Cheap Flights from Atlanta, GA to Key West, FL from $78

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On Cheapflightsplus.com you will find 139 connecting flights from Atlanta to Key West. You can compare airfare deals from 3 airlines and multiple travel sites from $78, 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: $78 (one-way), $134 (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 $78. Take a look at the list of flights with layovers from Atlanta to Key West from $78. There’re no direct flights. The fastest connecting flight – 5h 37m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $78 Find flight	20:08 Atlanta Hartsfield-Jackson	09:33+1 день Key West Key West Int.	13h 25m layover 10h 48m - Clearwater	Spirit Airlines	NK1293 G4971
from $78 Find flight	08:40 Atlanta Hartsfield-Jackson	08:03+1 день Key West Key West Int.	23h 23m layover 20h 53m - Clearwater	Spirit Airlines	NK839 G4971
from $89 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 $105 Find flight	19:30 Atlanta Hartsfield-Jackson	17:01+1 день Key West Key West Int.	21h 31m layover 18h 51m - Sanford	Spirit Airlines	NK3135 G41349
from $131 Find flight	16:32 Atlanta Hartsfield-Jackson	13:07+1 день Key West Key West Int.	20h 35m layover 17h 49m - Orlando	Spirit Airlines	NK2460 MX162
from $92 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 $92 Find flight	05:25 Atlanta Hartsfield-Jackson	08:03+1 день Key West Key West Int.	26h 38m layover 7h 46m - Miami 14h 50m - Clearwater	Spirit Airlines	NK3176 NK322 G4971
from $105 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
from $105 Find flight	13:06 Atlanta Hartsfield-Jackson	14:43+1 день Key West Key West Int.	25h 37m layover 6h 58m - Miami 14h 34m - Clearwater	Spirit Airlines	NK3378 NK1954 G41034
from $105 Find flight	05:25 Atlanta Hartsfield-Jackson	14:43+1 день Key West Key West Int.	33h 18m layover 7h 46m - Miami 21h 30m - Clearwater	Spirit Airlines	NK3176 NK322 G41034
from $108 Find flight	15:17 Atlanta Hartsfield-Jackson	14:10+1 день Key West Key West Int.	22h 53m layover 5h 16m - New Orleans 13h 1m - Sanford	Spirit Airlines	NK1105 NK433 G41340
from $120 Find flight	13:06 Atlanta Hartsfield-Jackson	09:12+1 день Key West Key West Int.	20h 6m layover 6h 58m - Miami 9h 4m - Clearwater	Spirit Airlines	NK3378 NK1954 G4973
from $120 Find flight	05:25 Atlanta Hartsfield-Jackson	09:12+1 день Key West Key West Int.	27h 47m layover 7h 46m - Miami 16h 0m - Clearwater	Spirit Airlines	NK3176 NK322 G4973
from $121 Find flight	05:25 Atlanta Hartsfield-Jackson	15:26+1 день Key West Key West Int.	34h 1m layover 13h 51m - Miami 14h 16m - Fletcher	Spirit Airlines	NK3176 G4248 G4975
from $123 Find flight	11:09 Atlanta Hartsfield-Jackson	15:08+1 день Key West Key West Int.	27h 59m layover 3h 21m - Louisville 20h 13m - Clearwater	Spirit Airlines	NK2458 G41099 G41034
from $130 Find flight	15:02 Atlanta Hartsfield-Jackson	14:43+1 день Key West Key West Int.	23h 41m layover 1h 43m - Baltimore 16h 39m - Clearwater	Spirit Airlines	NK3393 NK3733 G41034

