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Cheap flights from Atlanta to Florida Keys from $29

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 Florida Keys departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Atlanta to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:05 pm - 9:09 pm
ATL
-
MIA
2h 04mnonstop
Frontier Logo
5:07 pm - 7:30 pm
MIA
-
ATL
2h 23mnonstop
$58Frontier
Mon, Jan 5 - Wed, Jan 7
Frontier Logo
8:43 am - 10:48 am
ATL
-
MIA
2h 05mnonstop
Frontier Logo
5:45 pm - 8:06 pm
MIA
-
ATL
2h 21mnonstop
$59Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
2:53 pm - 4:51 pm
ATL
-
MIA
1h 58mnonstop
Frontier Logo
7:09 pm - 9:45 pm
MIA
-
ATL
2h 36mnonstop
$60Frontier
Sun, Mar 1 - Sun, Mar 1
Spirit Airlines Logo
9:57 am - 11:56 am
ATL
-
MIA
1h 59mnonstop
Spirit Airlines Logo
7:00 am - 9:02 am
MIA
-
ATL
2h 02mnonstop
$61Spirit Airlines
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
12:33 pm - 2:34 pm
ATL
-
MIA
2h 01mnonstop
Multiple Airlines Logo
7:00 am - 9:02 am
MIA
-
ATL
2h 02mnonstop
$62Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
9:57 am - 11:56 am
ATL
-
MIA
1h 59mnonstop
Spirit Airlines Logo
7:00 am - 9:02 am
MIA
-
ATL
2h 02mnonstop
$63Spirit Airlines
Fri, Jan 9 - Sat, Jan 17
Multiple Airlines Logo
11:01 am - 1:06 pm
ATL
-
MIA
2h 05mnonstop
Multiple Airlines Logo
5:20 am - 7:33 am
MIA
-
ATL
2h 13mnonstop
$64Multiple Airlines
Sat, Jan 3 - Wed, Jan 7
Frontier Logo
12:33 pm - 2:34 pm
ATL
-
MIA
2h 01mnonstop
Frontier Logo
7:09 pm - 9:40 pm
MIA
-
ATL
2h 31mnonstop
$65Frontier
Fri, Jan 9 - Sat, Jan 10
Frontier Logo
10:45 pm - 12:42 am
ATL
-
MIA
1h 57mnonstop
Frontier Logo
5:30 am - 7:44 am
MIA
-
ATL
2h 14mnonstop
$66Frontier
Sun, Jan 18 - Sun, Jan 25
Spirit Airlines Logo
5:25 am - 11:56 am
ATL
-
EYW
6h 31m1 stop
Spirit Airlines Logo
12:51 pm - 8:49 pm
EYW
-
ATL
7h 58m1 stop
$129Spirit Airlines
Thu, Jan 22 - Thu, Jan 29

Frontier flights from Atlanta to Florida Keys

Our best Frontier deals on Atlanta to Florida Keys flight tickets
Frontier
Jan 18
ATL10:45 pmAtlanta Hartsfield-Jackson
1h 57m
MIA12:42 amMiami
Jan 21
MIA2:57 pmMiami
2h 13m
ATL5:10 pmAtlanta Hartsfield-Jackson
$58
Find similar
Frontier
Jan 8
ATL8:43 amAtlanta Hartsfield-Jackson
2h 05m
MIA10:48 amMiami
Jan 14
MIA5:45 pmMiami
2h 21m
ATL8:06 pmAtlanta Hartsfield-Jackson
$59
Find similar
Frontier
Mar 1
ATL2:53 pmAtlanta Hartsfield-Jackson
1h 58m
MIA4:51 pmMiami
Mar 1
MIA7:09 pmMiami
2h 36m
ATL9:45 pmAtlanta Hartsfield-Jackson
$60
Find similar

