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Key West

$63+ Cheap flights from Knoxville to Key West (TYS - EYW)

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — EYW
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Key West are usually found in November or June, booked 19 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Knoxville to Key West

Cheapest flights from Knoxville to Key West
Explore the most affordable flight options available from Knoxville to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:30 am
TYS
-
EYW
Nonstop2h 11m
Allegiant Air
Fri 8/1410:31 am
EYW
-
TYS
Nonstop2h 15m
Allegiant Air
Deal found 7/26$63
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:30 am
TYS
-
EYW
Nonstop2h 11m
Allegiant Air
Fri 8/710:31 am
EYW
-
TYS
Nonstop2h 15m
Allegiant Air
Deal found 7/25$91
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 11/28:15 am
TYS
-
EYW
Nonstop2h 04m
Allegiant Air
Fri 11/610:14 am
EYW
-
TYS
Nonstop2h 13m
Allegiant Air
Deal found 7/28$125
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:00 am
TYS
-
EYW
Nonstop2h 12m
Allegiant Air
Fri 12/112:02 pm
EYW
-
TYS
Nonstop2h 17m
Allegiant Air
Deal found 7/26$134
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:30 am
TYS
-
EYW
Nonstop2h 11m
Multiple Airlines
Fri 8/141:11 pm
EYW
-
TYS
1 stop10h 20m
Multiple Airlines
Deal found 7/24$147

Find flight deals from Knoxville to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$63
(Super.com)

Popular in

September

Cheapest in

November

Average price

$135

Good round-trip deal

$84 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Key West flights.
Search Deals
From Knoxville McGhee Tyson to Key West
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Key West.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Key West.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Key West 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 July 29, 2026.
Use the filters below to find and compare flights from Knoxville to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Mon 11/2

8:15 am-10:19 am

Nonstop2h 04m

Key West

Fri 11/6

10:14 am-12:27 pm

Nonstop2h 13m

$125

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Mon 8/10

7:30 am-9:41 am

Nonstop2h 11m

Key West

Fri 8/14

3:27 pm-8:18 pm

1 stop4h 51m

$143

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Fri 8/14

7:30 am-9:41 am

Nonstop2h 11m

Key West

Mon 8/17

10:31 am-12:46 pm

Nonstop2h 15m

$158

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Mon 11/2

2:12 pm-12:36 pm

2 stops22h 24m

Key West

Fri 11/6

10:14 am-12:27 pm

Nonstop2h 13m

$244

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Sun 12/6

9:05 pm-3:08 pm

1 stop18h 03m

Key West

Fri 12/11

2:02 pm-4:19 pm

Nonstop2h 17m

$271

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Thu 9/10

1:31 pm-10:19 am

1 stop20h 48m

Key West

Sun 9/13

6:11 pm-1:02 pm

1 stop18h 51m

$283

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Fri 9/25

8:55 pm-9:03 am

1 stop12h 08m

Key West

Mon 9/28

12:59 pm-3:19 pm

1 stop26h 20m

$292

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Sun 12/6

11:00 am-10:06 am

2 stops23h 06m

Key West

Fri 12/11

2:02 pm-4:19 pm

Nonstop2h 17m

$298

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Mon 12/7

12:34 pm-5:07 pm

1 stop4h 33m

Key West

Mon 12/14

6:02 pm-11:57 pm

1 stop5h 55m

$319

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Thu 10/22

12:06 pm-5:15 pm

1 stop5h 09m

Key West

Sat 10/24

6:11 pm-10:22 pm

1 stop4h 11m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Key West in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Knoxville 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 Knoxville to Key West

How far ahead should I book a flight from Knoxville to Key West?

To ensure you get the cheapest price possible for a flight from Knoxville to Key West, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Knoxville to Key West?

Currently, November is the cheapest month in which you can book a flight from Knoxville to Key West (average of $126). Flying from Knoxville to Key West in September is currently the most expensive (average of $308). 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 TYS to EYW?

Find hourly flight availability from Knoxville to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Key West as you normally would.

How much does it cost to fly round-trip from Knoxville to Key West?

Airfare is below average for this route at the moment.

Knoxville to Key West flights typically cost between $84 and $395 in August.
The cheapest round-trip price found within the last 5 days was $63 on Allegiant Air (Aug 10-Aug 14).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 West. Reviews last updated July 29, 2026.
See what other customers who have flown with Delta,Allegiant Air, andAmerican Airlines from Knoxville to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Allegiant Air
7.3
Good
681 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
American Airlines
7.1
Good
11,839 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Key West. 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 Knoxville to Key West flight route?

    Flights from Knoxville McGhee Tyson to Key West have been viewed 2 times in the past calendar month.

  • How long is the flight from Knoxville to Key West?

    Allegiant Air can get you from Knoxville to Key West in just under 2h 04m. Your travel time will be generally consistent. The distance between Knoxville and Key West is about 788 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Knoxville to Key West round-trip?

    According to our current data, Allegiant Air ($79), American Airlines ($250), and Delta ($268) offers the cheapest pricing from Knoxville to Key West. Allegiant Air is currently priced 59% below the average price you’ll pay for this route.

  • What are the cheapest flights from Knoxville to Key West?

    Looking for the cheapest flight from Knoxville to Key West? While on average our users pay $143, our data indicates the cheapest price to be $67. The most popular route (Knoxville McGhee Tyson - Key West), is priced around $115.

  • Can I find deals for flights from Knoxville to Key West that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Key West?

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

  • Can I find deals for business class flights from Knoxville to Key West?

    Yes. Cheapflights offers flight deals from Knoxville to Key West 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 Knoxville to Key West?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to Key West (average of $126). Flying from Knoxville to Key West in September is currently the most expensive (average of $308). 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 Knoxville to Key West

Discover the top 3 airlines that operate flights from Knoxville to Key West. 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$145FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$250Average$448FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$395FlexibilityNo cancel feeOn-timeN/A

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