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

According to our current data, American Airlines ($199), Allegiant Air ($262), and United Airlines ($324) offers the cheapest pricing from Knoxville to Key West. American Airlines is currently priced 57% below the average price you’ll pay for this route.

What is the cheapest day to fly from Knoxville to Key West?

Travelers seeking maximum savings on their Knoxville to Key West flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Knoxville to Key West?

The most popular airlines flying from Knoxville to Key West are American Airlines, Delta and Allegiant Air. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Knoxville to Key West?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Key West. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Knoxville to Key West, book at least 51 days before your planned departure. Booking around this time can save you about 287% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $276 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $580.

What is the cheapest month to fly from Knoxville to Key West?

Our data shows that March tends to be the cheapest month to fly to Key West from Knoxville. Users have commonly found prices around $464 for the month, but tickets can be as low as $78. Due to multiple factors, prepare for potentially higher prices in June.

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.

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.

$199+ Save on Flights from Knoxville to Key West

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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The best prices from Knoxville McGhee Tyson to Key West are usually found in March or January, booked 51 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Knoxville to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$199 (American Airlines)
Popular in	June
Cheapest in	March
Average price	$327

Provider with most accurate pricing for Knoxville McGhee Tyson-Key West flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Key West flights.

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From Knoxville McGhee Tyson to Key West

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find 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 March 3, 2025.

Tue 3/256:53 amTYS - EYW

1 stop4h 10mAmerican Airlines

Tue 4/13:57 pmEYW - TYS

1 stop6h 57mAmerican Airlines

Deal found 3/3

$199

Sat 6/146:29 pmTYS - EYW

1 stop13h 34mAllegiant Air

Sat 6/214:03 pmEYW - TYS

1 stop5h 35mAllegiant Air

Deal found 3/2

$260

Fri 3/72:00 pmTYS - EYW

1 stop7h 03mUnited Airlines

Tue 3/113:59 pmEYW - TYS

1 stop6h 46mUnited Airlines

Deal found 3/2

$324

Wed 4/161:25 pmTYS - EYW

2 stops27h 24mMultiple Airlines

Tue 4/222:34 pmEYW - TYS

2 stops27h 00mMultiple Airlines

Deal found 3/2

$379

Fri 10/104:00 pmTYS - EYW

1 stop3h 46mDelta

Fri 10/172:35 pmEYW - TYS

1 stop3h 42mDelta

Deal found 3/2

$449

Best flights from Knoxville to Key West
Discover carefully curated flight deals from Knoxville to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2025.

Tue 3/256:53 amTYS - EYW

1 stop4h 10mAmerican Airlines

Tue 4/13:57 pmEYW - TYS

1 stop6h 57mAmerican Airlines

Deal found 3/3

$199

Wed 3/129:41 amTYS - EYW

1 stop22h 22mAllegiant Air

Mon 3/175:08 pmEYW - TYS

1 stop14h 53mAllegiant Air

Deal found 3/2

$262

Fri 3/72:00 pmTYS - EYW

1 stop7h 03mUnited Airlines

Tue 3/113:59 pmEYW - TYS

1 stop6h 46mUnited Airlines

Deal found 3/2

$324

Wed 4/161:25 pmTYS - EYW

2 stops27h 24mMultiple Airlines

Tue 4/222:34 pmEYW - TYS

2 stops27h 00mMultiple Airlines

Deal found 3/2

$379

Last-minute flights from Knoxville to Key West
Discover last-minute flight deals from Knoxville to Key West. Data last updated March 3, 2025 and is based on user searches.

Fri 3/72:00 pmTYS - EYW

1 stop7h 03mUnited Airlines

Tue 3/113:59 pmEYW - TYS

1 stop6h 46mUnited Airlines

Deal found 3/2

$324

Wed 3/129:41 amTYS - EYW

1 stop22h 22mAllegiant Air

Mon 3/175:08 pmEYW - TYS

1 stop14h 53mAllegiant Air

Deal found 3/2

$262

Wed 3/125:40 amTYS - EYW

2 stops13h 15mUnited Airlines

Mon 3/1712:45 pmEYW - TYS

2 stops10h 00mUnited Airlines

Deal found 3/2

$422

Tue 3/256:53 amTYS - EYW

1 stop4h 10mAmerican Airlines

Tue 4/13:57 pmEYW - TYS

1 stop6h 57mAmerican Airlines

Deal found 3/3

$199

Wed 4/161:25 pmTYS - EYW

2 stops27h 24mMultiple Airlines

Tue 4/222:34 pmEYW - TYS

2 stops27h 00mMultiple Airlines

Deal found 3/2

$379

Find flights from Knoxville to Key West within your budget

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Tue 3/25

6:53 am-11:03 am

1 stop4h 10m

Key West

Tue 4/1

3:57 pm-10:54 pm

1 stop6h 57m

$199

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Wed 3/12

9:41 am-8:03 am

1 stop22h 22m

Key West

Mon 3/17

5:08 pm-8:01 am

1 stop14h 53m

$262

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Fri 3/7

2:00 pm-9:03 pm

1 stop7h 03m

Key West

Tue 3/11

3:59 pm-10:45 pm

1 stop6h 46m

$324

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Wed 4/16

1:25 pm-4:49 pm

2 stops27h 24m

Key West

Tue 4/22

2:34 pm-5:34 pm

2 stops27h 00m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Compare providers for flights from Knoxville to Key West

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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.

Travel insights for flights from Knoxville to Key West

Get recent, data-driven insights about flights from Knoxville to Key West including ideal travel times, pricing trends, and more.

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 50 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, August is the cheapest month in which you can book a flight from Knoxville to Key West (average of $328). Flying from Knoxville to Key West in March is currently the most expensive (average of $503). 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?

A simple way to save on the total cost of your ticket is to fly from Knoxville to Key West at noon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

Rainfall in Key West by month

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

United Airlines

7.4

Good

8,679 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,679 reviews

United Airlines

7.4

Good

8,679 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Allegiant Air

7.3

Good

752 reviews

United Airlines

7.4

Good

8,679 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,679 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What are the cheapest airlines flying from Knoxville to Key West round-trip?
According to our current data, American Airlines ($199), Allegiant Air ($262), and United Airlines ($324) offers the cheapest pricing from Knoxville to Key West. American Airlines is currently priced 57% below the average price you’ll pay for this route.
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, August is the cheapest month in which you can book a flight from Knoxville to Key West (average of $328). Flying from Knoxville to Key West in March is currently the most expensive (average of $503). 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

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Key West

Top 3 airlines flying from Knoxville to Key West

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$78	Average$213	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$208	Average$491	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$248	Average$472	FlexibilityNo cancel fee	On-time71%

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$199+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Key West with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Knoxville McGhee Tyson to Key West are usually found in March or January, booked 51 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Knoxville to Key West

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Key West

Cheapest flights from Knoxville to Key WestExplore 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 March 3, 2025.

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 March 3, 2025.

Find flights from Knoxville to Key West within your budget

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 March.

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.

Travel insights for flights from Knoxville to Key West

Get recent, data-driven insights about flights from Knoxville to Key West including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Key West. Price data was last updated on February 28, 2025.

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

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 March 3, 2025.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

Reviews of airlines servicing Key West

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.

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Key West

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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 March 3, 2025.