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Cheap flights from Atlanta to Key West from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Key West departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:50 pm - 11:20 amATL-EYW
12h 30m1 stop
Multiple Airlines Logo
12:20 pm - 7:48 amEYW-ATL
19h 28m1 stop
$167Multiple Airlines
Find Deal
sáb., dic. 20 - mar., dic. 23
Multiple Airlines Logo
5:15 am - 1:30 pmATL-EYW
8h 15m1 stop
Multiple Airlines Logo
8:55 am - 1:58 pmEYW-ATL
5h 03m1 stop
$168Multiple Airlines
Find Deal
mié., dic. 24 - jue., dic. 25
Multiple Airlines Logo
5:15 am - 1:30 pmATL-EYW
8h 15m1 stop
Multiple Airlines Logo
2:30 pm - 9:40 pmEYW-ATL
7h 10m1 stop
$171Multiple Airlines
Find Deal
lun., dic. 22 - mié., dic. 24
Multiple Airlines Logo
9:57 pm - 11:20 amATL-EYW
13h 23m1 stop
Multiple Airlines Logo
11:45 am - 7:31 amEYW-ATL
19h 46m1 stop
$172Multiple Airlines
Find Deal
mié., dic. 10 - mar., dic. 16
Multiple Airlines Logo
4:17 pm - 11:20 amATL-EYW
19h 03m1 stop
Multiple Airlines Logo
2:30 pm - 9:40 pmEYW-ATL
7h 10m1 stop
$174Multiple Airlines
Find Deal
mié., dic. 17 - mié., dic. 24
Multiple Airlines Logo
10:46 pm - 9:26 amATL-EYW
10h 40m1 stop
Multiple Airlines Logo
12:15 pm - 9:34 pmEYW-ATL
9h 19m1 stop
$175Multiple Airlines
Find Deal
mié., ene. 7 - dom., ene. 11
Spirit Airlines Logo
5:25 am - 1:30 pmATL-EYW
8h 05m1 stop
Spirit Airlines Logo
2:25 pm - 8:49 pmEYW-ATL
6h 24m1 stop
$176Spirit Airlines
Find Deal
vie., ene. 23 - lun., ene. 26
Spirit Airlines Logo
5:25 am - 11:20 amATL-EYW
5h 55m1 stop
Spirit Airlines Logo
12:15 pm - 10:54 pmEYW-ATL
10h 39m1 stop
$177Spirit Airlines
Find Deal
jue., ene. 29 - dom., feb. 1
Multiple Airlines Logo
5:25 am - 11:20 amATL-EYW
5h 55m1 stop
Multiple Airlines Logo
12:15 pm - 9:34 pmEYW-ATL
9h 19m1 stop
$178Multiple Airlines
Find Deal
jue., ene. 8 - dom., ene. 11
Spirit Airlines Logo
5:25 am - 1:30 pmATL-EYW
8h 05m1 stop
Spirit Airlines Logo
2:25 pm - 10:54 pmEYW-ATL
8h 29m1 stop
$179Spirit Airlines
Find Deal
vie., ene. 9 - lun., ene. 12

Spirit Airlines flights from Atlanta to Key West

Our best Spirit Airlines deals on Atlanta to Key West flight tickets
Spirit Airlines
Jan 23
ATL5:25 amAtlanta Hartsfield-Jackson
8h 05m
1 stop
EYW1:30 pmKey West
Jan 26
EYW2:25 pmKey West
6h 24m
1 stop
ATL8:49 pmAtlanta Hartsfield-Jackson
$176
Find similar
Spirit Airlines
Jan 29
ATL5:25 amAtlanta Hartsfield-Jackson
5h 55m
1 stop
EYW11:20 amKey West
Feb 1
EYW12:15 pmKey West
10h 39m
1 stop
ATL10:54 pmAtlanta Hartsfield-Jackson
$177
Find similar
Spirit Airlines
Jan 9
ATL5:25 amAtlanta Hartsfield-Jackson
8h 05m
1 stop
EYW1:30 pmKey West
Jan 12
EYW2:25 pmKey West
8h 29m
1 stop
ATL10:54 pmAtlanta Hartsfield-Jackson
$179
Find similar

