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Key Largo

$110+ Cheap flights from Chattanooga (CHA) to Key Largo, FL

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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — MIA
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap flight deals from Chattanooga to Key Largo

Cheapest flights from Chattanooga to Key Largo
Explore the most affordable flight options available from Chattanooga to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:29 pm
CHA
-
MIA
2 stops54h 11m
Multiple Airlines
Thu 4/308:42 am
MIA
-
CHA
1 stop12h 45m
Multiple Airlines
Deal found 2/25$227
This American Airlines deal was found by Cheapflights users on 2/26. 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.
Sat 4/187:00 am
CHA
-
MIA
Nonstop2h 07m
American Airlines
Sat 5/29:50 pm
MIA
-
CHA
Nonstop2h 09m
American Airlines
Deal found 2/26$231
This Delta deal was found by Cheapflights users on 2/25. 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.
Wed 4/226:29 pm
CHA
-
MIA
1 stop6h 25m
Delta
Wed 4/2910:29 am
MIA
-
CHA
1 stop5h 18m
Delta
Deal found 2/25$251
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:17 pm
CHA
-
MIA
1 stop33h 15m
Multiple Airlines
Wed 4/297:04 pm
MIA
-
CHA
2 stops26h 08m
Multiple Airlines
Deal found 2/25$253
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:59 pm
CHA
-
MIA
1 stop8h 46m
United Airlines
Sat 4/259:00 am
MIA
-
CHA
1 stop6h 33m
United Airlines
Deal found 2/26$260
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:17 pm
CHA
-
MIA
1 stop33h 15m
Multiple Airlines
Fri 5/17:21 pm
MIA
-
CHA
2 stops49h 51m
Multiple Airlines
Deal found 2/25$267
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:42 pm
CHA
-
MIA
1 stop5h 58m
United Airlines
Wed 8/128:00 am
MIA
-
CHA
1 stop9h 19m
United Airlines
Deal found 2/24$269
This American Airlines deal was found by Cheapflights users on 2/26. 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.
Tue 3/245:35 pm
CHA
-
MIA
1 stop5h 10m
American Airlines
Sat 3/289:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 2/26$270
This Delta deal was found by Cheapflights users on 2/24. 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.
Sat 3/284:18 pm
CHA
-
MIA
1 stop8h 34m
Delta
Tue 3/318:10 am
MIA
-
CHA
1 stop5h 00m
Delta
Deal found 2/24$278

Find flight deals from Chattanooga to Key Largo

Keep the following information in mind while searching for Chattanooga to Key Largo flight deals. Data was last updated February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$110
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$383
Provider with most accurate pricing for Chattanooga Lovell Field-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Miami flights.
Search Deals
From Chattanooga Lovell Field to Key Largo
Search Deals
One-way flight from Chattanooga Lovell Field to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga to Key Largo 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 27, 2026.
Use the filters below to find and compare flights from Chattanooga to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sat 8/8

4:42 pm-10:40 pm

1 stop5h 58m

Miami

Sat 8/15

9:00 am-4:13 pm

1 stop7h 13m

$269

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Tue 3/24

4:14 pm-8:50 pm

1 stop4h 36m

Miami

Sat 3/28

6:33 pm-11:41 pm

1 stop5h 08m

$280

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Thu 6/4

2:52 pm-9:16 pm

1 stop6h 24m

Miami

Wed 6/10

6:00 am-10:54 am

1 stop4h 54m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Mon 3/23

7:59 pm-12:52 am

1 stop4h 53m

Miami

Thu 4/2

8:10 am-1:10 pm

1 stop5h 00m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sat 4/25

8:30 am-3:05 pm

1 stop6h 35m

Miami

Tue 4/28

7:01 am-8:54 pm

2 stops13h 53m

$326

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Mon 6/29

1:30 pm-6:54 pm

1 stop5h 24m

Miami

Fri 7/3

7:00 am-1:05 pm

1 stop6h 05m

$334

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Thu 6/4

2:52 pm-9:16 pm

1 stop6h 24m

Miami

Fri 6/12

8:05 am-2:33 pm

1 stop6h 28m

$334

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sat 8/8

4:42 pm-10:40 pm

1 stop5h 58m

Miami

Sun 8/16

9:00 am-4:13 pm

1 stop7h 13m

$339

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sat 6/13

4:42 pm-10:40 pm

1 stop5h 58m

Miami

Sat 6/20

8:48 am-4:03 pm

1 stop7h 15m

$387

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Fri 3/13

6:15 pm-10:26 pm

1 stop4h 11m

Miami

Mon 3/16

7:05 am-1:10 pm

1 stop6h 05m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Chattanooga to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Chattanooga 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 Chattanooga to Key Largo

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

Use this chart to determine the optimal time to book a round-trip flight from Chattanooga to Key Largo. Price data was last updated on February 20, 2026.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chattanooga to Key Largo. 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 Chattanooga to Key Largo?

Currently, February is the cheapest month in which you can book a flight from Chattanooga to Key Largo (average of $78). Flying from Chattanooga to Key Largo in September is currently the most expensive (average of $100). 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 CHA to KE9?

Find hourly flight availability from Chattanooga to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2026.

A simple way to save on the total cost of your ticket is to fly from Chattanooga to Key Largo in the evening. If you’re flexible enough to do this you can expect to save up to 74% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated February 27, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Chattanooga to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,243 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,243 reviews
Delta
7.9
Good
8,243 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
9,350 reviews
Delta
7.9
Good
8,243 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,355 reviews
Delta
7.9
Good
8,243 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Spirit Airlines
6.3
Okay
8,493 reviews
Delta
7.9
Good
8,243 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Chattanooga to Key Largo. 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 from for flights from Chattanooga to Key Largo?

    For a flight from Chattanooga to Key Largo, you will be flying from Lovell Field. Chattanooga Lovell Field (CHA) is just 6.0 mi from the center of the city. Lovell Field is the only Chattanooga airport and it handles 0 outbound flights to Key Largo per day. 5 airlines have flights to Key Largo from Chattanooga Lovell Field on a regular basis.

  • How long is the flight from Chattanooga to Key Largo?

    Departing from Chattanooga to Key Largo will take you 4h 36m. Chattanooga and Key Largo are separated by a distance of 702 mi. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from Chattanooga to Key Largo are American Airlines (0%), Qatar Airways (0%) and Envoy Air (0%).

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

    On average you can expect to pay $405 for a flight from Chattanooga to Key Largo. The cheapest flight overall is $115 while the most popular route, (Chattanooga Lovell Field - Miami) is currently priced at $251.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chattanooga to Key Largo 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 Chattanooga to Key Largo?

    Currently, February is the cheapest month in which you can book a flight from Chattanooga to Key Largo (average of $78). Flying from Chattanooga to Key Largo in September is currently the most expensive (average of $100). 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

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Top 5 airlines flying from Chattanooga to Key Largo

Discover the top 5 airlines that operate flights from Chattanooga to Key Largo. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$102FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$80Average$129FlexibilityNo cancel feeOn-time65%
DeltaCheapest$103Average$344FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$431FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$429FlexibilityNo cancel feeOn-time69%

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