What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Florida Keys?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Florida Keys

How many flights depart from Atlanta to Florida Keys on average per week?

251 flights are operational weekly from Atlanta to Florida Keys as of October 2025. The most popular departure day for this route is Thu, with 31% of flights per week taking off on this day.

How many flights depart from Atlanta to Florida Keys on average per day?

35 flights are operational daily from Atlanta to Florida Keys as of October 2025. The most popular departure time for this route is 6:00PM, with 42% of flights per day taking off in the evening.

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?

There are 5 operators available for flights from Atlanta Hartsfield-Jackson Airport to Florida Keys as of October 2025.

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.

$35 Cheap Flights from Atlanta to Florida Keys in 2025/26

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 9:58 amATL-MIA

1h 58mnonstop

12:17 pm - 11:52 pmMIA-ATL

11h 35m1 stop

$71Spirit Airlines

Find Deal

Sat, Nov 15 - Tue, Nov 18

10:38 pm - 12:34 amATL-MIA

1h 56mnonstop

6:21 pm - 8:35 pmMIA-ATL

2h 14mnonstop

$72Frontier

Find Deal

Mon, Nov 10 - Thu, Nov 20

9:23 am - 11:23 amATL-MIA

2h 00mnonstop

5:30 am - 7:44 amMIA-ATL

2h 14mnonstop

$73Multiple Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

9:40 pm - 11:40 pmATL-MIA

2h 00mnonstop

5:58 pm - 8:21 pmMIA-ATL

2h 23mnonstop

$74Frontier

Find Deal

Fri, Nov 28 - Tue, Dec 2

8:53 am - 10:58 amATL-MIA

2h 05mnonstop

5:35 am - 7:48 amMIA-ATL

2h 13mnonstop

$75Frontier

Find Deal

Thu, Feb 12 - Mon, Feb 16

9:40 pm - 11:40 pmATL-MIA

2h 00mnonstop

5:30 am - 7:44 amMIA-ATL

2h 14mnonstop

$76Frontier

Find Deal

Thu, Nov 20 - Fri, Nov 28

10:38 pm - 12:34 amATL-MIA

1h 56mnonstop

5:27 pm - 11:52 pmMIA-ATL

6h 25m1 stop

$77Multiple Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

10:46 pm - 12:47 amATL-MIA

2h 01mnonstop

10:19 pm - 12:34 amMIA-ATL

2h 15mnonstop

$78Frontier

Find Deal

Wed, Dec 24 - Mon, Jan 5

9:07 am - 11:12 amATL-MIA

2h 05mnonstop

6:05 am - 8:02 amMIA-ATL

1h 57mnonstop

$79Spirit Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:00 pm - 9:00 pmATL-MIA

