Cheap flights from Florida Keys to Atlanta 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 Florida Keys to Atlanta departing on 1/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:05 am - 9:07 am
MIA
-
ATL
2h 02mnonstop
Spirit Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
$52Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
7:00 am - 9:02 am
MIA
-
ATL
2h 02mnonstop
Multiple Airlines Logo
10:45 pm - 12:42 am
ATL
-
MIA
1h 57mnonstop
$55Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
6:59 pm - 9:26 pm
MIA
-
ATL
2h 27mnonstop
Multiple Airlines Logo
9:57 am - 11:56 am
ATL
-
MIA
1h 59mnonstop
$57Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Frontier Logo
7:09 pm - 9:45 pm
MIA
-
ATL
2h 36mnonstop
Frontier Logo
10:45 pm - 12:42 am
ATL
-
MIA
1h 57mnonstop
$58Frontier
Tue, Feb 17 - Thu, Feb 26
Frontier Logo
5:15 am - 7:29 am
MIA
-
ATL
2h 14mnonstop
Frontier Logo
12:16 pm - 2:15 pm
ATL
-
MIA
1h 59mnonstop
$59Frontier
Fri, Jan 16 - Mon, Jan 19
Spirit Airlines Logo
7:00 am - 9:02 am
MIA
-
ATL
2h 02mnonstop
Spirit Airlines Logo
9:57 am - 11:56 am
ATL
-
MIA
1h 59mnonstop
$61Spirit Airlines
Sun, Jan 18 - Sun, Jan 25
Spirit Airlines Logo
9:59 pm - 11:59 pm
MIA
-
ATL
2h 00mnonstop
Spirit Airlines Logo
9:57 am - 11:56 am
ATL
-
MIA
1h 59mnonstop
$63Spirit Airlines
Mon, Jan 5 - Mon, Jan 12
Frontier Logo
12:49 pm - 3:10 pm
MIA
-
ATL
2h 21mnonstop
Frontier Logo
12:33 pm - 2:34 pm
ATL
-
MIA
2h 01mnonstop
$64Frontier
Tue, Jan 6 - Fri, Jan 9
Delta Logo
2:46 pm - 4:52 pm
EYW
-
ATL
2h 06mnonstop
Delta Logo
11:58 am - 1:48 pm
ATL
-
EYW
1h 50mnonstop
$279Delta
Thu, Feb 19 - Tue, Feb 24
American Airlines Logo
4:02 pm - 11:58 pm
EYW
-
ATL
7h 56m2 stops
American Airlines Logo
10:47 am - 7:20 pm
ATL
-
EYW
8h 33m2 stops
$309American Airlines
Thu, Feb 19 - Tue, Feb 24

Spirit Airlines flights from Florida Keys to Atlanta

Our best Spirit Airlines deals on Florida Keys to Atlanta flight tickets
Spirit Airlines
Feb 19
MIA7:05 amMiami
2h 02m
ATL9:07 amAtlanta Hartsfield-Jackson
Feb 24
ATL10:12 amAtlanta Hartsfield-Jackson
2h 04m
MIA12:16 pmMiami
Spirit Airlines
Jan 18
MIA7:00 amMiami
2h 02m
ATL9:02 amAtlanta Hartsfield-Jackson
Jan 25
ATL9:57 amAtlanta Hartsfield-Jackson
1h 59m
MIA11:56 amMiami
Spirit Airlines
Jan 5
MIA9:59 pmMiami
2h 00m
ATL11:59 pmAtlanta Hartsfield-Jackson
Jan 12
ATL9:57 amAtlanta Hartsfield-Jackson
1h 59m
MIA11:56 amMiami

Frontier flights from Florida Keys to Atlanta

Our best Frontier deals on Florida Keys to Atlanta flight tickets
Frontier
Jan 6
MIA7:09 pmMiami
2h 31m
ATL9:40 pmAtlanta Hartsfield-Jackson
Jan 9
ATL12:33 pmAtlanta Hartsfield-Jackson
2h 01m
MIA2:34 pmMiami
Frontier
Jan 8
MIA5:20 amMiami
2h 13m
ATL7:33 amAtlanta Hartsfield-Jackson
Jan 11
ATL10:45 pmAtlanta Hartsfield-Jackson
2h 01m
MIA12:46 amMiami
Frontier
Jan 16
MIA7:09 pmMiami
2h 36m
ATL9:45 pmAtlanta Hartsfield-Jackson
Jan 19
ATL12:16 pmAtlanta Hartsfield-Jackson
1h 59m
MIA2:15 pmMiami

momondo Fare Finder

 
Customize your flight search to find flights from Florida Keys to Atlanta 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 Florida Keys to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Thu 2/19

