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

Return flight: Key West – Atlanta

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.

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 652 $), september (from 451 $), october (from 153 $).

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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Flight Schedule Atlanta (Georgia) to Key West (Florida)

05:25 — 08:03+1day
26h 38m flight time
Find flight
from$117
05:25 — 07:19 Atlanta — Miami
NK3176 Spirit Airlines
7h 46m stop
15:05 — 16:10 Miami — Clearwater
NK322 Spirit Airlines
14h 50m stop
07:00 — 08:03 Clearwater — Key West
G4971 Allegiant Air
05:25 — 14:43+1day
33h 18m flight time
Find flight
from$134
05:25 — 07:19 Atlanta — Miami
NK3176 Spirit Airlines
7h 46m stop
15:05 — 16:10 Miami — Clearwater
NK322 Spirit Airlines
21h 30m stop
13:40 — 14:43 Clearwater — Key West
G41034 Allegiant Air
08:40 — 08:03+1day
23h 23m flight time
Find flight
from$99
08:40 — 10:07 Atlanta — Clearwater
NK839 Spirit Airlines
20h 53m stop
07:00 — 08:03 Clearwater — Key West
G4971 Allegiant Air
09:53 — 08:03+1day
22h 10m flight time
Find flight
from$134
09:53 — 11:45 Atlanta — Miami
NK2345 Spirit Airlines
6h 43m stop
18:28 — 19:27 Miami — Clearwater
NK2233 Spirit Airlines
11h 33m stop
08:30 — 09:33 Clearwater — Key West
G4971 Allegiant Air
11:27 — 08:03+1day
20h 36m flight time
Find flight
from$117
11:27 — 13:22 Atlanta — Miami
NK3178 Spirit Airlines
1h 43m stop
15:05 — 16:10 Miami — Clearwater
NK322 Spirit Airlines
14h 50m stop
07:00 — 08:03 Clearwater — Key West
G4971 Allegiant Air
11:27 — 14:43+1day
27h 16m flight time
Find flight
from$134
11:27 — 13:22 Atlanta — Miami
NK3178 Spirit Airlines
1h 43m stop
15:05 — 16:10 Miami — Clearwater
NK322 Spirit Airlines
21h 30m stop
13:40 — 14:43 Clearwater — Key West
G41034 Allegiant Air
13:06 — 14:43+1day
25h 37m flight time
Find flight
from$134
13:06 — 15:01 Atlanta — Miami
NK3378 Spirit Airlines
6h 58m stop
21:59 — 23:06 Miami — Clearwater
NK1954 Spirit Airlines
14h 34m stop
13:40 — 14:43 Clearwater — Key West
G41034 Allegiant Air
14:39 — 15:03+1day
24h 24m flight time
Find flight
from$116
14:39 — 15:09 Atlanta — New Orleans
NK2709 Spirit Airlines
2h 5m stop
17:14 — 19:48 New Orleans — Clearwater
NK2207 Spirit Airlines
18h 12m stop
14:00 — 15:03 Clearwater — Key West
G41071 Allegiant Air
14:45 — 15:03+1day
24h 18m flight time
Find flight
from$94
14:45 — 16:08 Atlanta — Clearwater
NK2468 Spirit Airlines
21h 52m stop
14:00 — 15:03 Clearwater — Key West
G41071 Allegiant Air
15:02 — 08:03+1day
17h 1m flight time
Find flight
from$134
15:02 — 16:51 Atlanta — Baltimore
NK3393 Spirit Airlines
1h 43m stop
18:34 — 21:01 Baltimore — Clearwater
NK3733 Spirit Airlines
9h 59m stop
07:00 — 08:03 Clearwater — Key West
G4971 Allegiant Air
15:22 — 16:45+1day
25h 23m flight time
Find flight
from$113
15:22 — 16:50 Atlanta — Indianapolis
NK2559 Spirit Airlines
21h 14m stop
14:04 — 16:45 Indianapolis — Key West
G41285 Allegiant Air
16:32 — 09:42+1day
17h 10m flight time
Find flight
from$102
16:32 — 18:03 Atlanta — Sanford
NK2460 Spirit Airlines
14h 27m stop
08:30 — 09:42 Sanford — Key West
G42861 Allegiant Air
16:32 — 09:43+1day
17h 11m flight time
Find flight
from$102
16:32 — 18:03 Atlanta — Sanford
NK2460 Spirit Airlines
14h 29m stop
08:32 — 09:43 Sanford — Key West
G42877 Allegiant Air
19:30 — 14:10+1day
18h 40m flight time
Find flight
from$102
19:30 — 21:00 Atlanta — Sanford
NK3135 Spirit Airlines
16h stop
13:00 — 14:10 Sanford — Key West
G41340 Allegiant Air
20:08 — 09:33+1day
13h 25m flight time
Find flight
from$99
20:08 — 21:42 Atlanta — Clearwater
NK1293 Spirit Airlines
10h 48m stop
08:30 — 09:33 Clearwater — Key West
G4971 Allegiant Air
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 and arrival times - local. Updated on October 14, 2025.

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 $ 262 . And the most expensive tickets are offered by United Airlines airline - from $ 1006.

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 $262
    Find
  • UA - United Airlines
    from $209
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  • NK - Spirit Airlines
    from $94
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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
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  • DeKalb-Peachtree-PDK
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  • Hartsfield-Jackson-ATL
    from $94
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  • Beaver Ruin-JAO
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  • Fulton County-FTY
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  • Galleria Heliport-JGL
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  • Technology Park-JAE
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Key West airports

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