months of January, February and December. During these months, the average temperature is 19º. For travelers who are less concerned about temperature but want to stay dry, it's wise to steer clear of visiting during September, August and October. During these months, the average precipitation in Key West, FL reaches 144mm. In contrast, the months of February, January and March, are much drier, averaging 47mm of rainfall.

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