Cheap Flights from Atlanta, GA to Key West, FL from $94

Return flight: Key West – Atlanta
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On Cheapflightsplus.com you will find 251 connecting flights from Atlanta to Key West. You can compare airfare deals from 3 airlines and multiple travel sites from $94, book and save on cheap plane tickets and last minute offers. Also check out ATL-EYW flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Atlanta 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: $94 (one-way), $161 (round-trip).
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Best Flights from Atlanta to Key West Today

Take a look at the list of non stop flights and flights with layovers from Atlanta to Key West with the lowest price of $94. Take a look at the list of flights with layovers from Atlanta to Key West from $94. There’re no direct flights. The fastest connecting flight – 5h 37m.
Price Departure Arrival Flight Duration Airline Flight
from $94
Find flight
14:45
Atlanta
Hartsfield-Jackson
 15:03+1 день
Key West
Key West Int.
 24h 18m
layover
21h 52m - Clearwater
 Spirit Airlines
NK2468
G41071
from $112
Find flight
15:22
Atlanta
Hartsfield-Jackson
 16:45+1 день
Key West
Key West Int.
 25h 23m
layover
21h 14m - Indianapolis
 Spirit Airlines
NK2559
G41285
from $116
Find flight
11:27
Atlanta
Hartsfield-Jackson
 08:03+1 день
Key West
Key West Int.
 20h 36m
layover
1h 43m - Miami
14h 50m - Clearwater
 Spirit Airlines
NK3178
NK322
G4971
from $134
Find flight
15:02
Atlanta
Hartsfield-Jackson
 08:03+1 день
Key West
Key West Int.
 17h 1m
layover
1h 43m - Baltimore
9h 59m - Clearwater
 Spirit Airlines
NK3393
NK3733
G4971
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025
Full flight schedule will help you in detecting at what time planes fly from Atlanta 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
05:25 — 08:03
+1 day
05:25 — 07:19 NK3176 Spirit Airlines
Atlanta — Miami
7h 46m stop
15:05 — 16:10 NK322 Spirit Airlines
Miami — Clearwater
14h 50m stop
07:00 — 08:03 G4971 Allegiant Air
Clearwater — Key West
26h 38m
including layover
Find flight
from$116
05:25 — 14:43
+1 day
05:25 — 07:19 NK3176 Spirit Airlines
Atlanta — Miami
7h 46m stop
15:05 — 16:10 NK322 Spirit Airlines
Miami — Clearwater
21h 30m stop
13:40 — 14:43 G41034 Allegiant Air
Clearwater — Key West
33h 18m
including layover
Find flight
from$134
08:40 — 08:03
+1 day
08:40 — 10:07 NK839 Spirit Airlines
Atlanta — Clearwater
20h 53m stop
07:00 — 08:03 G4971 Allegiant Air
Clearwater — Key West
23h 23m
including layover
Find flight
from$99
09:53 — 08:03
+1 day
09:53 — 11:45 NK2345 Spirit Airlines
Atlanta — Miami
6h 43m stop
18:28 — 19:27 NK2233 Spirit Airlines
Miami — Clearwater
11h 33m stop
08:30 — 09:33 G4971 Allegiant Air
Clearwater — Key West
22h 10m
including layover
Find flight
from$134
11:27 — 08:03
+1 day
11:27 — 13:22 NK3178 Spirit Airlines
Atlanta — Miami
1h 43m stop
15:05 — 16:10 NK322 Spirit Airlines
Miami — Clearwater
14h 50m stop
07:00 — 08:03 G4971 Allegiant Air
Clearwater — Key West
20h 36m
including layover
Find flight
from$116
11:27 — 14:43
+1 day
11:27 — 13:22 NK3178 Spirit Airlines
Atlanta — Miami
1h 43m stop
15:05 — 16:10 NK322 Spirit Airlines
Miami — Clearwater
21h 30m stop
13:40 — 14:43 G41034 Allegiant Air
Clearwater — Key West
27h 16m
including layover
Find flight
from$134
13:06 — 14:43
+1 day
13:06 — 15:01 NK3378 Spirit Airlines
Atlanta — Miami
6h 58m stop
21:59 — 23:06 NK1954 Spirit Airlines
Miami — Clearwater
14h 34m stop
13:40 — 14:43 G41034 Allegiant Air
Clearwater — Key West
25h 37m
including layover
Find flight
from$134
14:39 — 15:03
+1 day
14:39 — 15:09 NK2709 Spirit Airlines
Atlanta — New Orleans
2h 5m stop
17:14 — 19:48 NK2207 Spirit Airlines
New Orleans — Clearwater
18h 12m stop
14:00 — 15:03 G41071 Allegiant Air
Clearwater — Key West
24h 24m
including layover
Find flight
from$116
14:45 — 15:03
+1 day
14:45 — 16:08 NK2468 Spirit Airlines
Atlanta — Clearwater
21h 52m stop
14:00 — 15:03 G41071 Allegiant Air
Clearwater — Key West
24h 18m
including layover
Find flight
from$94
15:02 — 08:03
+1 day
15:02 — 16:51 NK3393 Spirit Airlines
Atlanta — Baltimore
1h 43m stop
18:34 — 21:01 NK3733 Spirit Airlines
Baltimore — Clearwater
9h 59m stop
07:00 — 08:03 G4971 Allegiant Air
Clearwater — Key West
17h 1m
including layover
Find flight
from$134
15:22 — 16:45
+1 day
15:22 — 16:50 NK2559 Spirit Airlines
Atlanta — Indianapolis
21h 14m stop
14:04 — 16:45 G41285 Allegiant Air
Indianapolis — Key West
25h 23m
including layover
Find flight
from$112
16:32 — 09:43
+1 day
16:32 — 18:03 NK2460 Spirit Airlines
Atlanta — Sanford
14h 29m stop
08:32 — 09:43 G42877 Allegiant Air
Sanford — Key West
17h 11m
including layover
Find flight
from$101
16:32 — 09:42
+1 day
16:32 — 18:03 NK2460 Spirit Airlines
Atlanta — Sanford
14h 27m stop
08:30 — 09:42 G42861 Allegiant Air
Sanford — Key West
17h 10m
including layover
Find flight
from$102
19:30 — 14:10
+1 day
19:30 — 21:00 NK3135 Spirit Airlines
Atlanta — Sanford
16h stop
13:00 — 14:10 G41340 Allegiant Air
Sanford — Key West
18h 40m
including layover
Find flight
from$101
20:08 — 09:33
+1 day
20:08 — 21:42 NK1293 Spirit Airlines
Atlanta — Clearwater
10h 48m stop
08:30 — 09:33 G4971 Allegiant Air
Clearwater — Key West
13h 25m
including layover
Find flight
from$99
*Departure and arrival times - local. Updated on September 18, 2025

