What is the cheapest airline that flies from Tennessee to Florida Keys?

Spirit Airlines, American Airlines, and Southwest are the most popular carriers operating from Tennessee to Florida Keys

How many flights depart from Tennessee to Florida Keys on average per week?

The number of flights available between Tennessee and Florida Keys is 122 per week as of September 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

What airlines fly to Florida Keys?

American Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Florida Keys from Tennessee according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 4 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How long is the flight from Tennessee to Florida Keys?

On average, it takes 10h 58m to fly from Tennessee to Florida Keys if you fly out of Nashville (the most popular airport in Tennessee) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Memphis and into Copenhagen, then the flight time is around 14h 01m.

When did momondo last update prices for flights from Tennessee to Florida Keys?

Prices for flights from Tennessee to Florida Keys refresh daily.

How many operators does momondo search for flights from Tennessee to Florida Keys?

As of September 2025, there are 7 operators available to choose from for flights from Tennessee to Florida Keys.

How old do you have to be to fly from Tennessee to Florida Keys?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tennessee to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$42 Cheap Flights from Tennessee to Florida Keys in 2025/26

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Find the cheapest flights from Tennessee to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:45 am - 9:04 amBNA-MIA

2h 19mnonstop

6:20 am - 7:37 amMIA-BNA

2h 17mnonstop

$80Spirit Airlines

Find Deal

Thu, Oct 16 - Sat, Oct 25

2:06 pm - 5:26 pmBNA-MIA

2h 20mnonstop

11:28 am - 1:01 pmMIA-BNA

2h 33mnonstop

$84Spirit Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

12:55 pm - 3:06 pmTYS-EYW

2h 11mnonstop

2:57 pm - 5:12 pmEYW-TYS

2h 15mnonstop

$104Allegiant Air

Find Deal

Mon, Oct 20 - Mon, Oct 27

2:02 pm - 7:59 pmBNA-MIA

28h 57m1 stop

6:00 am - 7:17 amMIA-BNA

2h 17mnonstop

$122Multiple Airlines

Find Deal

Thu, Oct 16 - Mon, Oct 20

2:02 pm - 7:59 pmBNA-MIA

28h 57m1 stop

6:00 am - 7:17 amMIA-BNA

2h 17mnonstop

$123Multiple Airlines

Find Deal

Thu, Oct 16 - Mon, Oct 20

6:58 pm - 6:52 pmBNA-MIA

22h 54m1 stop

7:51 am - 6:54 pmMIA-BNA

12h 03m1 stop

$158Frontier

Find Deal

Fri, Oct 17 - Sun, Oct 19

5:05 pm - 8:25 pmBNA-MIA

2h 20mnonstop

7:25 pm - 8:55 pmMIA-BNA

2h 30mnonstop

$159Southwest

Find Deal

Tue, Nov 11 - Thu, Nov 13

3:42 pm - 6:19 amBNA-MIA

13h 37m1 stop

6:00 am - 2:47 pmMIA-BNA

9h 47m1 stop

$166Frontier

Find Deal

Sat, Nov 8 - Sat, Nov 15

6:10 pm - 9:02 amTYS-EYW

14h 52m1 stop

3:05 pm - 5:20 pmEYW-TYS

2h 15mnonstop

$173Allegiant Air

Find Deal

Fri, Oct 31 - Mon, Nov 3

3:40 pm - 10:05 pmMEM-MIA

5h 25m1 stop

7:20 am - 1:10 pmMIA-MEM

6h 50m1 stop

$259Southwest

Find Deal

Mon, Oct 20 - Fri, Oct 24

American Airlines flights from Tennessee to Florida Keys

Our best American Airlines deals on Tennessee to Florida Keys flight tickets

American Airlines

Oct 28

TYS6:15 amKnoxville McGhee Tyson

2h 07m

MIA8:22 amMiami

Nov 6

MIA9:40 pmMiami

2h 19m

TYS11:59 pmKnoxville McGhee Tyson

$163

Find similar

American Airlines

