$30 Find Cheap Flights from Atlanta to Key Largo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Atlanta to Key Largo departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$58
Overall average: $163
Multiple Airlines
Thu 3/5Tue 3/10
ATL - MIA • Non-stop
Cheapest non-stop
$58
Typical prices: $95-$249
Multiple Airlines
Thu 3/5Fri 3/6
ATL - MIA • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Atlanta to Key Largo (ATL-MIA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Atlanta to Key Largo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Atlanta to Key Largo

Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
Multiple Airlines Logo
2:06 pm - 4:19 pm
MIA
-
ATL
2h 13mnonstop
$58Multiple Airlines
Sat, Mar 21 - Tue, Mar 24
Spirit Airlines Logo
6:14 pm - 8:07 pm
ATL
-
MIA
1h 53mnonstop
Spirit Airlines Logo
3:12 pm - 5:09 pm
MIA
-
ATL
1h 57mnonstop
$59Spirit Airlines
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
10:50 pm - 12:47 am
ATL
-
MIA
1h 57mnonstop
Multiple Airlines Logo
6:45 am - 8:46 am
MIA
-
ATL
2h 01mnonstop
$60Multiple Airlines
Mon, Feb 9 - Sun, Feb 15
Multiple Airlines Logo
9:51 am - 11:50 am
ATL
-
MIA
1h 59mnonstop
Multiple Airlines Logo
5:05 am - 7:19 am
MIA
-
ATL
2h 14mnonstop
$61Multiple Airlines
Wed, Feb 11 - Sun, Feb 15
Spirit Airlines Logo
9:51 am - 11:50 am
ATL
-
MIA
1h 59mnonstop
Spirit Airlines Logo
7:05 am - 9:07 am
MIA
-
ATL
2h 02mnonstop
$62Spirit Airlines
Sat, Feb 28 - Sat, Feb 28
Multiple Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
Multiple Airlines Logo
7:09 pm - 9:45 pm
MIA
-
ATL
2h 36mnonstop
$63Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
8:23 am - 10:28 am
ATL
-
MIA
2h 05mnonstop
Frontier Logo
7:04 pm - 9:40 pm
MIA
-
ATL
2h 36mnonstop
$64Frontier
Thu, Feb 12 - Sun, Feb 15
Multiple Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
Multiple Airlines Logo
5:05 am - 7:19 am
MIA
-
ATL
2h 14mnonstop
$65Multiple Airlines
Mon, Mar 9 - Mon, Mar 9
Multiple Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
Multiple Airlines Logo
7:04 pm - 9:40 pm
MIA
-
ATL
2h 36mnonstop
$66Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
Multiple Airlines Logo
10:12 am - 12:16 pm
ATL
-
MIA
2h 04mnonstop
Multiple Airlines Logo
5:05 am - 7:19 am
MIA
-
ATL
2h 14mnonstop
$67Multiple Airlines
Useful Info

Good to know

Low seasonAugust
Cheapest flight$30
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Atlanta to Miami

When to book flights from Atlanta to Key Largo

Are your dates flexible? Find out the best times to travel from Atlanta to Key Largo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

FAQs for booking flights from Atlanta to Key Largo

  • Which airports will I be using when flying from Atlanta to Key Largo?

    When flying out of Atlanta you’ll be using Atlanta Hartsfield-Jackson. Key Largo does not have its own airport so you’ll be flying into nearby Miami airport, which is 49.7 mi away.

  • How long does a flight from Atlanta to Key Largo take?

    Direct flights cover the 596 miles separating Atlanta and Key Largo in about 1h 54m.

  • How many flights are there between Atlanta and Key Largo?

    92 direct flights run between Atlanta and Key Largo on a daily basis. On average, there are about 648 departures each week.

  • What’s the cheapest day of the week to fly between Atlanta and Key Largo?

    Consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to Atlanta, you’ll find the best rates on Fridays and the most expensive ones on Saturdays.

  • How does KAYAK find such low prices on flights from Atlanta to Key Largo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Atlanta to Key Largo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Atlanta to Key Largo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key Largo from Atlanta is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Atlanta to Key Largo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Key Largo with an airline and back to Atlanta with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Atlanta to Key Largo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Key Largo from Atlanta up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Atlanta to Key Largo?

    In the last 72 hours, the cheapest one-way ticket between Atlanta and Key Largo found on KAYAK was with Frontier for $29. Spirit Airlines offered a round-trip connection from $49 and Frontier from $56.

Top tips for finding cheap flights from Atlanta to Key Largo

  • There is no airport in Key Largo. Instead, you’ll be flying into Miami Airport when flying between Atlanta and Key Largo.
  • The cheapest flight from Atlanta to Key Largo was found 30 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be July, August and September. The cheapest month to fly is January.

Reviews of the top 5 airlines serving Atlanta to Key Largo

 
Need help choosing which airline to fly with from Atlanta to Key Largo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4269 reviews
8.0Comfort
7.0Food
7.5Entertainment
8.1Boarding
8.6Crew
Airline reviews

Great vacation. Can't wait till next year for another one.

