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Key Largo

$126+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — MIA
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap 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 January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$358
Provider with most accurate pricing for Chattanooga Lovell Field-Miami flight deals.
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Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Miami flights.
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From Chattanooga Lovell Field to Key Largo
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One-way flight from Chattanooga Lovell Field to Key Largo
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Highest demand for flights based on searches. 10% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 12, 2026.

This American Airlines deal was found by Cheapflights users on 1/12. 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 2/147:00 am
CHA
-
MIA
Nonstop2h 10m
American Airlines
Sat 2/219:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 1/12$231
This American Airlines deal was found by Cheapflights users on 1/11. 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 2/72:12 pm
CHA
-
MIA
1 stop6h 58m
American Airlines
Sat 2/149:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 1/11$241
This American Airlines deal was found by Cheapflights users on 1/11. 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.
Wed 2/48:00 am
CHA
-
MIA
1 stop4h 48m
American Airlines
Wed 2/118:35 am
MIA
-
CHA
1 stop7h 18m
American Airlines
Deal found 1/11$251
This American Airlines deal was found by Cheapflights users on 1/12. 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.
Fri 2/206:07 pm
CHA
-
MIA
1 stop5h 36m
American Airlines
Sat 2/289:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 1/12$260
This United Airlines deal was found by Cheapflights users on 1/12. 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 10/312:10 pm
CHA
-
MIA
1 stop6h 19m
United Airlines
Sat 10/1012:15 pm
MIA
-
CHA
1 stop8h 52m
United Airlines
Deal found 1/12$269
This Delta deal was found by Cheapflights users on 1/11. 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.
Sun 2/228:12 pm
CHA
-
MIA
1 stop4h 41m
Delta
Sat 2/286:00 am
MIA
-
CHA
1 stop5h 50m
Delta
Deal found 1/11$270
This American Airlines deal was found by Cheapflights users on 1/11. 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.
Sun 3/16:07 pm
CHA
-
MIA
1 stop5h 36m
American Airlines
Sat 3/79:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 1/11$279
This Delta deal was found by Cheapflights users on 1/11. 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.
Fri 1/307:45 pm
CHA
-
MIA
1 stop5h 06m
Delta
Sat 2/77:15 am
MIA
-
CHA
1 stop3h 45m
Delta
Deal found 1/11$285
This Delta deal was found by Cheapflights users on 1/11. 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 4/294:20 pm
CHA
-
MIA
1 stop6h 32m
Delta
Wed 5/66:00 am
MIA
-
CHA
1 stop4h 53m
Delta
Deal found 1/11$289
This Delta deal was found by Cheapflights users on 1/12. 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.
Fri 2/208:12 pm
CHA
-
MIA
1 stop4h 41m
Delta
Sat 2/287:15 am
MIA
-
CHA
1 stop4h 35m
Delta
Deal found 1/12$290
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Wed 6/312:10 pm
CHA
-
MIA
1 stop6h 19m
United Airlines
Mon 6/89:00 am
MIA
-
CHA
1 stop7h 13m
United Airlines
Deal found 1/10$292
This American Airlines deal was found by Cheapflights users on 1/11. 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.
Sun 2/229:08 am
CHA
-
MIA
1 stop6h 22m
American Airlines
Sat 2/289:36 pm
MIA
-
CHA
Nonstop2h 23m
American Airlines
Deal found 1/11$295

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 January 12, 2026.
Use the filters below to find and compare flights from Chattanooga to Key Largo that are best for you.

Fly from

Chattanooga

Fly to

Key Largo

Route

Depart

Return

Price

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sun 2/22

8:12 pm-12:53 am

1 stop4h 41m

Miami

Sat 2/28

6:00 am-11:50 am

1 stop5h 50m

$270

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Tue 3/10

2:53 pm-8:50 pm

1 stop5h 57m

Miami

Sat 3/14

7:02 am-10:56 am

1 stop3h 54m

$289

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Tue 3/17

4:14 pm-10:26 pm

1 stop6h 12m

Miami

Tue 3/24

10:26 am-2:24 pm

1 stop3h 58m

$289

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Wed 3/18

3:07 pm-9:18 pm

1 stop6h 11m

Miami

Tue 3/24

7:00 am-3:24 pm

1 stop8h 24m

$289

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Fri 1/30

6:03 pm-10:48 pm

1 stop4h 45m

Miami

Tue 2/3

5:50 am-11:01 am

1 stop5h 11m

$305

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Mon 4/13

4:32 pm-8:47 pm

1 stop4h 15m

Miami

Sat 4/18

6:00 am-9:46 am

1 stop3h 46m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Tue 4/14

11:40 am-3:35 pm

1 stop3h 55m

Miami

Wed 4/22

7:00 am-1:19 pm

1 stop6h 19m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Wed 6/10

4:00 pm-10:53 pm

1 stop6h 53m

Miami

Wed 6/24

7:00 am-10:54 am

1 stop3h 54m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sun 4/12

4:14 pm-8:50 pm

1 stop4h 36m

Miami

Wed 4/22

8:04 am-2:18 pm

1 stop6h 14m

$309

ChattanoogaMiami

CHA - MIA

CHAMIA

Chattanooga Lovell Field

Sat 4/18

4:32 pm-8:47 pm

1 stop4h 15m

Miami

Tue 4/21

7:00 am-10:53 am

1 stop3h 53m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 20 results
1
2

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 January 9, 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 January 12, 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 68% 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 January 12, 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
8,033 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,033 reviews
Delta
7.9
Good
8,033 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

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
9,144 reviews
Delta
7.9
Good
8,033 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

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
11,111 reviews
Delta
7.9
Good
8,033 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,296 reviews
Delta
7.9
Good
8,033 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

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 41m. Chattanooga and Key Largo are separated by a distance of 702 mi.

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

    On average you can expect to pay $608 for a flight from Chattanooga to Key Largo. The cheapest flight overall is $231 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$106FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$81Average$130FlexibilityNo cancel feeOn-time65%
DeltaCheapest$140Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$429FlexibilityNo cancel feeOn-time69%

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