Oct 21

TYS6:15 amKnoxville McGhee Tyson

2h 07m

MIA8:22 amMiami

Oct 28

MIA9:24 pmMiami

2h 15m

TYS11:39 pmKnoxville McGhee Tyson

$173

Find similar

American Airlines

Jan 7

TYS5:15 pmKnoxville McGhee Tyson

2h 19m

MIA7:34 pmMiami

Jan 10

MIA2:22 pmMiami

2h 21m

TYS4:43 pmKnoxville McGhee Tyson

$179

Find similar

Frontier flights from Tennessee to Florida Keys

Our best Frontier deals on Tennessee to Florida Keys flight tickets

Frontier

Oct 17

BNA6:58 pmNashville Intl

22h 54m

1 stop

MIA6:52 pmMiami

Oct 19

MIA7:51 amMiami

12h 03m

1 stop

BNA6:54 pmNashville Intl

$158

Find similar

Frontier

Nov 8

BNA3:42 pmNashville Intl

13h 37m

1 stop

MIA6:19 amMiami

Nov 15

MIA6:00 amMiami

9h 47m

1 stop

BNA2:47 pmNashville Intl

$166

Find similar

Frontier

Nov 6

TYS7:17 pmKnoxville McGhee Tyson

11h 02m

1 stop

MIA6:19 amMiami

Nov 16

MIA6:00 amMiami

12h 22m

1 stop

TYS6:22 pmKnoxville McGhee Tyson

$172

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Thu 10/16

5:45 am-9:04 am

Nonstop2h 19m

Miami

Sat 10/25

6:20 am-7:37 am

Nonstop2h 17m

$80

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sat 11/8

2:06 pm-5:26 pm

Nonstop2h 20m

Miami

Sat 11/15

11:28 am-1:01 pm

Nonstop2h 33m

$84

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Mon 10/20

12:55 pm-3:06 pm

Nonstop2h 11m

Key West

Mon 10/27

2:57 pm-5:12 pm

Nonstop2h 15m

$104

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Thu 10/16

2:02 pm-7:59 pm

1 stop28h 57m

Miami

Mon 10/20

6:00 am-7:17 am

Nonstop2h 17m

$122

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Thu 10/16

2:02 pm-7:59 pm

1 stop28h 57m

Miami

Mon 10/20

6:00 am-7:17 am

Nonstop2h 17m

$123

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Fri 10/17

6:58 pm-6:52 pm

1 stop22h 54m

Miami

Sun 10/19

7:51 am-6:54 pm

1 stop12h 03m

$158

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Tue 11/11

5:05 pm-8:25 pm

Nonstop2h 20m

Miami

Thu 11/13

7:25 pm-8:55 pm

Nonstop2h 30m

$159

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sat 11/8

3:42 pm-6:19 am

1 stop13h 37m

Miami

Sat 11/15

6:00 am-2:47 pm

1 stop9h 47m

$166

KnoxvilleKey West

TYS - EYW

TYSEYW

Knoxville McGhee Tyson

Fri 10/31

6:10 pm-9:02 am

1 stop14h 52m

Key West

Mon 11/3

3:05 pm-5:20 pm

Nonstop2h 15m

$173

MemphisMiami

MEM - MIA

MEMMIA

Memphis

Mon 10/20

3:40 pm-10:05 pm

1 stop5h 25m

Miami

Fri 10/24

7:20 am-1:10 pm

1 stop6h 50m

$259

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How to get the cheapest flight ticket from Tennessee to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Tennessee averaging around $232.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Tennessee to Florida Keys is on a Thursday when prices can be found for as low as $485. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $543.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is at noon. momondo users have found flights departing from Tennessee to Florida Keys at noon for as low as $347. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $522.

What is the cheapest Tennessee to Florida Keys flight route?

Fly from Knoxville McGhee Tyson to Key West for the best Tennessee - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $315 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Tennessee for as low as $247 on momondo.

What cabin class options are available on Tennessee to Florida Keys flights?

