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103 € Cheap Flights from Knoxville to Key West International

Compare Knoxville to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

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Flight deals from Knoxville to Key West International

Looking for a cheap last-minute deal or the best return flight from Knoxville to Key West International? Find the lowest prices on one-way and return tickets right here.
Key West.103 € per passenger.Departing Fri, 9 Jan, returning Mon, 12 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 9 Jan, arriving in Key West International.Inbound direct flight with Allegiant Air departs from Key West International on Mon, 12 Jan, arriving in Knoxville.Price includes taxes and charges.From 103 €, select.
Key West.152 € per passenger.Departing Fri, 5 Dec, returning Mon, 8 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 5 Dec, arriving in Key West International.Inbound direct flight with Allegiant Air departs from Key West International on Mon, 8 Dec, arriving in Knoxville.Price includes taxes and charges.From 152 €, select.
Key West.215 € per passenger.Departing Sat, 2 Aug, returning Wed, 6 Aug.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Knoxville on Sat, 2 Aug, arriving in Key West International.Inbound indirect flight with Allegiant Air, departs from Key West International on Wed, 6 Aug, arriving in Knoxville.Price includes taxes and charges.From 215 €, select.
Key West.275 € per passenger.Departing Tue, 22 Jul, returning Tue, 29 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Tue, 22 Jul, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Tue, 29 Jul, arriving in Knoxville.Price includes taxes and charges.From 275 €, select.
Key West.295 € per passenger.Departing Sat, 8 Nov, returning Thu, 13 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Sat, 8 Nov, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Thu, 13 Nov, arriving in Knoxville.Price includes taxes and charges.From 295 €, select.
Key West.394 € per passenger.Departing Sun, 31 Aug, returning Sun, 7 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Sun, 31 Aug, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sun, 7 Sep, arriving in Knoxville.Price includes taxes and charges.From 394 €, select.
Key West.395 € per passenger.Departing Mon, 1 Sep, returning Sun, 7 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Mon, 1 Sep, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sun, 7 Sep, arriving in Knoxville.Price includes taxes and charges.From 395 €, select.

Find the cheapest month to fly from Knoxville to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Key West International flights are currently cheapest in January.
Jul
from 275 €
Aug
from 215 €
Sep
from 395 €
Oct
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Nov
from 295 €
Dec
from 152 €
Jan
from 103 €
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Knoxville to Key West International

Knoxville to Key West International: Alternative routes

Compare routes from Knoxville to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Knoxville to Key West: Flight information

The things to know before you go.
Cheapest flight found103 €
Cheapest month to flyJanuary
Average flight time2 hrs, 11 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Knoxville to Key West International: Frequently asked questions

The best price we found for a return flight from Knoxville to Key West International is 103 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 11 minutes is the average flight time from Knoxville to Key West International.
Allegiant Air flies direct from Knoxville to Key West International.
As of July 2025, there are 3 flights per week flying from Knoxville to Key West International.
The cheapest month to fly from Knoxville to Key West International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Key West International Airport on Friday, 9 January 2026.
Yes – the average flight time is 2 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Key West International.

Travelling from McGhee Tyson Airport (TYS) to Key West International Airport (EYW): what you need to know

  • Leave enough time to make your TYS to EYW flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like July? School holidays and other popular seasons can lead to longer queues and delays at check-in and security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from McGhee Tyson Airport (TYS) to Key West International Airport (EYW)

  • 52 € is the lowest price for a one-way McGhee Tyson Airport to Key West International Airport flight. Return flights start at 103 €. These fares may change depending on availability.

  • To score cheap tickets from TYS to EYW, book early. Airlines generally offer lower prices when flights are first released.

  • Getting cheap flights from McGhee Tyson Airport to Key West International Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares throughout the month and bag a great deal.

  • Never miss a deal on cheap flights from TYS to EYW by creating a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.

  • Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from McGhee Tyson Airport to Key West International Airport.

Handy information about McGhee Tyson Airport (TYS)

  • The address for TYS is 2055 Alcoa Highway.

  • When it comes to McGhee Tyson Airport's on-time performance, 78.98% of flights arrive within the expected timeframe.

  • McGhee Tyson Airport is around 23 kilometres from central Knoxville. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Catching an early flight from McGhee Tyson Airport to Key West International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near TYS:

Arriving at Key West International Airport (EYW)

Getting from Key West International Airport (EYW) to central Key West

  • You'll find EYW at 3491 South Roosevelt Boulevard.

  • From Key West International Airport, Key West is approximately 3 kilometres away. It takes around 5 minutes to drive to the centre.

  • It takes roughly 40 minutes if you're travelling on public transport.

When to fly to Key West International Airport (EYW)

  • The quietest month for a flight from McGhee Tyson Airport to Key West International Airport is February, while January is the busiest. Choose the ideal time to go to Key West based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from McGhee Tyson Airport to Key West International Airport, consider the type of weather you like. August is the warmest month in Key West, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • January sees average temperatures of between 18ºC (64ºF) and 23ºC (73ºF). Search for cheap tickets from TYS to EYW around that time if you like travelling in cooler conditions.

Explore more of United States

  • Miami is just one of the many cities in United States waiting to be discovered after you've experienced Key West. Around 209 kilometres away to the north-east, top sights here include Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

  • Tampa is another essential stop in United States and is around 386 kilometres north of Key West. No journey is complete without dropping by Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium.

Plan the rest of your trip from Knoxville to Key West

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.