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183 € Cheap Flights from Miami International to Key West International

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      Travellers and cabin class, 1 Adult, Economy
      American Airlines
      Envoy Air
      Qatar Airways
      British Airways
      Republic Airways
      Finnair

      Compare Miami International to Key West International flight deals

      Find the cheapest month or even day of the year to fly to Key West International

      Book the best Key West International fare with no extra fees

      Flight deals from Miami International to Key West International

      Looking for a cheap last-minute deal or the best return flight from Miami International Airport to Key West International Airport? If you want to travel next month, return fares start from 205 €. Find the lowest prices on one-way and return tickets right here.
      Key West.183 € per passenger.Departing Sat, 26 Sep, returning Wed, 30 Sep.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Miami International on Sat, 26 Sep, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Wed, 30 Sep, arriving in Miami International.Price includes taxes and charges.From 183 €, select.
      Key West.205 € per passenger.Departing Sat, 17 Oct, returning Sun, 18 Oct.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Miami International on Sat, 17 Oct, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Sun, 18 Oct, arriving in Miami International.Price includes taxes and charges.From 205 €, select.
      Key West.220 € per passenger.Departing Thu, 5 Nov, returning Wed, 11 Nov.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Miami International on Thu, 5 Nov, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Wed, 11 Nov, arriving in Miami International.Price includes taxes and charges.From 220 €, select.
      Key West.252 € per passenger.Departing Thu, 29 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Miami International on Thu, 29 Oct, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Sun, 1 Nov, arriving in Miami International.Price includes taxes and charges.From 252 €, select.
      Key West.342 € per passenger.Departing Wed, 16 Dec, returning Sun, 20 Dec.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Miami International on Wed, 16 Dec, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Sun, 20 Dec, arriving in Miami International.Price includes taxes and charges.From 342 €, select.
      Key West.371 € per passenger.Departing Thu, 15 Apr, returning Thu, 22 Apr.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Thu, 15 Apr, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Thu, 22 Apr, arriving in Miami International.Price includes taxes and charges.From 371 €, select.
      Key West.416 € per passenger.Departing Sun, 18 Oct, returning Sun, 25 Oct.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Sun, 18 Oct, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Sun, 25 Oct, arriving in Miami International.Price includes taxes and charges.From 416 €, select.
      Key West.429 € per passenger.Departing Mon, 7 Sep, returning Mon, 14 Sep.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Mon, 7 Sep, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Mon, 14 Sep, arriving in Miami International.Price includes taxes and charges.From 429 €, select.
      Key West.458 € per passenger.Departing Mon, 7 Sep, returning Sun, 18 Oct.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Miami International on Mon, 7 Sep, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Sun, 18 Oct, arriving in Miami International.Price includes taxes and charges.From 458 €, select.
      Key West.704 € per passenger.Departing Sun, 31 Jan, returning Wed, 3 Feb.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Sun, 31 Jan, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Wed, 3 Feb, arriving in Miami International.Price includes taxes and charges.From 704 €, select.
      Key West.745 € per passenger.Departing Mon, 1 Feb, returning Thu, 4 Feb.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Mon, 1 Feb, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Thu, 4 Feb, arriving in Miami International.Price includes taxes and charges.From 745 €, select.
      Key West.760 € per passenger.Departing Sun, 7 Mar, returning Thu, 11 Mar.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Sun, 7 Mar, arriving in Key West International.Inbound direct flight with American Airlines departs from Key West International on Thu, 11 Mar, arriving in Miami International.Price includes taxes and charges.From 760 €, select.
      Key West.828 € per passenger.Departing Thu, 13 May, returning Mon, 17 May.Return flight with Air Canada and Breeze Airways.Outbound indirect flight with Air Canada, departs from Miami International on Thu, 13 May, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Mon, 17 May, arriving in Miami International.Price includes taxes and charges.From 828 €, select.
      Key West.1.317 € per passenger.Departing Thu, 14 Jan, returning Thu, 28 Jan.Return flight with Aeromexico and jetBlue.Outbound indirect flight with Aeromexico, departs from Miami International on Thu, 14 Jan, arriving in Key West International.Inbound indirect flight with jetBlue, departs from Key West International on Thu, 28 Jan, arriving in Miami International.Price includes taxes and charges.From 1.317 €, select.
      Key West.1.770 € per passenger.Departing Sat, 26 Dec, returning Tue, 5 Jan.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Miami International on Sat, 26 Dec, arriving in Key West International.Inbound indirect flight with Breeze Airways, departs from Key West International on Tue, 5 Jan, arriving in Miami International.Price includes taxes and charges.From 1.770 €, select.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Miami International to Key West International flights are currently cheapest in September.
      Sep
      from 183 €
      Oct
      from 205 €
      Nov
      from 220 €
      Dec
      from 342 €
      Jan
      from 1.317 €
      Feb
      from 745 €
      Mar
      from 760 €
      Apr
      from 371 €
      May
      from 828 €
      Jun
      Find prices
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Miami International to Key West International