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 03, 2025

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

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	Flight Details	Flight Duration	Price
07:30 — 13:07	07:30 — 09:02 NK3376 Spirit Airlines Atlanta — Orlando 2h 50m stop 11:52 — 13:07 MX162 Mexicana Orlando — Key West	5h 37m including layover	Find flight from$141
07:30 — 17:01	07:30 — 09:02 NK3376 Spirit Airlines Atlanta — Sanford 6h 49m stop 15:51 — 17:01 G41349 Allegiant Air Sanford — Key West	9h 31m including layover	Find flight from$173
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$78
08:40 — 09:22 +1 day	08:40 — 10:07 NK839 Spirit Airlines Atlanta — Tampa 22h 8m stop 08:15 — 09:22 MX160 Mexicana Tampa — Key West	24h 42m including layover	Find flight from$131
10:49 — 13:07 +1 day	10:49 — 12:18 NK1368 Spirit Airlines Atlanta — Orlando 23h 34m stop 11:52 — 13:07 MX162 Mexicana Orlando — Key West	26h 18m including layover	Find flight from$140
12:15 — 12:41 +1 day	12:15 — 14:37 UA631 United Airlines Atlanta — Newark 18h 52m stop 09:29 — 12:41 UA1822 United Airlines Newark — Key West	24h 26m including layover	Find flight from$324
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$89
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$80
16:32 — 13:07 +1 day	14:47 — 16:13 NK2460 Spirit Airlines Atlanta — Orlando 17h 49m stop 12:02 — 13:17 MX162 Mexicana Orlando — Key West	20h 35m including layover	Find flight from$131
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$80
19:30 — 17:01 +1 day	19:30 — 21:00 NK3135 Spirit Airlines Atlanta — Sanford 18h 51m stop 15:51 — 17:01 G41349 Allegiant Air Sanford — Key West	21h 31m including layover	Find flight from$105
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$78
20:08 — 09:22 +1 day	20:08 — 21:42 NK1293 Spirit Airlines Atlanta — Tampa 10h 33m stop 08:15 — 09:22 MX160 Mexicana Tampa — Key West	13h 14m including layover	Find flight from$128
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$92
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$105
06:51 — 16:36 +1 day	06:51 — 08:59 NK1213 Spirit Airlines Atlanta — Newark 13h 6m stop 22:05 — 23:29 NK1788 Spirit Airlines Newark — Pittsburgh 14h 25m stop 13:54 — 16:36 G41055 Allegiant Air Pittsburgh — Key West	33h 45m including layover	Find flight from$146
06:51 — 16:36 +1 day	06:51 — 08:59 NK1213 Spirit Airlines Atlanta — Newark 13h 6m stop 22:05 — 23:29 NK1788 Spirit Airlines Newark — Pittsburgh 14h 25m stop 13:54 — 16:36 G4991 Allegiant Air Pittsburgh — Key West	33h 45m including layover	Find flight from$165
09:53 — 09:43 +1 day	09:53 — 11:45 NK2345 Spirit Airlines Atlanta — Miami 7h 30m stop 19:15 — 20:24 NK2008 Spirit Airlines Miami — Sanford 12h 8m stop 08:32 — 09:43 G42877 Allegiant Air Sanford — Key West	23h 50m including layover	Find flight from$136
09:53 — 15:08 +1 day	09:53 — 11:45 NK2345 Spirit Airlines Atlanta — Miami 6h 43m stop 18:28 — 19:27 NK2233 Spirit Airlines Miami — Clearwater 18h 38m stop 14:05 — 15:08 G41034 Allegiant Air Clearwater — Key West	29h 15m including layover	Find flight from$162
10:41 — 16:45 +1 day	10:41 — 12:53 NK2216 Spirit Airlines Atlanta — Newark 3h 42m stop 16:35 — 18:52 NK2112 Spirit Airlines Newark — Indianapolis 19h 12m stop 14:04 — 16:45 G41285 Allegiant Air Indianapolis — Key West	30h 4m including layover	Find flight from$145
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$92
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$105
12:09 — 09:33 +1 day	12:09 — 13:45 NK1555 Spirit Airlines Atlanta — Baltimore 3h 50m stop 17:35 — 20:02 NK1595 Spirit Airlines Baltimore — Clearwater 12h 28m stop 08:30 — 09:33 G4971 Allegiant Air Clearwater — Key West	21h 24m including layover	Find flight from$153
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$105
13:06 — 09:12 +1 day	13:06 — 15:01 NK3378 Spirit Airlines Atlanta — Miami 6h 58m stop 21:59 — 23:06 NK1954 Spirit Airlines Miami — Clearwater 9h 4m stop 08:10 — 09:12 G4973 Allegiant Air Clearwater — Key West	20h 6m including layover	Find flight from$120
14:13 — 15:08 +1 day	14:13 — 16:03 NK2561 Spirit Airlines Atlanta — Miami 2h 25m stop 18:28 — 19:27 NK2233 Spirit Airlines Miami — Clearwater 18h 38m stop 14:05 — 15:08 G41034 Allegiant Air Clearwater — Key West	24h 55m including layover	Find flight from$162
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$105
22:45 — 13:07 +1 day	22:45 — 00:38 NK2875 Spirit Airlines Atlanta — Miami 5h 37m stop 06:15 — 07:18 NK2195 Spirit Airlines Miami — Orlando 4h 34m stop 12:02 — 13:17 MX162 Mexicana Orlando — Key West	14h 22m including layover	Find flight from$159

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on July 3, 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 26m.

The fastest flight 5h 37m
Average flight time 24h 26m
The earliest flight 05:12
The latest flight 22:45
Distance 648 ml

The cheapest months to travel to Key West are july (from 104 $), august (from 104 $), october (from 161 $).

The most expensive months are november (from 686 $), september (from 474 $), may (from 221 $).

What is the lowest airfare Atlanta to Key West?

The cheapest plane ticket found by our users is $78. This airfare is for economy class on one-way NK1293 flight by Spirit Airlines for July 13, 2025 which leaves Hartsfield-Jackson in Atlanta at 20:08 am and arrives at Key West Key West Int. at 09:33.

Economy class

$78

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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 - 1 departures per week at the price of from $ 281 . And the most expensive tickets are offered by United Airlines airline - from $ 442.

Direct flights

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

Connecting Flights

There are 139 flights with layovers on the route. The fastest connecting flight is NK3376 by Spirit Airlines takes 5h 37m and the cheapest is NK1293 by Spirit Airlines for $78.

SY - Sun Country Airlines

from $281

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UA - United Airlines

from $210

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NK - Spirit Airlines

from $78

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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 $78
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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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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.

Atlanta — Miami

from $77

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from $67

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Atlanta — Denver

from $55

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Atlanta — Washington D.C.

from $58

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Atlanta — Tampa

from $62

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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.

Atlanta — Cancun

from $67

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Atlanta — London

from $73

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Atlanta — Paris

from $54

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Atlanta — Toronto

from $73

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Atlanta — Tokyo

from $65

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Atlanta — Hyderabad

from $71

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Atlanta — Rome

from $75

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Atlanta — Punta Cana

from $70

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Atlanta — Mumbai

from $70

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Atlanta — San Juan

from $74

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How to book a plane ticket yourself?

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