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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 8/16. 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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Find the cheapest flights from Atlanta to Florida Keys

Cheap round-trip flights

Frontier Logo
9:13 pm - 11:09 pmATL-MIA
1h 56mnonstop
Frontier Logo
6:42 pm - 9:01 pmMIA-ATL
2h 19mnonstop
$48Frontier
Find Deal
Sat, Nov 8 - Thu, Nov 13
Frontier Logo
10:13 pm - 12:12 amATL-MIA
1h 59mnonstop
Frontier Logo
5:35 pm - 8:05 pmMIA-ATL
2h 30mnonstop
$49Frontier
Find Deal
Thu, Sep 18 - Sat, Sep 20
Spirit Airlines Logo
3:42 pm - 5:42 pmATL-MIA
2h 00mnonstop
Spirit Airlines Logo
6:00 am - 7:56 amMIA-ATL
1h 56mnonstop
$68Spirit Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
Spirit Airlines Logo
4:41 pm - 6:39 pmATL-MIA
1h 58mnonstop
Spirit Airlines Logo
11:11 am - 1:07 pmMIA-ATL
1h 56mnonstop
$72Spirit Airlines
Find Deal
Sat, Aug 16 - Sun, Aug 17
Logo
4:41 pm - 6:39 pmATL-MIA
1h 58mnonstop
Logo
6:00 am - 8:12 amMIA-ATL
2h 12mnonstop
$82
Find Deal
Sat, Aug 16 - Sun, Aug 17
Logo
9:56 pm - 11:52 pmATL-MIA
1h 56mnonstop
Logo
5:56 pm - 7:59 pmMIA-ATL
2h 03mnonstop
$98
Find Deal
Fri, Nov 14 - Sun, Nov 23
Delta Logo
3:23 pm - 5:15 pmATL-EYW
1h 52mnonstop
Delta Logo
7:00 am - 9:00 amEYW-ATL
2h 00mnonstop
$259Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15
Delta Logo
6:15 pm - 8:12 pmATL-EYW
1h 57mnonstop
Delta Logo
6:20 pm - 8:29 pmEYW-ATL
2h 09mnonstop
$279Delta
Find Deal
Sat, Sep 6 - Wed, Sep 10
American Airlines Logo
10:18 am - 6:59 pmATL-EYW
8h 41m2 stops
American Airlines Logo
7:31 pm - 11:56 pmEYW-ATL
4h 25m1 stop
$284American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 20
American Airlines Logo
10:18 am - 6:59 pmATL-EYW
8h 41m2 stops
American Airlines Logo
11:25 am - 10:57 pmEYW-ATL
11h 32m2 stops
$289American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10

Frontier flights from Atlanta to Florida Keys

Our best Frontier deals on Atlanta to Florida Keys flight tickets
Frontier
Nov 8
ATL9:13 pmAtlanta Hartsfield-Jackson
1h 56m
MIA11:09 pmMiami
Nov 13
MIA6:42 pmMiami
2h 19m
ATL9:01 pmAtlanta Hartsfield-Jackson
$48
Find similar
Frontier
Sep 18
ATL10:13 pmAtlanta Hartsfield-Jackson
1h 59m
MIA12:12 amMiami
Sep 20
MIA5:35 pmMiami
2h 30m
ATL8:05 pmAtlanta Hartsfield-Jackson
$49
Find similar
Frontier
Oct 9
ATL9:56 pmAtlanta Hartsfield-Jackson
1h 56m
MIA11:52 pmMiami
Oct 12
MIA5:45 amMiami
2h 09m
ATL7:54 amAtlanta Hartsfield-Jackson
$53
Find similar

Spirit Airlines flights from Atlanta to Florida Keys

Our best Spirit Airlines deals on Atlanta to Florida Keys flight tickets
Spirit Airlines
Sep 20
ATL3:42 pmAtlanta Hartsfield-Jackson
2h 00m
MIA5:42 pmMiami
Sep 26
MIA6:00 amMiami
1h 56m
ATL7:56 amAtlanta Hartsfield-Jackson
$68
Find similar
Spirit Airlines
Aug 16
ATL4:41 pmAtlanta Hartsfield-Jackson
1h 58m
MIA6:39 pmMiami
Aug 17
MIA11:11 amMiami
1h 56m
ATL1:07 pmAtlanta Hartsfield-Jackson
$72
Find similar
Spirit Airlines
Aug 16
ATL4:41 pmAtlanta Hartsfield-Jackson
1h 58m
MIA6:39 pmMiami
Aug 23
MIA1:45 pmMiami
2h 01m
ATL3:46 pmAtlanta Hartsfield-Jackson
$75
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 July 31, 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

Sat 11/8

9:13 pm-11:09 pm

Nonstop1h 56m

Miami

Thu 11/13

6:42 pm-9:01 pm

Nonstop2h 19m

$48

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 9/18

10:13 pm-12:12 am

Nonstop1h 59m

Miami

Sat 9/20

5:35 pm-8:05 pm

Nonstop2h 30m

$49

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 9/20

3:42 pm-5:42 pm

Nonstop2h 00m

Miami

Fri 9/26

6:00 am-7:56 am

Nonstop1h 56m

$68

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 8/16

4:41 pm-6:39 pm

Nonstop1h 58m

Miami

Sun 8/17

11:11 am-1:07 pm

Nonstop1h 56m

$72

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 8/16

4:41 pm-6:39 pm

Nonstop1h 58m

Miami

Sun 8/17

6:00 am-8:12 am

Nonstop2h 12m

$82

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 11/14

9:56 pm-11:52 pm

Nonstop1h 56m

Miami

Sun 11/23

5:56 pm-7:59 pm

Nonstop2h 03m

$98

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 9/11

3:23 pm-5:15 pm

Nonstop1h 52m

Key West

Mon 9/15

7:00 am-9:00 am

Nonstop2h 00m

$259

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 9/6

6:15 pm-8:12 pm

Nonstop1h 57m

Key West

Wed 9/10

6:20 pm-8:29 pm

Nonstop2h 09m

$279

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 9/6

10:18 am-6:59 pm

2 stops8h 41m

Key West

Sat 9/20

7:31 pm-11:56 pm

1 stop4h 25m

$284

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Sat 9/6

10:18 am-6:59 pm

2 stops8h 41m

Key West

Wed 9/10

11:25 am-10:57 pm

2 stops11h 32m

$289

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 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 October is another great option to travel to Florida Keys, with average flight prices from Atlanta averaging around $163.

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 Sunday when prices can be found for as low as $276. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $417.

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 $201. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $418.

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 $184 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 $150 on momondo.

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

There are 3 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

Best Price Found

$29

Fastest flight time

1h 51m

Direct flights

Every day

Airports in Florida Keys

2 airports
The best one-way flight to Florida Keys from Atlanta in the past 72 hours is $29. The best round-trip flight deal from Atlanta to Florida Keys found on momondo in the last 72 hours is $48.
The fastest flight from Atlanta to Florida Keys takes 1h 51m
Direct flights go from Atlanta to Florida Keys every day.
There are 2 airports near Florida Keys: 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
American AirlinesPriceFrom $233Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
8.0
7,981 reviews
Search Delta 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.

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Find better results for your trip to Florida Keys

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