      American Airlines
      British Airways
      Envoy Air
      Finnair
      Qatar Airways
      Republic Airways

      Miami International to Key West International: Alternative routes

      Compare routes from Miami International to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

      Key West International

      5km from central Key West
      ClosestCheapest
      from 183 €
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      Miami to Key West: Flight information

      The things to know before you go.
      Cheapest flight found183 €
      Cheapest month to flySeptember
      Average flight time1 hr, 3 mins
      Most popular airlineAmerican Airlines
      Average flights per week88

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

      The best price we found for a return flight from Miami International to Key West International is 183 €. 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.
      1 hour and 3 minutes is the average flight time from Miami International to Key West International.
      American Airlines, Envoy Air and Qatar Airways fly direct from Miami International to Key West International.
      As of September 2026, there are 88 flights per week flying from Miami International to Key West International.
      The cheapest month to fly from Miami International to Key West International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to Key West International Airport on Saturday, 26 September 2026.
      Yes – the average flight time is 1 hour and 3 minutes.
      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 Key West International 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 Key West is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Key West International.

      Flying from Miami International Airport (MIA) to Key West International Airport (EYW): what you need to know

      • The average length of a direct flight from Miami International Airport to Key West International Airport is 1 hour.

      • Every week, there are 26 Miami International Airport to Key West International Airport flights. If you prefer to jet off early, go for the 08:20 American Airlines flight. If you're eager to make the most of your time before flying, the last flight is at 18:05 with American Airlines.

      • To ensure you get on your MIA to EYW flight, leave enough time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

      • Flying during a peak time such as July? Major public holidays and other popular periods can result in longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • Travelling to Key West (and then discovering more of the United States!) is a snap with American Airlines. This popular carrier has direct flights from Miami International Airport to Key West International Airport.

      • The airline that tops the list for bookings on this route is American Airlines.

      • American Airlines is the most punctual carrier that offers MIA to EYW flights. An impressive 83.46% of its services on this route arrive as planned.

      • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Miami International Airport to Key West International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Stopovers between MIA and EYW include:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • Orlando International Airport

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

      • At the moment, 108 € is the lowest price we've found for a one-way Miami International Airport to Key West International Airport flight. The best price for a return plane ticket is 183 €. Keep in mind that fares can change due to demand when booking.

      • Book three months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from MIA to EYW.

      • The cheapest month for flights from Miami International Airport to Key West International Airport is August. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

      • Cut down on the time spent looking for cheap flights from MIA to EYW by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

      • Find the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Miami International Airport to Key West International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

      Handy information about Miami International Airport (MIA)

      • MIA's address is 4200 N.W. 21 Street.

      • When it comes to the on-time performance of Miami International Airport, 78% of flights complete their journey on time.

      • To reach Miami International Airport from central Miami, it'll take around 20 minutes if you're going by car. This depends on traffic though. It's approximately 11 kilometres from the airport to the city centre.

      • Catching public transport? Expect a trip time of around 35 minutes.

      • Get your journey off to a relaxed start by staying near MIA. Whether you're catching an early flight from Miami International Airport to Key West International Airport or just don't want to be rushed, these hotels are perfect:

      Arriving at Key West International Airport (EYW)

      When to fly to Key West International Airport (EYW)

      • The quietest month for a flight from Miami International Airport to Key West International Airport is September, while April is the most popular. Choose the best time to go to Key West based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • The warmest month in Key West is August, with the temperature ranging between 26ºC (79ºF) and 30ºC (86ºF). Book your flights from Miami International Airport to Key West International Airport in this month if this is the kind of weather you like.

      • Search for cheap tickets from MIA to EYW in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 18ºC (64ºF) and 23ºC (73ºF) on average.

      Explore more of the United States

      • You've seen Key West, now it's time to discover other parts of the United States. Journey around 209 kilometres north-east to Miami to tick off its popular sights. From Beach to Ocean Drive and Port of Miami, you've got a jam-packed schedule ahead.

      • Tampa is another well-known destination in the United States and is around 386 kilometres north of Key West. No journey is complete without a visit to Busch Gardens Tampa, The Florida Aquarium and ZooTampa at Lowry Park.

      More travel options

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.