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Cheap flights from Atlanta to Key West from $73

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 12/24. 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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Spirit Airlines Logo
5:25 am - 11:20 amATL-EYW
5h 55m1 stop
Spirit Airlines Logo
2:25 pm - 8:49 pmEYW-ATL
6h 24m1 stop
$126Spirit Airlines
Find Deal
Sun, Feb 1 - Mon, Feb 9
Spirit Airlines Logo
5:25 am - 11:20 amATL-EYW
5h 55m1 stop
Spirit Airlines Logo
12:15 pm - 7:16 pmEYW-ATL
7h 01m1 stop
$145Spirit Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Spirit Airlines Logo
9:57 pm - 11:20 amATL-EYW
13h 23m1 stop
Spirit Airlines Logo
12:20 pm - 8:52 pmEYW-ATL
8h 32m1 stop
$159Spirit Airlines
Find Deal
Sat, Dec 20 - Tue, Dec 23
Multiple Airlines Logo
9:57 pm - 11:20 amATL-EYW
13h 23m1 stop
Multiple Airlines Logo
2:30 pm - 9:35 pmEYW-ATL
7h 05m1 stop
$161Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Spirit Airlines Logo
9:57 pm - 11:20 amATL-EYW
13h 23m1 stop
Spirit Airlines Logo
2:30 pm - 8:52 pmEYW-ATL
6h 22m1 stop
$162Spirit Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Spirit Airlines Logo
5:21 am - 1:30 pmATL-EYW
8h 09m1 stop
Spirit Airlines Logo
2:30 pm - 12:22 amEYW-ATL
9h 52m1 stop
$165Spirit Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29
Multiple Airlines Logo
5:15 am - 11:20 amATL-EYW
6h 05m1 stop
Multiple Airlines Logo
2:30 pm - 9:40 pmEYW-ATL
7h 10m1 stop
$170Multiple Airlines
Find Deal
Thu, Dec 25 - Wed, Dec 31
Multiple Airlines Logo
9:57 pm - 7:08 pmATL-EYW
21h 11m2 stops
Multiple Airlines Logo
2:30 pm - 11:04 pmEYW-ATL
8h 34m1 stop
$172Multiple Airlines
Find Deal
Tue, Dec 9 - Sat, Dec 13
Spirit Airlines Logo
5:25 am - 11:20 amATL-EYW
5h 55m1 stop
Spirit Airlines Logo
12:15 pm - 7:16 pmEYW-ATL
7h 01m1 stop
$173Spirit Airlines
Find Deal
Thu, Jan 29 - Sun, Feb 1
Multiple Airlines Logo
9:57 pm - 1:30 pmATL-EYW
15h 33m1 stop
Multiple Airlines Logo
12:20 pm - 9:11 pmEYW-ATL
8h 51m1 stop
$174Multiple Airlines
Find Deal
Fri, Jan 2 - Tue, Jan 6

Spirit Airlines flights from Atlanta to Key West

Our best Spirit Airlines deals on Atlanta to Key West flight tickets
Spirit Airlines
Feb 1
ATL5:25 amAtlanta Hartsfield-Jackson
5h 55m
1 stop
EYW11:20 amKey West
Feb 9
EYW2:25 pmKey West
6h 24m
1 stop
ATL8:49 pmAtlanta Hartsfield-Jackson
$126
Find similar
Spirit Airlines
Jan 8
ATL5:25 amAtlanta Hartsfield-Jackson
5h 55m
1 stop
EYW11:20 amKey West
Jan 11
EYW12:15 pmKey West
7h 01m
1 stop
ATL7:16 pmAtlanta Hartsfield-Jackson
$145
Find similar
Spirit Airlines
Dec 20
ATL9:57 pmAtlanta Hartsfield-Jackson
13h 23m
1 stop
EYW11:20 amKey West
Dec 23
EYW12:20 pmKey West
8h 32m
1 stop
ATL8:52 pmAtlanta Hartsfield-Jackson
$159
Find similar

United Airlines flights from Atlanta to Key West

Our best United Airlines deals on Atlanta to Key West flight tickets
United Airlines
Dec 8
ATL10:25 amAtlanta Hartsfield-Jackson
27h 26m
3 stops
EYW1:51 pmKey West
Dec 13
EYW2:42 pmKey West
9h 20m
1 stop
ATL12:02 amAtlanta Hartsfield-Jackson
$621
Find similar
United Airlines
Dec 8
ATL10:25 amAtlanta Hartsfield-Jackson
27h 26m
3 stops
EYW1:51 pmKey West
Dec 13
EYW2:42 pmKey West
9h 20m
1 stop
ATL12:02 amAtlanta Hartsfield-Jackson
$626
Find similar
United Airlines
Dec 8
ATL10:25 amAtlanta Hartsfield-Jackson
27h 26m
3 stops
EYW1:51 pmKey West
Dec 13
EYW2:42 pmKey West
20h 18m
2 stops
ATL11:00 amAtlanta Hartsfield-Jackson
$715
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 November 26, 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

Sun 2/1

5:25 am-11:20 am

1 stop5h 55m

Key West

Mon 2/9

2:25 pm-8:49 pm

1 stop6h 24m

$126

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 1/8

5:25 am-11:20 am

1 stop5h 55m

Key West

Sun 1/11

12:15 pm-7:16 pm

1 stop7h 01m

$145

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 12/20

9:57 pm-11:20 am

1 stop13h 23m

Key West

Tue 12/23

12:20 pm-8:52 pm

1 stop8h 32m

$159

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 12/13

9:57 pm-11:20 am

1 stop13h 23m

Key West

Sat 12/20

2:30 pm-9:35 pm

1 stop7h 05m

$161

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 12/13

9:57 pm-11:20 am

1 stop13h 23m

Key West

Sat 12/20

2:30 pm-8:52 pm

1 stop6h 22m

$162

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Wed 12/24

5:21 am-1:30 pm

1 stop8h 09m

Key West

Mon 12/29

2:30 pm-12:22 am

1 stop9h 52m

$165

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 12/25

5:15 am-11:20 am

1 stop6h 05m

Key West

Wed 12/31

2:30 pm-9:40 pm

1 stop7h 10m

$170

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Tue 12/9

9:57 pm-7:08 pm

2 stops21h 11m

Key West

Sat 12/13

2:30 pm-11:04 pm

1 stop8h 34m

$172

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 1/29

5:25 am-11:20 am

1 stop5h 55m

Key West

Sun 2/1

12:15 pm-7:16 pm

1 stop7h 01m

$173

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Fri 1/2

9:57 pm-1:30 pm

1 stop15h 33m

Key West

Tue 1/6

12:20 pm-9:11 pm

1 stop8h 51m

$174

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 $377. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, 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 $450 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 34% 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 34% 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

$378

Fastest flight time

1h 50m

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 $378. 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 50m
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 29m.

  • 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
7,999 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

  • Delta Flights From Atlanta to Key West

    Delta flies from Atlanta to Key West around 23 times per week, with 7,999 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 $449 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.
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