There is only 1 cabin class available to choose from on Tennessee to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tennessee to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Tennessee to Florida Keys.

Cheap Tennessee to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tennessee to Florida Keys

Fastest flight time	2h 07m
Direct flights	Every day
Airports in Florida Keys	2 airports

The fastest flight from Tennessee to Florida Keys takes 2h 07m

Direct flights go from Tennessee to Florida Keys every day.

There are 2 airports near Florida Keys: Key West (EYW), Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Tennessee to Florida Keys?
Prices for flights from Tennessee to Florida Keys refresh daily.
How many operators does momondo search for flights from Tennessee to Florida Keys?
As of September 2025, there are 7 operators available to choose from for flights from Tennessee to Florida Keys.
How old do you have to be to fly from Tennessee to Florida Keys?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tennessee to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Tennessee to Florida Keys?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Tennessee to Florida Keys is Boeing 737 MAX 8 (17.84% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (11.63%), Airbus A320-100/200 (8.25%), and Embraer 175 (7.67%).

Best airlines flying from Tennessee to Florida Keys

Compare and see reviews for airlines that fly from Tennessee to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $80	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
American Airlines	PriceFrom $223	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $293	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Tennessee to Florida Keys?

Finding the right flight to Florida Keys from Tennessee is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Florida Keys quick and easy, saving you time and money.

Can I find flights from Tennessee to Florida Keys with flexible booking policies on momondo?

Yes. All flights to Florida Keys from Tennessee on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Tennessee to Florida Keys?

momondo helps you find the best flight between Tennessee and Florida Keys by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Tennessee to Florida Keys right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Florida Keys, momondo offers a useful price alert feature which will track prices for flights to Florida Keys from Tennessee and alert you when they change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Thu 10/23

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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

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Flights to San Franciscofrom $60

Flights to Washington, D.C.from $56

Flights to Bostonfrom $67

Flights to Atlantafrom $51

Flights to Dallasfrom $59

Flights to Seattlefrom $102

Cheap flights from Tennessee to Florida Keys from $42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tennessee to Florida Keys departing on 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Tennessee to Florida Keys

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Tennessee to Florida Keys

Our best American Airlines deals on Tennessee to Florida Keys flight tickets

Frontier flights from Tennessee to Florida Keys

Our best Frontier deals on Tennessee to Florida Keys flight tickets

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Use the filters below to find and compare flights from Tennessee to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Tennessee to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Tennessee averaging around $232.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Tennessee to Florida Keys is on a Thursday when prices can be found for as low as $485. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $543.

What is the cheapest time of day to depart on your flight to Florida Keys?

What is the cheapest Tennessee to Florida Keys flight route?

Fly from Knoxville McGhee Tyson to Key West for the best Tennessee - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

What cabin class options are available on Tennessee to Florida Keys flights?

There is only 1 cabin class available to choose from on Tennessee to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tennessee to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Tennessee to Florida Keys.

What is the cheapest airline that flies from Tennessee to Florida Keys?

Spirit Airlines, American Airlines, and Southwest are the most popular carriers operating from Tennessee to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Tennessee to Florida Keys on average per week?

The number of flights available between Tennessee and Florida Keys is 122 per week as of September 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

How long is the flight from Tennessee to Florida Keys?

On average, it takes 10h 58m to fly from Tennessee to Florida Keys if you fly out of Nashville (the most popular airport in Tennessee) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Memphis and into Copenhagen, then the flight time is around 14h 01m.

Cheap Tennessee to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tennessee to Florida Keys

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Tennessee to Florida Keys?

How many operators does momondo search for flights from Tennessee to Florida Keys?

How old do you have to be to fly from Tennessee to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Tennessee to Florida Keys?

Best airlines flying from Tennessee to Florida Keys

Compare and see reviews for airlines that fly from Tennessee to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Tennessee to Florida Keys?

Can I find flights from Tennessee to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Tennessee to Florida Keys?

I’m not ready to book a flight from Tennessee to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo