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$39+ Cheap flights from Key Largo, FL to Atlanta (ATL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ATL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Atlanta Hartsfield-Jackson are usually found in May or September, booked 40 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Key Largo to Atlanta

Keep the following information in mind while searching for Key Largo to Atlanta flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$72
(Booking.com)

One-way from

$39
(Frontier)

Popular in

December

Cheapest in

May

Average price

$135
Provider with most accurate pricing for Miami-Atlanta Hartsfield-Jackson flight deals.
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Provider most trusted by Cheapflights users for Miami-Atlanta Hartsfield-Jackson flights.
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From Key Largo to Atlanta Hartsfield-Jackson
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One-way flight from Key Largo to Atlanta Hartsfield-Jackson
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Highest demand for flights based on searches. 14% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Key Largo to Atlanta

Cheapest flights from Key Largo to Atlanta
Explore the most affordable flight options available from Key Largo to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:03 amMIA - ATL
Nonstop2h 11mMultiple Airlines
Mon 5/128:55 amATL - MIA
Nonstop1h 54mMultiple Airlines
Deal found 4/15$71
This Booking.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:44 amMIA - ATL
Nonstop2h 06mSpirit Airlines
Mon 5/128:55 amATL - MIA
Nonstop1h 54mSpirit Airlines
Deal found 4/17$72
This Cheapflightsfares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/910:42 pmMIA - ATL
Nonstop2h 16mFrontier
Sun 5/115:43 amATL - MIA
Nonstop1h 58mFrontier
Deal found 4/16$76
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:20 amMIA - ATL
1 stop6h 15mSouthwest
Tue 5/138:30 amATL - MIA
1 stop7h 45mSouthwest
Deal found 4/16$194
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:30 pmMIA - ATL
Nonstop1h 56mAmerican Airlines
Mon 5/125:00 amATL - MIA
1 stop4h 14mAmerican Airlines
Deal found 4/16$213

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Key Largo to Atlanta that are best for you.

Fly from

Key Largo

Fly to

Atlanta

Route

Depart

Return

Price

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/9

9:03 am-11:14 am

Nonstop2h 11m

Atlanta Hartsfield-Jackson

Mon 5/12

8:55 am-10:49 am

Nonstop1h 54m

$71

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Thu 5/8

11:44 am-1:50 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Mon 5/12

8:55 am-10:49 am

Nonstop1h 54m

$72

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/9

10:42 pm-12:58 am

Nonstop2h 16m

Atlanta Hartsfield-Jackson

Sun 5/11

5:43 am-7:41 am

Nonstop1h 58m

$76

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Thu 5/8

10:37 am-12:38 pm

Nonstop2h 01m

Atlanta Hartsfield-Jackson

Mon 5/12

8:46 pm-10:34 pm

Nonstop1h 48m

$177

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/9

7:20 am-1:35 pm

1 stop6h 15m

Atlanta Hartsfield-Jackson

Tue 5/13

8:30 am-4:15 pm

1 stop7h 45m

$194

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/23

6:00 am-10:29 am

1 stop4h 29m

Atlanta Hartsfield-Jackson

Wed 5/28

7:23 pm-9:24 pm

Nonstop2h 01m

$206

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/9

10:42 pm-12:58 am

Nonstop2h 16m

$39

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Wed 4/23

11:15 am-5:28 pm

1 stop6h 13m

$41

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Thu 5/15

8:10 am-10:06 am

Nonstop1h 56m

$96

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 4/25

7:20 am-1:35 pm

1 stop6h 15m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 13 results
1
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Best time to book a flight from Key Largo to Atlanta

Have a flexible travel schedule? Discover the best time to fly to Atlanta from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Atlanta

How far ahead should I book a flight from Key Largo to Atlanta?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Atlanta. Price data was last updated on April 11, 2025.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Atlanta. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Atlanta?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Atlanta (average of $190). Flying from Key Largo to Atlanta in June is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to ATL?

Find hourly flight availability from Key Largo to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Atlanta as you normally would.

What is the cheapest day to fly from Key Largo to Atlanta?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Atlanta. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Key Largo to Atlanta flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Atlanta

Explore weekly flight availability from Key Largo to Atlanta. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from KE9 to ATL are scheduled on a Thursday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

Rainfall in Atlanta by month

Plan your trip to Atlanta by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Atlanta ranges from 3.4 - 5.3 inches per month. July is typically the wettest month, when rainfall can reach 5.3 in. April is typically the driest time to visit Atlanta when rainfall is around 3.4 in.

Temperature in Atlanta by month

Plan your trip to Atlanta by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Atlanta, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Atlanta

Get insights into the airlines that provide service to Atlanta. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Atlanta. Reviews last updated April 17, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Key Largo to Atlanta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,916 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,926 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Atlanta from Key Largo?

    Atlanta Hartsfield-Jackson (ATL) is the airport you will fly into if you book a flight from Key Largo to Atlanta. You should not have trouble finding flights to Hartsfield-Jackson from Key Largo; the airport handles an average of 63 inbound flights from Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Atlanta airport from Key Largo. It is only a 8.2 mi journey from Hartsfield-Jackson (ATL) to Atlanta’s city center.

  • How popular is this Key Largo to Atlanta flight route?

    Within the past month, 141 users have taken a look at flights from Key Largo to Atlanta Hartsfield-Jackson.

  • What are the cheapest airlines to fly from Key Largo to Atlanta one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $41 and $90 on Spirit Airlines and Southwest, respectively.

  • What are the most reliable airlines from Key Largo to Atlanta?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key Largo to Atlanta on time: Spirit Airlines (93%), WestJet (78%), Delta (73%).

  • What are the cheapest flights from Key Largo to Atlanta?

    The cheapest flight price from Key Largo to Atlanta is $53. On average you can expect to pay $975. The most popular route, (Miami - Atlanta Hartsfield-Jackson), can usually be booked for $69.

  • Can I find deals for flights from Key Largo to Atlanta that include hotel bookings?

    Yes. In addition to deals on Key Largo to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Atlanta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Atlanta.

  • Can I find deals for business class flights from Key Largo to Atlanta?

    Yes. Cheapflights offers flight deals from Key Largo to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Atlanta?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Atlanta (average of $190). Flying from Key Largo to Atlanta in June is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Norcross
Duluth
College Park
Opelika
Marietta
Auburn
Stone Mountain
Sandy Springs
McDonough
Conyers
Morrow
Lithonia
Buford
Acworth
Athens
Smyrna
Stockbridge
Lawrenceville
Douglasville
Suwanee

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Top 6 airlines flying from Key Largo to Atlanta

Discover the top 6 airlines that operate flights from Key Largo to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$108FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$105FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$58Average$138FlexibilityNo cancel feeOn-time62%
DeltaCheapest$114Average$286FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$144Average$274FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$160Average$252FlexibilityNo cancel feeOn-time63%

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