Spirit Airlines flights from Atlanta to Florida Keys

Our best Spirit Airlines deals on Atlanta to Florida Keys flight tickets
Spirit Airlines
Jan 3
ATL11:01 amAtlanta Hartsfield-Jackson
2h 05m
MIA1:06 pmMiami
Jan 10
MIA7:00 amMiami
2h 02m
ATL9:02 amAtlanta Hartsfield-Jackson
$61
Find similar
Spirit Airlines
Jan 3
ATL11:01 amAtlanta Hartsfield-Jackson
2h 05m
MIA1:06 pmMiami
Jan 10
MIA7:00 amMiami
2h 02m
ATL9:02 amAtlanta Hartsfield-Jackson
$63
Find similar
Spirit Airlines
Jan 11
ATL9:57 amAtlanta Hartsfield-Jackson
1h 59m
MIA11:56 amMiami
Jan 16
MIA8:51 pmMiami
11h 10m
1 stop
ATL8:01 amAtlanta Hartsfield-Jackson
$69
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Florida Keys 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 December 23, 2025.
Use the filters below to find and compare flights from Atlanta to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Mon 1/5

7:05 pm-9:09 pm

Nonstop2h 04m

Miami

Wed 1/7

5:07 pm-7:30 pm

Nonstop2h 23m

$58

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 1/8

8:43 am-10:48 am

Nonstop2h 05m

Miami

Wed 1/14

5:45 pm-8:06 pm

Nonstop2h 21m

$59

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sun 3/1

2:53 pm-4:51 pm

Nonstop1h 58m

Miami

Sun 3/1

7:09 pm-9:45 pm

Nonstop2h 36m

$60

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 1/23

9:57 am-11:56 am

Nonstop1h 59m

Miami

Tue 1/27

7:00 am-9:02 am

Nonstop2h 02m

$61

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 1/9

12:33 pm-2:34 pm

Nonstop2h 01m

Miami

Mon 1/12

7:00 am-9:02 am

Nonstop2h 02m

$62

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 1/9

9:57 am-11:56 am

Nonstop1h 59m

Miami

Sat 1/17

7:00 am-9:02 am

Nonstop2h 02m

$63

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 1/3

11:01 am-1:06 pm

Nonstop2h 05m

Miami

Wed 1/7

5:20 am-7:33 am

Nonstop2h 13m

$64

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 1/9

12:33 pm-2:34 pm

Nonstop2h 01m

Miami

Sat 1/10

7:09 pm-9:40 pm

Nonstop2h 31m

$65

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sun 1/18

10:45 pm-12:42 am

Nonstop1h 57m

Miami

Sun 1/25

5:30 am-7:44 am

Nonstop2h 14m

$66

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 1/22

5:25 am-11:56 am

1 stop6h 31m

Key West

Thu 1/29

12:51 pm-8:49 pm

1 stop7h 58m

$129

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Atlanta to Florida Keys

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 Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Atlanta averaging around $160.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Atlanta to Florida Keys is on a Saturday when prices can be found for as low as $265. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $390.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Atlanta to Florida Keys in the evening for as low as $210. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $322.

What is the cheapest Atlanta Hartsfield-Jackson to Florida Keys flight route?

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

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $181 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Atlanta for as low as $142 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to Florida Keys flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Florida Keys 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 Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Atlanta to Florida Keys.

Cheap Atlanta to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Florida Keys

Fastest flight time

1h 46m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Atlanta to Florida Keys takes 1h 46m
Direct flights go from Atlanta to Florida Keys every day.
There are 3 airports in Florida Keys. From Atlanta there are direct flights to Key West (EYW), Miami (MIA).
Search flight deals

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

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Florida Keys were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Florida Keys.

  • What documentation or ID do you need to fly to Florida Keys?

    The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Atlanta to Florida Keys?

Best airlines flying from Atlanta to Florida Keys

Compare and see reviews for airlines that fly from Atlanta to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $181Free CancellationRating
6.3
8,196 reviews
Search Spirit Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Florida Keys?

It is quick and easy to find Atlanta to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

Can I find flights from Atlanta to Florida Keys with flexible booking policies on momondo?

All flight searches from Atlanta to Florida Keys on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Atlanta to Florida Keys?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Atlanta to Florida Keys.

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

Yes. momondo can track prices for Atlanta to Florida Keys flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Florida Keys trip

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Thu 1/22
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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo
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