American Airlines flights from Atlanta to Key West

Our best American Airlines deals on Atlanta to Key West flight tickets
American Airlines
Nov 25
ATL9:00 amAtlanta Hartsfield-Jackson
14h 50m
1 stop
EYW11:50 pmKey West
Nov 26
EYW7:00 amKey West
16h 12m
1 stop
ATL11:12 pmAtlanta Hartsfield-Jackson
$545
Find similar
American Airlines
Nov 26
ATL3:09 pmAtlanta Hartsfield-Jackson
8h 41m
2 stops
EYW11:50 pmKey West
Dec 1
EYW4:18 pmKey West
7h 31m
2 stops
ATL11:49 pmAtlanta Hartsfield-Jackson
$674
Find similar
American Airlines
Nov 26
ATL9:00 amAtlanta Hartsfield-Jackson
14h 50m
1 stop
EYW11:50 pmKey West
Nov 30
EYW7:53 pmKey West
4h 06m
1 stop
ATL11:59 pmAtlanta Hartsfield-Jackson
$697
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 20, 2025.
Use the filters below to find and compare flights from Atlanta to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

sáb. 12/20

10:50 pm-11:20 am

1 stop12h 30m

Key West

mar. 12/23

12:20 pm-7:48 am

1 stop19h 28m

$167

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 12/24

5:15 am-1:30 pm

1 stop8h 15m

Key West

jue. 12/25

8:55 am-1:58 pm

1 stop5h 03m

$168

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

lun. 12/22

5:15 am-1:30 pm

1 stop8h 15m

Key West

mié. 12/24

2:30 pm-9:40 pm

1 stop7h 10m

$171

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 12/10

9:57 pm-11:20 am

1 stop13h 23m

Key West

mar. 12/16

11:45 am-7:31 am

1 stop19h 46m

$172

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 12/17

4:17 pm-11:20 am

1 stop19h 03m

Key West

mié. 12/24

2:30 pm-9:40 pm

1 stop7h 10m

$174

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 1/7

10:46 pm-9:26 am

1 stop10h 40m

Key West

dom. 1/11

12:15 pm-9:34 pm

1 stop9h 19m

$175

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

vie. 1/23

5:25 am-1:30 pm

1 stop8h 05m

Key West

lun. 1/26

2:25 pm-8:49 pm

1 stop6h 24m

$176

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

jue. 1/29

5:25 am-11:20 am

1 stop5h 55m

Key West

dom. 2/1

12:15 pm-10:54 pm

1 stop10h 39m

$177

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

jue. 1/8

5:25 am-11:20 am

1 stop5h 55m

Key West

dom. 1/11

12:15 pm-9:34 pm

1 stop9h 19m

$178

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

vie. 1/9

5:25 am-1:30 pm

1 stop8h 05m

Key West

lun. 1/12

2:25 pm-10:54 pm

1 stop8h 29m

$179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Atlanta to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Atlanta to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $339. If you are unable to visit Key West during the month of September, then departing from Atlanta during the month August is also very affordable. Most momondo users find prices during this month for around $384.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Atlanta is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $394. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Key West for around $497.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Atlanta to Key West in the afternoon for as low as $446. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $708. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Atlanta Hartsfield-Jackson to Key West flight route?

Fly from Atlanta Hartsfield-Jackson to Key West for the best Atlanta Hartsfield-Jackson - Key West flight prices

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Atlanta for as low as $375 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to Key West flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Atlanta to Key West flights?

You could potentially save up to 33% on your flight if you consider stops on a Atlanta to Key West flight.

How have Atlanta to Key West flight prices changed over time?

As of November 2025, prices for Atlanta to Key West flights are approximately 97% more expensive when compared to flights at the same time last year.

When to book flights from Atlanta to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Key West (ATL to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Key West

Best Price Found

$458

Fastest flight time

1h 49m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from Atlanta in the past 72 hours is $458. The best round-trip flight deal from Atlanta to Key West found on momondo in the last 72 hours is $279.
The fastest flight from Atlanta to Key West takes 1h 49m
Direct flights go from Atlanta to Key West every day.
There is 1 airport near Key West: Key West (EYW)
Search flight deals

  • How far is Atlanta Hartsfield-Jackson to Key West by plane?

    There are 654.1 mi between Atlanta Hartsfield-Jackson and Key West. A reasonable flight in good conditions will take 4h 09m.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Key West Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Key West Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Key West Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Atlanta to Key West?

  • What is the most popular airline from Atlanta to Key West?

Best airlines flying from Atlanta to Key West

Compare and see reviews for airlines that fly from Atlanta to Key West with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $279Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

  • Delta Flights From Atlanta to Key West

    Delta flies from Atlanta to Key West around 26 times per week, with 8,002 momondo users rating the airline 7.9/10. The cheapest Delta deal from Atlanta to Key West in the last 72 hours was $279 (round-trip), much lower than the average airfare cost of $454 for Delta flights on this route.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to Key West. momondo saves you time and could save you money on your trip.

Can I find flights from Atlanta to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Atlanta to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Atlanta to Key West?

Once you have performed a search for Atlanta to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Atlanta to Key West right now. Can momondo alert me if prices change?

Price alerts on flights to Key West from Atlanta are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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