Flight Information

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

Distance between Atlanta and Key West is 1042 miles. Time difference between the cities is 0h. Airplanes depart 05:12 to 22:45 from 7 Atlanta airports and arrive 05:12 to 22:45 to 2 Key West airports. Average flight time is 24h 24m.

  • The fastest flight 5h 37m
  • Average flight time 24h 24m
  • The earliest flight 05:12
  • The latest flight 22:45
  • Distance 648 ml

The cheapest months to travel to Key West are june (from 94 $), july (from 99 $), august (from 99 $).

The most expensive months are november (from 648 $), september (from 448 $), october (from 152 $).

What is the lowest airfare Atlanta to Key West?

The cheapest plane ticket found by our users is $94. This airfare is for economy class on one-way NK2468 flight by Spirit Airlines for June 6, 2025 which leaves Hartsfield-Jackson in Atlanta at 14:45 am and arrives at Key West Key West Int. at 15:03.

Economy class
$94
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Atlanta — 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 - 4 departures per week at the price of from $ 260 . And the most expensive tickets are offered by United Airlines airline - from $ 1001.

Direct flights

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

Connecting Flights

There are 251 flights with layovers on the route. The fastest connecting flight is NK3376 by Spirit Airlines takes 5h 37m and the cheapest is NK2468 by Spirit Airlines for $94.

  • SY - Sun Country Airlines
    from $260
    Find
  • UA - United Airlines
    from $208
    Find
  • NK - Spirit Airlines
    from $94
    Find
See more connecting flights

Airports

You can fly from Atlanta to Key West from 7 airports (Perimeter Mall, DeKalb-Peachtree, Hartsfield-Jackson, Beaver Ruin, Fulton County, Galleria Heliport, Technology Park).

Atlanta airports

  • Perimeter Mall-JAJ
    Find
  • DeKalb-Peachtree-PDK
    Find
  • Hartsfield-Jackson-ATL
    from $94
    Find
  • Beaver Ruin-JAO
    Find
  • Fulton County-FTY
    Find
  • Galleria Heliport-JGL
    Find
  • Technology Park-JAE
    Find

Key West airports

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

Airplanes

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

Top Domestic Destinations from Atlanta

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

Top International Destinations from Atlanta

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»
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  • 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.

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