10.0 ExcellentJohn, Jan 2026
SAT - PHX
Read more Southwest reviews

Great vacation. Can't wait till next year for another one.

Great flight but super high price. Glad it was a business trip and not personal

On time. Friendly staff. Took to long to pre bord all the specialty groups. Cramped small plane

The seats were comfortable, and the boarding process was pretty smooth.

3 hour delay. Had to change plans and was still delayed.

The staff was very friendly, professional, and courteous. The overall flight was a great experience.

The crew canceled the complementary snack and drink in anticipation of turbulence that never materialized. I was counting on the drink (water) to take the the doses of medication - prescribed for my heart condition - that were due during the flight. Since no snack or meal was served on this flight, I cannot rate the food quality. Otherwise, this flight was excellent.

Departure was delayed more than 1/2 hour while we waited for luggage (only) transfer from another flight/plane. Once approved for takeoff, the flight was excellent.

Okay, not wonderful. Short flight. Wi-fi didn't work properly. Stuck waiting for a gate to open upon arrival for 20 or so minutes.

They sent a notice that they were boarding an hour early. We had to leave the club and run to the gate. They said sorry, that came from corporate and was a mistake. They did not have enough seating because the flight before it had not taken off on time. They moved our gate and delayed it for an hour.

The flight was delayed and oversold. I volunteered to give up my seat for compensation. Thinking I could get a good night's sleep instead of arriving home at 2 am. It took over an hour to get the new reservation confirmed, three different gate attendants, and two red coats. It took even longer to confirm the overnight hotel, and when I arrived, the line was 45 minutes long, with two people checking in, and at least 15 people slowly, very slowly—no food except frozen convenience food, no coupon for food from airlines. Slept, headed back to the airport, and that flight had an equipment change and a gate change just as they were about to board. It took an additional hour to board as they cleaned the plane from storage.

I upgraded to first. Quick and easy boarding. Comfortable seat with power and a nice IPA.

Staff was great! Kind and cordial! Middle seat row 28 seat B has a hump in it. Trays were getting stuck when putting down and up. Good flight

It was good because we traveled without luggage, carry on only.

I usually get upgraded so my experience is usually amazing. I did not get upgraded this time - which was fine - but the wifi had issues, the monitors were going in & out, & (though not Delta's fault) one of the gentlemen next to me desperately needed a shower.

Comfort Plus seat 11E seemed smaller than prior flights. The movie selection is good. Watched most of the most recent Tron movie. I'll watch the remaining part later as my movie is saved in the Delta Seatback Experience.

Late delayed flight delays boarding and delays leaving and delays on arrival too. Cramped plane no room no food.

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

First, Delta needs more flights to/from Miami. Second, a 1000pm leaving at 1230pm is unacceptable from their biggest airport world hub. Another aircraft could have been used such as the aircraft scheduled to be used in the morning for that exact same route. Yes, I did get me there but the lack of sleep the next day didn't help me enjoy my entire trip since I was busy with activities during the weekend. This can be and is expected from Spirit (going bankrupt) and Frontier (despite they're nickel and dimers). But from Delta's World Hub? That's totally unacceptable!

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

It was a little concerning to hear the ground crew arguing with the flight crew over baggage space. Instead of taking them and checking them, they started checking for space in the first class cabin moving items around like the flight crew didn't know what they were doing. I was embarrassed for them.

On the plus side, crew was attentive, drinks were cold, and in-flight entertainment selection was better than some other airlines. On the negative aide, Plane was delayed almost an hour, either no announcements from the gate crew. Biscoff cookies are gross, appreciate airlines that give a choice. Also, crew had no personality or enthusiasm at all.

UGH I HAD TO MISS MY FIRST FLIGHT TO TAMPA CAUSE OF THE 10 MINUTE DELAY OF THE ORLANDO TO MIAMI ONE SO THEY HAD ME GET ANOTHER TICKET. I AM NOT HAPPY AT ALL BECAUSE IT MADE ME MISS MY CONNECTING FLIGHT FROM TAMPA TO LONDON AND FORCED ME TO MISS A DAY AT MY ROOM IN THE UK.

Wish they didnt delay off-boarding for 10 minutes so i could connect to my flight from miami to tampa

We experienced gate changes and a long delay. My seat was dirty when I boarded and I had to use wipes to clean it myself. There was an unpleasant and overpowering cleaning product scent on the plane as well that lingered through the flight.

I got sick nothing contagious but distressing and the care I received by Kayla? Keighly the flight attendant will be memorable for ever. Thank You

Waaay too small plane. They also need to up the size of the overhead bins. I would love to keep me 3k with of camera equipment in my hard case baggahe instead of it being thrown into the belly of the plane

Attendants were pleasant and the flight was smooth and relaxed.

It was fine. No drinks nor snacks offered though. I thought that was unusual.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

I didn't have a flight because of a ticking problem that was discovered at the airport at checkin for the initial flight of the round trip.

