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

Southwest and Delta are the most popular carriers operating from Atlanta Hartsfield-Jackson to Florida Keys

What airlines fly to Florida Keys?

Delta, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Florida Keys from Atlanta according to our data. Delta is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

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

490 flights are operational weekly from Atlanta to Florida Keys as of May 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

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

70 flights are operational daily from Atlanta to Florida Keys as of May 2026. The most popular departure time for this route is 3:00PM, with 79% of flights per day taking off in the afternoon.

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 6 operators available for flights from Atlanta Hartsfield-Jackson Airport to Florida Keys as of May 2026.

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.

$29 Cheap Flights from Atlanta to Florida Keys in 2026

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Find the cheapest flights from Atlanta to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 pm - 11:05 pm

ATL

MIA

2h 10mnonstop

8:30 am - 10:41 am

MIA

ATL

2h 11mnonstop

$75Frontier

Mon, Jul 6 - Wed, Jul 8

11:20 am - 1:20 pm

ATL

MIA

2h 00mnonstop

11:23 am - 1:34 pm

MIA

ATL

2h 11mnonstop

$76Frontier

Sat, May 30 - Tue, Jun 2

8:45 pm - 10:47 pm

ATL

MIA

2h 02mnonstop

11:23 am - 1:34 pm

MIA

ATL

2h 11mnonstop

$77Frontier

Sat, May 30 - Tue, Jun 2

8:55 pm - 11:05 pm

ATL

MIA

2h 10mnonstop

8:30 am - 10:41 am

MIA

ATL

2h 11mnonstop

$83Frontier

Sun, Jul 5 - Wed, Jul 8

9:27 pm - 11:36 pm

ATL

MIA

2h 09mnonstop

8:30 am - 10:50 am

MIA

ATL

2h 20mnonstop

$84Frontier

Sat, Jul 25 - Thu, Jul 30

6:31 pm - 8:35 pm

ATL

MIA

2h 04mnonstop

8:30 am - 10:52 am

MIA

ATL

2h 22mnonstop

$85Frontier

Sat, Jun 27 - Wed, Jul 1

2:29 pm - 4:31 pm

ATL

MIA

2h 02mnonstop

5:26 pm - 7:55 pm

MIA

ATL

2h 29mnonstop

$86Frontier

Wed, Jun 10 - Wed, Jun 24

8:55 pm - 11:03 pm

ATL

MIA

2h 08mnonstop

11:19 am - 1:34 pm

MIA

ATL

2h 15mnonstop

$87Frontier

Wed, Jun 10 - Thu, Jun 25

9:41 am - 11:07 am

ATL

EYW

25h 26m

1 stop

11:46 am - 6:37 pm

EYW

ATL

6h 51m

1 stop

$179Multiple Airlines

Thu, Jul 23 - Wed, Jul 29

5:14 pm - 7:13 pm

ATL

EYW

25h 59m

1 stop

11:46 am - 6:37 pm

EYW

ATL

6h 51m

1 stop

$180Multiple Airlines

Wed, Jul 22 - Wed, Jul 29

Frontier flights from Atlanta to Florida Keys

Our best Frontier deals on Atlanta to Florida Keys flight tickets

Frontier

Jul 6

ATL8:55 pmAtlanta Hartsfield-Jackson

2h 10m

MIA11:05 pmMiami

Jul 8

MIA8:30 amMiami

2h 11m

ATL10:41 amAtlanta Hartsfield-Jackson

$75

Frontier

May 30

ATL11:20 amAtlanta Hartsfield-Jackson

2h 00m

MIA1:20 pmMiami

Jun 2

MIA11:23 amMiami

2h 11m

ATL1:34 pmAtlanta Hartsfield-Jackson

$76

Frontier

May 30

ATL8:45 pmAtlanta Hartsfield-Jackson

2h 02m

MIA10:47 pmMiami

Jun 2

MIA11:23 amMiami

2h 11m

ATL1:34 pmAtlanta Hartsfield-Jackson

$77

Delta flights from Atlanta to Florida Keys

Our best Delta deals on Atlanta to Florida Keys flight tickets

Delta

Jun 3

ATL11:10 amAtlanta Hartsfield-Jackson

1h 58m

EYW1:08 pmKey West

Jun 10

EYW6:24 pmKey West

2h 11m

ATL8:35 pmAtlanta Hartsfield-Jackson

$449

Delta

May 29

ATL11:02 amAtlanta Hartsfield-Jackson

1h 58m

EYW1:00 pmKey West

Jun 3

EYW11:48 amKey West

2h 09m

ATL1:57 pmAtlanta Hartsfield-Jackson

$499

Delta

May 29

ATL3:28 pmAtlanta Hartsfield-Jackson

1h 55m

EYW5:23 pmKey West

Jun 3

EYW6:19 pmKey West

2h 16m

ATL8:35 pmAtlanta Hartsfield-Jackson

$579

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Mon 7/6

8:55 pm-11:05 pm

Nonstop2h 10m

Miami

Wed 7/8

8:30 am-10:41 am

Nonstop2h 11m

$75

Quickest round-trip

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 5/30

11:20 am-1:20 pm

Nonstop2h 00m

Miami

Tue 6/2

11:23 am-1:34 pm

Nonstop2h 11m

$76

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 5/30

8:45 pm-10:47 pm

Nonstop2h 02m

Miami

Tue 6/2

11:23 am-1:34 pm

Nonstop2h 11m

$77

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sun 7/5

8:55 pm-11:05 pm

Nonstop2h 10m

Miami

Wed 7/8

8:30 am-10:41 am

Nonstop2h 11m

$83

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 7/25

9:27 pm-11:36 pm

Nonstop2h 09m

Miami

Thu 7/30

8:30 am-10:50 am

Nonstop2h 20m

$84

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 6/27

6:31 pm-8:35 pm

Nonstop2h 04m

Miami

Wed 7/1

8:30 am-10:52 am

Nonstop2h 22m

$85

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Wed 6/10

2:29 pm-4:31 pm

Nonstop2h 02m

Miami

Wed 6/24

5:26 pm-7:55 pm

Nonstop2h 29m

$86

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Wed 6/10

8:55 pm-11:03 pm

Nonstop2h 08m

Miami

Thu 6/25

11:19 am-1:34 pm

Nonstop2h 15m

$87

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 7/23

9:41 am-11:07 am

1 stop25h 26m

Key West

Wed 7/29

11:46 am-6:37 pm

1 stop6h 51m

$179

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Wed 7/22

5:14 pm-7:13 pm

1 stop25h 59m

Key West

Wed 7/29

11:46 am-6:37 pm

1 stop6h 51m

$180

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 February is another great option to travel to Florida Keys, with average flight prices from Atlanta averaging around $127.

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 $238. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $346.

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 $192. 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 $293.

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 from Atlanta 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 $172 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 $140 on momondo.

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

There are 3 cabin classes available to choose from on Atlanta 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 53m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Atlanta to Florida Keys takes 1h 53m

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).

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Frequently asked questions about flying from Atlanta to Florida Keys

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 6 operators available for flights from Atlanta Hartsfield-Jackson Airport to Florida Keys as of May 2026.
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 A321neo, representing 20.84% of all bookings. The subsequent popular models are Airbus A321-100/200 at 18.15%, Airbus A320neo at 12.67%, and Boeing 737-900 at 6.51%.

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 Airlines	PriceFrom $147	Free Cancellation	Rating 6.2 8,611 reviews	Search Spirit Airlines flights
Delta	PriceFrom $279	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
American Airlines	PriceFrom $298	Free Cancellation	Rating 7.1 11,643 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.