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Key Largo

$224+ Cheap flights from Kingsport, TN to Key Largo, FL

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — MIA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Kingsport to Key Largo

Cheapest flights from Kingsport to Key Largo
Explore the most affordable flight options available from Kingsport to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:36 pmTRI - MIA
1 stop5h 15mDelta
Sun 12/215:01 pmMIA - TRI
1 stop5h 48mDelta
Deal found 12/17$536
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amTRI - MIA
1 stop4h 23mDelta
Fri 12/264:01 pmMIA - TRI
1 stop6h 48mDelta
Deal found 12/17$563
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/208:26 pmTRI - MIA
1 stop4h 21mAmerican Airlines
Mon 12/225:30 pmMIA - TRI
1 stop4h 28mAmerican Airlines
Deal found 12/16$571
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/268:26 pmTRI - MIA
1 stop4h 21mAmerican Airlines
Wed 12/313:28 pmMIA - TRI
1 stop6h 30mAmerican Airlines
Deal found 12/16$791
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/288:26 pmTRI - MIA
1 stop4h 21mAmerican Airlines
Tue 12/303:28 pmMIA - TRI
1 stop4h 31mAmerican Airlines
Deal found 12/16$821
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:08 amTRI - MIA
2 stops6h 22mAmerican Airlines
Sun 12/215:30 pmMIA - TRI
1 stop6h 24mAmerican Airlines
Deal found 12/17$845
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:10 amTRI - MIA
1 stop5h 59mAmerican Airlines
Sun 1/45:07 pmMIA - TRI
2 stops6h 47mAmerican Airlines
Deal found 12/16$871
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:00 amTRI - MIA
2 stops10h 10mAmerican Airlines
Fri 12/266:00 amMIA - TRI
1 stop4h 13mAmerican Airlines
Deal found 12/17$918

Find flight deals from Kingsport to Key Largo

Keep the following information in mind while searching for Kingsport to Key Largo flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$224
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$571
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Miami flights.
Search Deals
From Kingsport to Key Largo
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport 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 December 18, 2025.
Use the filters below to find and compare flights from Kingsport to Key Largo that are best for you.

Fly from

Kingsport

Fly to

Key Largo

Route

Depart

Return

Price

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Mon 1/26

12:53 pm-11:05 pm

1 stop10h 12m

Miami

Fri 1/30

8:51 pm-9:12 pm

2 stops48h 21m

$224

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Fri 1/16

12:53 pm-5:50 pm

1 stop28h 57m

Miami

Mon 1/19

10:19 am-4:28 pm

1 stop6h 09m

$326

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Sat 2/7

10:16 am-5:17 pm

1 stop7h 01m

Miami

Sat 2/14

8:15 am-12:22 pm

1 stop4h 07m

$379

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Thu 4/16

6:55 pm-10:45 pm

1 stop3h 50m

Miami

Tue 4/21

8:05 am-3:08 pm

1 stop7h 03m

$393

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Mon 5/25

6:28 pm-11:27 pm

1 stop4h 59m

Miami

Sat 5/30

5:28 pm-9:24 pm

1 stop3h 56m

$428

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Sat 2/28

7:45 am-1:12 pm

1 stop5h 27m

Miami

Sun 3/8

9:30 am-2:21 pm

1 stop4h 51m

$520

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Fri 2/20

2:48 pm-8:55 pm

1 stop6h 07m

Miami

Sun 2/22

6:57 pm-11:50 pm

1 stop4h 53m

$577

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Mon 1/26

6:05 am-10:40 am

1 stop4h 35m

Miami

Fri 1/30

8:15 am-2:20 pm

1 stop6h 05m

$617

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Thu 4/16

8:34 pm-12:26 am

1 stop3h 52m

Miami

Tue 4/21

1:40 pm-7:11 pm

2 stops5h 31m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Kingsport to Key Largo

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

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

Currently, March is the cheapest month in which you can book a flight from Kingsport to Key Largo (average of $78). Flying from Kingsport to Key Largo in February is currently the most expensive (average of $88). 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 K1N to KE9?

Find hourly flight availability from Kingsport 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 December 18, 2025.

When flying from Kingsport to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Kingsport to Key Largo. Price data was last updated on December 13, 2025.

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

Weekly flight availability from Kingsport to Key Largo

Explore weekly flight availability from Kingsport to Key Largo. 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 December 18, 2025.

The most flights from K1N to KE9 are scheduled on a Tuesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 December 18, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Kingsport to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
11,055 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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 Kingsport to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The Kingsport to Key Largo flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Kingsport to Key Largo can take about 7h 01m. Delta provides one of the quickest options available for as low as $379. The distance between Kingsport and Key Largo is about 748 mi.

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

    Consider Qatar Airways (88%), Envoy Air (83%) or American Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Kingsport to Key Largo.

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

    On average you can expect to pay $723 for a flight from Kingsport to Key Largo. The cheapest flight overall is $118 while the most popular route, (Blountville Tri Cities TN/VA - Miami) is currently priced at $228.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Kingsport to Key Largo (average of $78). Flying from Kingsport to Key Largo in February is currently the most expensive (average of $88). 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 3 airlines flying from Kingsport to Key Largo

Discover the top 3 airlines that operate flights from Kingsport 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$80Average$175FlexibilityNo cancel feeOn-time88%
DeltaCheapest$178Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$204Average$438FlexibilityNo cancel feeOn-time71%

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