HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Atlanta

$40+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ATL
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Atlanta with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Key Largo to Atlanta Hartsfield-Jackson are usually found in May or April, booked 88 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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$61
(FlightHub)

One-way from

$40
(Frontier)

Popular in

December

Cheapest in

May

Average price

$122
Provider with most accurate pricing for Miami-Atlanta Hartsfield-Jackson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Atlanta Hartsfield-Jackson flights.
Search Deals
From Key Largo to Atlanta Hartsfield-Jackson
Search Deals
One-way flight from Key Largo to Atlanta Hartsfield-Jackson
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 22, 2025.

This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/218:59 amMIA - ATL
Nonstop2h 08mSpirit Airlines
Mon 3/246:00 amATL - MIA
Nonstop1h 54mSpirit Airlines
Deal found 2/21$61
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
Tue 3/1810:45 amMIA - ATL
Nonstop2h 17mMultiple Airlines
Mon 3/246:00 amATL - MIA
Nonstop1h 54mMultiple Airlines
Deal found 2/21$62
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/910:42 pmMIA - ATL
Nonstop2h 16mFrontier
Tue 5/138:03 amATL - MIA
Nonstop2h 00mFrontier
Deal found 2/20$63
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/208:10 amMIA - ATL
Nonstop2h 03mDelta
Mon 3/2410:55 pmATL - MIA
Nonstop1h 50mDelta
Deal found 2/21$157
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/2010:50 pmMIA - ATL
Nonstop2h 04mAmerican Airlines
Mon 3/248:22 pmATL - MIA
1 stop4h 20mAmerican Airlines
Deal found 2/21$206

Find flights from Key Largo to Atlanta within your budget

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 February 22, 2025.

Fly from

Key Largo

Fly to

Atlanta

Route

Depart

Return

Price

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 3/21

8:59 am-11:07 am

Nonstop2h 08m

Atlanta Hartsfield-Jackson

Mon 3/24

6:00 am-7:54 am

Nonstop1h 54m

$61

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 3/18

10:45 am-1:02 pm

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Mon 3/24

6:00 am-7:54 am

Nonstop1h 54m

$62

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 5/9

10:42 pm-12:58 am

Nonstop2h 16m

Atlanta Hartsfield-Jackson

Tue 5/13

8:03 am-10:03 am

Nonstop2h 00m

$63

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Thu 3/20

8:10 am-10:13 am

Nonstop2h 03m

Atlanta Hartsfield-Jackson

Mon 3/24

10:55 pm-12:45 am

Nonstop1h 50m

$157

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Sat 3/8

8:40 am-10:43 am

Nonstop2h 03m

Atlanta Hartsfield-Jackson

Mon 3/10

8:33 am-10:40 am

Nonstop2h 07m

$195

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 3/11

2:15 pm-8:35 pm

1 stop6h 20m

Atlanta Hartsfield-Jackson

Tue 3/18

6:20 am-2:55 pm

2 stops8h 35m

$216

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Fri 4/4

5:15 am-7:25 am

Nonstop2h 10m

$40

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Tue 4/15

4:45 pm-12:03 am

1 stop7h 18m

$42

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Sun 3/2

6:00 am-8:06 am

Nonstop2h 06m

$99

MiamiAtlanta

MIA - ATL

MIAATL

Miami

Wed 6/18

6:15 am-11:55 am

1 stop5h 40m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 13 results
1
2

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.

Travel insights for flights from Key Largo to Atlanta

Get recent, data-driven insights about flights from Key Largo to Atlanta including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 88 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 March is currently the most expensive (average of $258). 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 February 22, 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 February 16, 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. Sunday 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 February 22, 2025.

The most flights from KE9 to ATL are scheduled on a Friday (77 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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 February 22, 2025.
Read reviews from past customers who have flown Southwest, Delta and JetBlue from Key Largo to Atlanta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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, 128 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 $40. Users have also found prices from $42 and $99 on Spirit Airlines and Delta, 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: Envoy Air (90%), WestJet (82%), Finnair (81%).

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

    The cheapest flight price from Key Largo to Atlanta is $52. On average you can expect to pay $871. The most popular route, (Miami - Atlanta Hartsfield-Jackson), can usually be booked for $45.

  • 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 March is currently the most expensive (average of $258). 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
Opelika
Marietta
Auburn
College Park
Sandy Springs
McDonough
Morrow
Athens
Stone Mountain
Douglasville
Lawrenceville
Acworth
Conyers
Lithia Springs
Lithonia
Newnan
Smyrna
Cumming

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.
Fort Lauderdale to Atlanta flights
Miami to Atlanta flights
West Palm Beach to Atlanta flights
Orlando to Atlanta flights
Tampa to Atlanta flights
Fort Myers to Atlanta flights
Jacksonville to Atlanta flights
Sarasota to Atlanta flights
Fort Lauderdale to Jacksonville flights
Miami to Jacksonville flights
Fort Lauderdale to Tallahassee flights
Fort Lauderdale to Asheville flights
Pensacola to Atlanta flights
Miami to Tallahassee flights
Orlando to Chattanooga flights
Tampa to Savannah flights
Miami to Savannah flights
Melbourne to Atlanta flights
Tampa to Asheville flights
West Palm Beach to Tallahassee flights
Fort Lauderdale to Chattanooga flights
Sarasota to Savannah flights
Fort Myers to Savannah flights
Orlando Sanford Intl to Asheville flights
Tampa to Jacksonville flights
West Palm Beach to Savannah flights
Miami to Asheville flights
Fort Lauderdale to Savannah flights
Jacksonville to Asheville flights
St Petersburg to Asheville flights
Fort Myers to Chattanooga flights
Sarasota to Asheville flights
West Palm Beach to Chattanooga flights
Pensacola to Savannah flights
Orlando to Asheville flights
West Palm Beach to Jacksonville flights
Miami to Chattanooga flights
Daytona Beach to Atlanta flights
Panama City to Atlanta flights
Fort Lauderdale to Augusta flights
Fort Myers to Asheville flights
Tallahassee to Atlanta flights
Gainesville to Atlanta flights
Pensacola to Jacksonville flights
Fort Myers to Jacksonville flights
Orlando to Savannah flights
Tampa to Tallahassee flights
Gainesville to Asheville flights
Tampa to Chattanooga flights
Orlando to Jacksonville flights

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$101FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$45Average$100FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$149FlexibilityNo cancel feeOn-time62%
DeltaCheapest$106Average$282FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$140Average$304FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$160Average$254FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.