2h 00mnonstop

9:59 pm - 11:59 pmMIA-ATL

2h 00mnonstop

$116American Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

Spirit Airlines flights from Atlanta to Florida Keys

Our best Spirit Airlines deals on Atlanta to Florida Keys flight tickets

Spirit Airlines

Nov 15

ATL8:00 amAtlanta Hartsfield-Jackson

1h 58m

MIA9:58 amMiami

Nov 18

MIA12:17 pmMiami

11h 35m

1 stop

ATL11:52 pmAtlanta Hartsfield-Jackson

$71

Find similar

Spirit Airlines

Dec 4

ATL9:07 amAtlanta Hartsfield-Jackson

2h 05m

MIA11:12 amMiami

Dec 8

MIA6:05 amMiami

1h 57m

ATL8:02 amAtlanta Hartsfield-Jackson

$79

Find similar

Spirit Airlines

Nov 9

ATL9:00 amAtlanta Hartsfield-Jackson

2h 00m

MIA11:00 amMiami

Nov 15

MIA5:27 pmMiami

6h 25m

1 stop

ATL11:52 pmAtlanta Hartsfield-Jackson

$86

Find similar

Frontier flights from Atlanta to Florida Keys

Our best Frontier deals on Atlanta to Florida Keys flight tickets

Frontier

Nov 10

ATL10:38 pmAtlanta Hartsfield-Jackson

1h 56m

MIA12:34 amMiami

Nov 20

MIA6:21 pmMiami

2h 14m

ATL8:35 pmAtlanta Hartsfield-Jackson

$72

Find similar

Frontier

Nov 28

ATL9:40 pmAtlanta Hartsfield-Jackson

2h 00m

MIA11:40 pmMiami

Dec 2

MIA5:58 pmMiami

2h 23m

ATL8:21 pmAtlanta Hartsfield-Jackson

$74

Find similar

Frontier

Feb 12

ATL8:53 amAtlanta Hartsfield-Jackson

2h 05m

MIA10:58 amMiami

Feb 16

MIA5:35 amMiami

2h 13m

ATL7:48 amAtlanta Hartsfield-Jackson

$75

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 11/15

8:00 am-9:58 am

Nonstop1h 58m

Miami

Tue 11/18

12:17 pm-11:52 pm

1 stop11h 35m

$71

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Mon 11/10

10:38 pm-12:34 am

Nonstop1h 56m

Miami

Thu 11/20

6:21 pm-8:35 pm

Nonstop2h 14m

$72

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 11/20

9:23 am-11:23 am

Nonstop2h 00m

Miami

Sun 11/23

5:30 am-7:44 am

Nonstop2h 14m

$73

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 11/28

9:40 pm-11:40 pm

Nonstop2h 00m

Miami

Tue 12/2

5:58 pm-8:21 pm

Nonstop2h 23m

$74

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 2/12

8:53 am-10:58 am

Nonstop2h 05m

Miami

Mon 2/16

5:35 am-7:48 am

Nonstop2h 13m

$75

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 11/20

9:40 pm-11:40 pm

Nonstop2h 00m

Miami

Fri 11/28

5:30 am-7:44 am

Nonstop2h 14m

$76

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 11/14

10:38 pm-12:34 am

Nonstop1h 56m

Miami

Tue 11/18

5:27 pm-11:52 pm

1 stop6h 25m

$77

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Wed 12/24

10:46 pm-12:47 am

Nonstop2h 01m

Miami

Mon 1/5

10:19 pm-12:34 am

Nonstop2h 15m

$78

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 12/4

9:07 am-11:12 am

Nonstop2h 05m

Miami

Mon 12/8

6:05 am-8:02 am

Nonstop1h 57m

$79

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Thu 11/13

7:00 pm-9:00 pm

Nonstop2h 00m

Miami

Mon 11/17

9:59 pm-11:59 pm

Nonstop2h 00m

$116

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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

Prices

Airlines

Other information

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 $177.

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 $271. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $389.

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 $208. 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 $347.

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 $187 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 $149 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 48m
Direct flights	Every day
Airports in Florida Keys	2 airports

The fastest flight from Atlanta to Florida Keys takes 1h 48m

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?
There are 5 operators available for flights from Atlanta Hartsfield-Jackson Airport to Florida Keys as of October 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Atlanta to Florida Keys is Airbus A321-100/200, representing 15.51% of all bookings. The subsequent popular models are Airbus A321neo at 15.21%, Airbus A320neo at 11.27%, and Airbus A320-100/200 at 6.94%.

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
Delta	PriceFrom $279	Free Cancellation	Rating 7.9 7,998 reviews		Search Delta flights
American Airlines	PriceFrom $317	Free Cancellation	Rating 7.2 11,035 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

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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Sat 11/29

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Popular cities in Florida Keys

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $47

Flights to Miamifrom $47

Flights to Chicagofrom $49

Flights to Orlandofrom $47

Flights to Las Vegasfrom $39

Flights to San Franciscofrom $39

Flights to Washington, D.C.from $40

Flights to Bostonfrom $60

Flights to Atlantafrom $47

Flights to Dallasfrom $49

Flights to Seattlefrom $53

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Jacksonville

Flights from Atlanta Hartsfield-Jackson to Palm Beach Intl

Flights from Atlanta Hartsfield-Jackson to Tampa

Flights from Atlanta Hartsfield-Jackson to Raleigh-Durham

Flights from Atlanta Hartsfield-Jackson to Detroit Metropolitan Wayne County

Flights from Atlanta Hartsfield-Jackson to Fort Lauderdale

Cheap flights from Atlanta to Florida Keys from $35

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 11/25. 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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Spirit Airlines flights from Atlanta to Florida Keys

Our best Spirit Airlines deals on Atlanta to Florida Keys flight tickets

Frontier flights from Atlanta to Florida Keys

Our best Frontier deals on Atlanta to Florida Keys flight tickets

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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 $177.

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 $271. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $389.

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

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?

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.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Florida Keys?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Florida Keys

How many flights depart from Atlanta to Florida Keys on average per day?

35 flights are operational daily from Atlanta to Florida Keys as of October 2025. The most popular departure time for this route is 6:00PM, with 42% of flights per day taking off in the evening.

How many flights depart from Atlanta to Florida Keys on average per week?

251 flights are operational weekly from Atlanta to Florida Keys as of October 2025. The most popular departure day for this route is Thu, with 31% of flights per week taking off on this day.

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

Direct flights

Airports in Florida Keys

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

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Florida Keys 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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