Cheap Flights from Knoxville, TN to Key West, FL from $96
On Cheapflightsplus.com you will find 93 connecting flights from Knoxville to Key West. You can compare airfare deals from 1 airlines and multiple travel sites from $96, book and save on cheap plane tickets and last minute offers. Also check out TYS-EYW flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Knoxville to Key West depends on and how to choose the most interesting flight option for you.
Distance between Knoxville and Key West is 1270 miles. Time difference between the cities is 0h. Airplanes depart 06:00 to 21:31 from 1 Knoxville airport and arrive 06:00 to 21:31 to 2 Key West airports. Average flight time is 26h 13m.
- The fastest flight 6h 1m
- Average flight time 26h 13m
- The earliest flight 06:00
- The latest flight 21:31
- Distance 790 ml
Best Flights from Knoxville to Key West Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $96 | 14:23 Knoxville Mc Ghee Tyson | 14:10+1 день Key West Key West Int. | 23h 47m layover 21h 2m - Sanford | Allegiant Air | G43062 G41340 |
from $112 | 18:19 Knoxville Mc Ghee Tyson | 09:43+1 день Key West Key West Int. | 15h 24m layover 12h 40m - Sanford | Allegiant Air | G43027 G42877 |
from $151 | 10:54 Knoxville Mc Ghee Tyson | 15:26+1 день Key West Key West Int. | 28h 32m layover 8h 12m - Miami 14h 16m - Fletcher | Allegiant Air | G4494 G4248 G4975 |
from $178 | 07:00 Knoxville Mc Ghee Tyson | 16:36+1 день Key West Key West Int. | 33h 36m layover 9h 3m - Clearwater 17h 52m - Pittsburgh | Allegiant Air | G43038 G42672 G41055 |
The cheapest months to travel to Key West are august (from 96 $), july (from 99 $), october (from 112 $).
The most expensive months are september (from 186 $), october (from 112 $), july (from 99 $).
What is the lowest airfare Knoxville to Key West?
The cheapest plane ticket found by our users is $96. This airfare is for economy class on one-way G43062 flight by Allegiant Air for August 16, 2025 which leaves Mc Ghee Tyson in Knoxville at 14:23 am and arrives at Key West Key West Int. at 14:10.
Flight Schedule Knoxville (Tennessee) to Key West (Florida)
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Popular Airlines on the Route
The flight Knoxville — Key West is served by 1 regular airline and 1 low-cost airline. Most of the flights on this route are operated by Allegiant Air - 93 departures per week at the price of from $ 96 . And the most expensive tickets are offered by Allegiant Air airline - from $ 386.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 93 flights with layovers on the route. The fastest connecting flight is G41404 by Allegiant Air takes 6h 1m and the cheapest is G43062 by Allegiant Air for $96.
- G4 - Allegiant Airfrom $96Find
Airports
You can fly from Knoxville to Key West from 1 airports (Mc Ghee Tyson).
Knoxville airports
- Mc Ghee Tyson-TYSfrom $96Find
Key West airports
- NAS-NQXFind
- Key West Int.-EYWFind
Airplanes
There are flights to Key West from Knoxville by 1 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Knoxville
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Top International Destinations from Knoxville
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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