Flight was delayed would have liked it to have been on time. I didn't experience the food or entertainment but the boarding process was smooth and the flight crew worked well together and did a great job!

Cheap, only one short delay. No issues despite bad weather. Able to take a big backpack for free.

I know Spirit gets a lot of criticism, but I've taken three flights recently and all were very good, and tremendous value. On my most recent one, they randomly assigned me to a very comfortable exit row seat! The flight was on time and the boarding process was smooth, and the crew was friendly. No complaints!

My experience with spirit was horrible I had to spend a extra $100 to check in my bag when I already purchased my ticket even when I got to my gate to get my seat the attendant didnt say anything until I was boarding the plane..also to make matters worst I been flying from Florida to New york and Florida to Atlanta often this was my 4th trip to Atlanta with the same bag and never had this problem till yesterday so im extremely upset and I wasnt even giving a reason for the change the attendant just gave a attitude and wouldn't answer me at all

Paid for wifi the day before but wifi was unavailable on flight.

Second time in 3 days I walked off the plane late. This time - almost an hour.

I've flown two Spirit flights recently - boarding for one was somewhat chaotic, with the board listing the wrong flight and causing much confusion; boarding for the other was very smooth and easy. My seat (for which I did not pay extra) was a bit narrow and without great legroom, but it was fine for a NY-Florida trip and was more than worth the low price I paid. The crew was friendly and one flight landed early and the other was only very slightly delayed. All in all a very good experience.

Your flight crew and boarding area crew need to have microphone use training. They all hold the microphone right up to their mouths, way to close making understanding them almost impossible. The microphone should be held about 3 to 4 inches away from their mouths. This would provide for much better clarity through the PA system. ‘Eating the mic’ DOES NOT work.

It was the first time I flew on that airline and had a very positive experience. Nearly identical to Jetblue which consider the standard of airlines excellence.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

A 630departure flight Delayed 6hours! They changed my gate, I moved to the new gate. Had our flight on the screen for 12noon departure. I go get above to eat, check screen again and the flight was gone, no notice no announcement, nothing!! They sent my bag on the flight I wasn’t on, got it back to me 3days later. Thank goodness they did refund my money but I will NEVER fly them again.

Plane and crew on board were fine. Everything else was terrible.

One of the worst travel experiences I've had. Had a flight scheduled with CVG to RSW on VLSWQX this morning departing at 5:30. Two individuals at the gate and one was in training. Not her fault but she didn't have the ability to check people in resulting in at least 15 families that didn't make it on the plane because they weren't checked into the system in time. When arriving at the airport to drop off our prepaid checked bags, the bag drop off agent asked if we could check our bags at the gate because of the long line. We said no problem so arrived at the gate by 5:00. They told those people that had previously paid for checked bags to stand off to the side while they let others that either didn't have a checked bag or their bag was already on the plan through. Realizing the gate workers had an issue, they either called for help or this lady showed up late for work as she didn't arrive until 5:15. The worker who had been there training the other individual and working diligently to make sure all passengers got on board. He even said that at one point all people that are currently in line are fine but asked the person in training to stand outside the ticketing area around 5:15 to notify any late travels that the flight was in boarding process and they arrrived too late. At that point, we're sill standing off to the side with our pre-paid checked bags patiently waiting. When the new lady arrived she couldn't have been more rude. It was an awful seen. Essentially they had asked for those without an assigned seat to board last, those with pre-paid checked bag stand off to the site and any traveling with a larger items that needed to be checked at the gate (such as a stroller), wait on the side. They realized that the flight needed to leave on time so the gate attendant shut the gate. So anyone without a seat assignment, those that had pre-checked bags, and the worst one I saw was a mother with two infant children was in line with use because she was asked to stand to the side because her stroller. When they shut the door to the plan they told her she could no longer get on. Her checked bags were already on the plane with her car keys in them, and the lady told her we couldn't accept anyone else on because the door was shut. She didn't even have a way to get home from the airport. Truely evil behavior. I've flown Frontier enough to know customer service is not a top priority in the company's mission, but this was an all-time low. I'm sending this after an 18 hour drive that our family just completed to Bonita Springs . I felt really bad for the lady being trained and the other individual trying to help, but when the new lady came to the gate she was truly one of the rudest individuals I've ever met. One lady had been there since 4am but because she didn't have an assigned seat they wouldn't let her on the plan.

Better than expected. Staff were friendly and nice on both flights.

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

No fault of Frontier staff: plane was very late, reached Orlando at 1 am, took a while to get luggage. Weather, gov financial shutdown impact on TSA, air controllers seemed to have multiple flights backed up. Frontier staff seemed to cope as gracefully as possible. It did reassure me that I and my new hip could adapt to travel challenges. Food/entertainment were irrelevant to my trip.

Inbound plane was on time and flight departed on time with no issues while boarding.

It was well done. It was my first time flying with them and I was nervous b/c I have heard of many cancelled and/or delray flights. Everything went smoothly.

Too many extra fees, uncomfortable, little leg room. Will not recommend this airline.

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

Complete your trip to Key Largo with a hotel stay or car rental