Cheap Flights from Miami, FL to Key West, FL from $155

Return flight: Key West – Miami
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On Cheapflightsplus.com you will find 44 connecting flights from Miami to Key West. You can compare airfare deals from 3 airlines and multiple travel sites from $155, book and save on cheap plane tickets and last minute offers. Also check out MIA-EYW flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Miami to Key West Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $155 (one-way), $266 (round-trip).
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Best Flights from Miami to Key West Today

Take a look at the list of non stop flights and flights with layovers from Miami to Key West with the lowest price of $155. Take a look at the list of flights with layovers from Miami to Key West from $155. There’re no direct flights. The fastest connecting flight – 13h 25m.
Price Departure Arrival Flight Duration Airline Flight
from $266
Find flight
18:32
Miami
Miami Intl
 12:41+1 день
Key West
Key West Int.
 18h 9m
layover
11h 41m - Newark
 United Airlines
UA1386
UA1822
from $155
Find flight
17:51
Miami
Miami Intl
 16:36+1 день
Key West
Key West Int.
 22h 45m
layover
1h 0m - Newark
14h 25m - Pittsburgh
 Spirit Airlines
NK1211
NK1788
G4991
from $182
Find flight
07:00
Miami
Miami Intl
 15:27+1 день
Key West
Key West Int.
 32h 27m
layover
23h 50m - Newark
1h 38m - Fletcher
 Spirit Airlines
NK2693
G4219
G41069
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 19, 2025
Full flight schedule will help you in detecting at what time planes fly from Miami to Key West. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
07:00 — 16:38
+1 day
07:00 — 10:03 NK2693 Spirit Airlines
Miami — Newark
21h 54m stop
07:59 — 09:20 NK2651 Spirit Airlines
Newark — Pittsburgh
4h 39m stop
13:59 — 16:41 G4991 Allegiant Air
Pittsburgh — Key West
33h 38m
including layover
Find flight
from$159
07:00 — 15:27
+1 day
07:00 — 10:05 NK2693 Spirit Airlines
Miami — Newark
23h 50m stop
09:55 — 11:45 G4219 Allegiant Air
Newark — Fletcher
1h 38m stop
13:23 — 15:27 G41069 Allegiant Air
Fletcher — Key West
32h 27m
including layover
Find flight
from$182
07:00 — 15:30
+1 day
07:00 — 10:05 NK2693 Spirit Airlines
Miami — Newark
23h 50m stop
09:55 — 11:50 G4238 Allegiant Air
Newark — Fletcher
1h 40m stop
13:30 — 15:30 G4977 Allegiant Air
Fletcher — Key West
32h 30m
including layover
Find flight
from$218
07:00 — 16:45
+1 day
07:00 — 10:05 NK2693 Spirit Airlines
Miami — Newark
6h 30m stop
16:35 — 18:52 NK2112 Spirit Airlines
Newark — Indianapolis
19h 12m stop
14:04 — 16:45 G41285 Allegiant Air
Indianapolis — Key West
33h 45m
including layover
Find flight
from$227
07:00 — 16:42
+1 day
07:00 — 10:05 NK2693 Spirit Airlines
Miami — Newark
6h 30m stop
16:35 — 18:52 NK2112 Spirit Airlines
Newark — Indianapolis
19h 13m stop
14:05 — 16:42 G41230 Allegiant Air
Indianapolis — Key West
33h 42m
including layover
Find flight
from$233
07:00 — 16:36
+1 day
07:00 — 10:05 NK2693 Spirit Airlines
Miami — Newark
21h 54m stop
07:59 — 09:16 NK2651 Spirit Airlines
Newark — Pittsburgh
4h 38m stop
13:54 — 16:36 G41055 Allegiant Air
Pittsburgh — Key West
33h 36m
including layover
Find flight
from$244
11:11 — 09:22
+1 day
11:11 — 13:08 NK1248 Spirit Airlines
Miami — Atlanta
7h stop
20:08 — 21:42 NK1293 Spirit Airlines
Atlanta — Tampa
10h 33m stop
08:15 — 09:22 MX160 Mexicana
Tampa — Key West
22h 11m
including layover
Find flight
from$235
11:53 — 13:07
+1 day
11:53 — 14:16 NK3201 Spirit Airlines
Miami — Chicago
5h 23m stop
19:39 — 23:32 NK507 Spirit Airlines
Chicago — Orlando
12h 20m stop
11:52 — 13:07 MX162 Mexicana
Orlando — Key West
25h 14m
including layover
Find flight
from$224
11:53 — 09:22
+1 day
11:53 — 14:16 NK3201 Spirit Airlines
Miami — Chicago
2h 22m stop
16:38 — 20:27 NK529 Spirit Airlines
Chicago — Tampa
11h 48m stop
08:15 — 09:22 MX160 Mexicana
Tampa — Key West
21h 29m
including layover
Find flight
from$250
12:30 — 15:16
+1 day
12:30 — 15:36 NK2693 Spirit Airlines
Miami — Newark
18h 19m stop
09:55 — 11:45 G4219 Allegiant Air
Newark — Fletcher
1h 32m stop
13:17 — 15:16 G41022 Allegiant Air
Fletcher — Key West
26h 46m
including layover
Find flight
from$184
12:30 — 16:45
+1 day
12:30 — 15:36 NK2693 Spirit Airlines
Miami — Newark
17h 24m stop
09:00 — 11:10 NK2112 Spirit Airlines
Newark — Indianapolis
2h 56m stop
14:06 — 16:45 G41335 Allegiant Air
Indianapolis — Key West
28h 15m
including layover
Find flight
from$246
13:07 — 18:42
+1 day
13:07 — 16:18 NK671 Spirit Airlines
Miami — Newark
19h 37m stop
11:55 — 13:50 G4217 Allegiant Air
Newark — Fletcher
2h 53m stop
16:43 — 18:42 G4228 Allegiant Air
Fletcher — Key West
29h 35m
including layover
Find flight
from$210
17:30 — 13:07
+1 day
17:30 — 19:34 NK3861 Spirit Airlines
Miami — Atlanta
11h 56m stop
07:30 — 09:02 NK3376 Spirit Airlines
Atlanta — Orlando
2h 50m stop
11:52 — 13:07 MX162 Mexicana
Orlando — Key West
19h 37m
including layover
Find flight
from$219
17:51 — 16:36
+1 day
17:51 — 21:05 NK1211 Spirit Airlines
Miami — Newark
1h stop
22:05 — 23:29 NK1788 Spirit Airlines
Newark — Pittsburgh
14h 25m stop
13:54 — 16:36 G4991 Allegiant Air
Pittsburgh — Key West
22h 45m
including layover
Find flight
from$155
17:51 — 16:36
+1 day
17:51 — 21:05 NK1211 Spirit Airlines
Miami — Newark
1h stop
22:05 — 23:29 NK1788 Spirit Airlines
Newark — Pittsburgh
14h 25m stop
13:54 — 16:36 G41055 Allegiant Air
Pittsburgh — Key West
22h 45m
including layover
Find flight
from$185
*Departure and arrival times - local. Updated on September 19, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Miami to Key West depends on and how to choose the most interesting flight option for you.