7:05 am-9:07 am

Nonstop2h 02m

Atlanta Hartsfield-Jackson

Tue 2/24

10:12 am-12:16 pm

Nonstop2h 04m

$52

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 1/16

7:00 am-9:02 am

Nonstop2h 02m

Atlanta Hartsfield-Jackson

Mon 1/19

10:45 pm-12:42 am

Nonstop1h 57m

$55

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 1/20

6:59 pm-9:26 pm

Nonstop2h 27m

Atlanta Hartsfield-Jackson

Tue 1/27

9:57 am-11:56 am

Nonstop1h 59m

$57

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 2/17

7:09 pm-9:45 pm

Nonstop2h 36m

Atlanta Hartsfield-Jackson

Thu 2/26

10:45 pm-12:42 am

Nonstop1h 57m

$58

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 1/16

5:15 am-7:29 am

Nonstop2h 14m

Atlanta Hartsfield-Jackson

Mon 1/19

12:16 pm-2:15 pm

Nonstop1h 59m

$59

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Sun 1/18

7:00 am-9:02 am

Nonstop2h 02m

Atlanta Hartsfield-Jackson

Sun 1/25

9:57 am-11:56 am

Nonstop1h 59m

$61

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Mon 1/5

9:59 pm-11:59 pm

Nonstop2h 00m

Atlanta Hartsfield-Jackson

Mon 1/12

9:57 am-11:56 am

Nonstop1h 59m

$63

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 1/6

12:49 pm-3:10 pm

Nonstop2h 21m

Atlanta Hartsfield-Jackson

Fri 1/9

12:33 pm-2:34 pm

Nonstop2h 01m

$64

Key WestAtlanta

EYW - ATL

EYWATL

Key West

Thu 2/19

2:46 pm-4:52 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Tue 2/24

11:58 am-1:48 pm

Nonstop1h 50m

$279

Key WestAtlanta

EYW - ATL

EYWATL

Key West

Thu 2/19

4:02 pm-11:58 pm

2 stops7h 56m

Atlanta Hartsfield-Jackson

Tue 2/24

10:47 am-7:20 pm

2 stops8h 33m

$309

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 Atlanta from

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

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 Atlanta?

The month of October is, on average, the cheapest month to fly to Atlanta from Florida Keys, with most prices found around $144. If you aren’t able to travel to Atlanta during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $149.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Friday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $225. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Monday is $432.

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

The cheapest time of day to fly to Atlanta is in the evening when flights can be purchased for as low as $246. Flights to Atlanta are more costly at noon, with an average ticket price of $500. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Atlanta?

You are more likely to see cheaper flights to Atlanta from Florida Keys when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $160 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from Florida Keys for as low as $120 on momondo.

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

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

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

Cheap Florida Keys to Atlanta flight deals and tips

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

Fastest flight time

1h 56m

Direct flights

Every day

Airports in Atlanta

1 airport
The fastest flight from Florida Keys to Atlanta takes 1h 56m
Direct flights go from Florida Keys to Atlanta every day.
There is 1 airport in Atlanta. From Florida Keys there are direct flights to Atlanta Hartsfield-Jackson (ATL).
  • When did momondo last update prices for flights from Florida Keys to Atlanta Hartsfield-Jackson Airport?

    Prices for flights from Florida Keys to Atlanta Hartsfield-Jackson Airport refresh daily.

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

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

    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 Florida Keys to Atlanta Hartsfield-Jackson Airport.

  • What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?

    The travel and health documents required for your trip to Atlanta Hartsfield-Jackson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Atlanta Hartsfield-Jackson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Florida Keys to Atlanta

Compare and see reviews for airlines that fly from Florida Keys to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $279Free CancellationRating
7.9
8,014 reviews
Search Delta flights

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
McDonough
Duluth
Blue Ridge
Warner Robins
Lawrenceville
Stone Mountain
Dahlonega
Cartersville
Covington
Auburn
Norcross
Gadsden
Conyers
Kennesaw
Newnan
La Grange
Lithonia
Gainesville

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Florida Keys to Atlanta. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Atlanta from Florida Keys with this policy.

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

Once you have performed a search for Florida Keys to Atlanta 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 Florida Keys to Atlanta right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Atlanta, momondo offers a useful price alert feature which will track prices for flights to Atlanta from Florida Keys and alert you when they change.

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1 adult
Thu 1/22
Thu 1/29

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