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Key Largo

$192+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — MIA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 2/912:53 pm
TRI
-
MIA
1 stop5h 57m
Multiple Airlines
Fri 2/135:05 am
MIA
-
TRI
1 stop11h 23m
Multiple Airlines
Deal found 1/27$192
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 3/212:53 pm
TRI
-
MIA
1 stop9h 04m
Multiple Airlines
Wed 3/412:52 pm
MIA
-
TRI
2 stops24h 52m
Multiple Airlines
Deal found 1/28$199
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 2/2312:53 pm
TRI
-
MIA
1 stop9h 04m
Multiple Airlines
Mon 3/25:05 am
MIA
-
TRI
2 stops11h 23m
Multiple Airlines
Deal found 1/27$203
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/255:00 am
TRI
-
MIA
1 stop4h 32m
American Airlines
Tue 3/316:24 pm
MIA
-
TRI
1 stop4h 35m
American Airlines
Deal found 1/28$309
This Delta deal was found by Cheapflights users on 1/28. 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 9/1912:49 pm
TRI
-
MIA
1 stop4h 33m
Delta
Sat 9/268:05 am
MIA
-
TRI
1 stop4h 01m
Delta
Deal found 1/28$329
This Delta deal was found by Cheapflights users on 1/28. 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 9/116:55 pm
TRI
-
MIA
1 stop5h 59m
Delta
Sun 9/207:00 am
MIA
-
TRI
1 stop5h 06m
Delta
Deal found 1/28$334
This Delta deal was found by Cheapflights users on 1/28. 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 4/13:53 pm
TRI
-
MIA
1 stop6h 33m
Delta
Sat 4/46:00 am
MIA
-
TRI
1 stop7h 00m
Delta
Deal found 1/28$344
This Delta deal was found by Cheapflights users on 1/27. 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 10/166:55 pm
TRI
-
MIA
1 stop5h 57m
Delta
Sun 10/256:00 am
MIA
-
TRI
1 stop6h 04m
Delta
Deal found 1/27$383
This American Airlines deal was found by Cheapflights users on 1/28. 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 1/316:10 am
TRI
-
MIA
1 stop6h 39m
American Airlines
Wed 3/49:25 am
MIA
-
TRI
1 stop5h 34m
American Airlines
Deal found 1/28$395

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(Kiwi.com)

Popular in

April

Cheapest in

December

Average price

$610
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. 13% potential increase in price ($75 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 January 2026
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 January 29, 2026.
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 2/23

12:53 pm-9:57 pm

1 stop9h 04m

Miami

Mon 3/2

5:05 am-4:28 pm

2 stops11h 23m

$203

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Mon 2/9

12:53 pm-11:50 am

2 stops22h 57m

Miami

Fri 2/13

5:05 am-4:28 pm

1 stop11h 23m

$213

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Wed 3/4

6:05 am-11:13 am

1 stop5h 08m

Miami

Wed 3/11

7:00 am-2:21 pm

1 stop7h 21m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Wed 4/15

7:15 pm-12:54 am

1 stop5h 39m

Miami

Tue 4/21

8:05 am-1:03 pm

1 stop4h 58m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Thu 4/16

7:15 pm-12:54 am

1 stop5h 39m

Miami

Tue 4/21

8:05 am-1:03 pm

1 stop4h 58m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Wed 3/25

5:00 am-9:32 am

1 stop4h 32m

Miami

Tue 3/31

6:24 pm-10:59 pm

1 stop4h 35m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Wed 3/4

1:02 pm-4:55 pm

1 stop3h 53m

Miami

Wed 3/11

4:44 pm-10:28 pm

1 stop5h 44m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Wed 4/15

7:45 am-3:11 pm

1 stop7h 26m

Miami

Tue 4/21

2:11 pm-8:54 pm

1 stop6h 43m

$309

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Tue 6/30

10:15 am-3:43 pm

1 stop5h 28m

$219

BlountvilleMiami

TRI - MIA

TRIMIA

Blountville Tri Cities TN/VA

Tue 6/30

6:00 am-10:49 pm

2 stops16h 49m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January is currently the most expensive (average of $89). 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 January 29, 2026.

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 at noon, which can drop the price by up to 41% versus a flight in the evening.

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 January 24, 2026.

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 January 29, 2026.

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 January 29, 2026.
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
8,128 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
8,128 reviews
Delta
7.9
Good
8,128 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
11,205 reviews
Delta
7.9
Good
8,128 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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 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 11 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 5h 08m. American Airlines provides one of the quickest options available for as low as $309. The distance between Kingsport and Key Largo is about 748 mi.

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

    Consider Envoy Air (81%), Qatar Airways (75%) or American Airlines (71%) 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 $586 for a flight from Kingsport to Key Largo. The cheapest flight overall is $115 while the most popular route, (Blountville Tri Cities TN/VA - Miami) is currently priced at $192.

  • 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 January is currently the most expensive (average of $89). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$80Average$175FlexibilityNo cancel feeOn-time88%
DeltaCheapest$115Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$204Average$427FlexibilityNo cancel feeOn-time71%

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