Distance between Miami and Key West is 202 miles. Time difference between the cities is 0h. Airplanes depart 06:00 to 20:45 from 3 Miami airports and arrive 06:00 to 20:45 to 2 Key West airports. Average flight time is 25h 33m.

  • The fastest flight 13h 25m
  • Average flight time 25h 33m
  • The earliest flight 06:00
  • The latest flight 20:45
  • Distance 126 ml

The cheapest months to travel to Key West are august (from 155 $), june (from 159 $), july (from 168 $).

The most expensive months are september (from 210 $), may (from 184 $), july (from 168 $).

What is the lowest airfare Miami to Key West?

The cheapest plane ticket found by our users is $155. This airfare is for economy class on one-way NK1211 flight by Spirit Airlines for August 7, 2025 which leaves Miami Intl in Miami at 17:51 am and arrives at Key West Key West Int. at 16:36.

Economy class
$155
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Miami — Key West is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Sun Country Airlines - 1 departures per week at the price of from $ 272 . And the most expensive tickets are offered by United Airlines airline - from $ 1228.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 44 flights with layovers on the route. The fastest connecting flight is UA1511 by United Airlines takes 13h 25m and the cheapest is NK1211 by Spirit Airlines for $155.

  • SY - Sun Country Airlines
    from $272
    Find
  • UA - United Airlines
    from $266
    Find
  • NK - Spirit Airlines
    from $155
    Find
See more connecting flights

Airports

You can fly from Miami to Key West from 3 airports (Miami Intl, Palm Beach Intl, Miami Int.).

Miami airports

  • Miami Intl-MIA
    from $155
    Find
  • Palm Beach Intl-PBI
    Find
  • Miami Int.-FLL
    Find

Key West airports

  • NAS-NQX
    Find
  • Key West Int.-EYW
    Find

Airplanes

There are flights to Key West from Miami by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Miami

You may also consider searching for discounted plane tickets to some other popular places from Miami within United States.

Top International Destinations from Miami

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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