HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$44+ Cheap flights from Nashville (BNA) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Nashville to Key Largo with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Nashville Intl to Key Largo are usually found in September or August, booked 88 days in advance, depart on a Friday or Thursday and return on a Thursday

Find flight deals from Nashville to Key Largo

Cheapest flights from Nashville to Key Largo
Explore the most affordable flight options available from Nashville to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:38 pmBNA - MIA
Nonstop2h 16mMultiple Airlines
Sun 11/166:00 amMIA - BNA
1 stop9h 47mMultiple Airlines
Deal found 11/2$121
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:38 pmBNA - MIA
Nonstop2h 16mMultiple Airlines
Thu 11/207:24 pmMIA - BNA
1 stop22h 12mMultiple Airlines
Deal found 11/1$123
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:32 pmBNA - MIA
Nonstop2h 28mAmerican Airlines
Sat 12/1310:50 pmMIA - BNA
Nonstop2h 27mAmerican Airlines
Deal found 11/2$137
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:42 pmBNA - MIA
1 stop13h 37mMultiple Airlines
Sun 11/163:04 pmMIA - BNA
Nonstop2h 29mMultiple Airlines
Deal found 10/31$139
This CheapOair deal was found by Cheapflights users on 10/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:38 pmBNA - MIA
Nonstop2h 16mSpirit Airlines
Sun 11/163:04 pmMIA - BNA
Nonstop2h 29mSpirit Airlines
Deal found 10/31$140
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:42 pmBNA - MIA
1 stop13h 37mMultiple Airlines
Sun 11/163:04 pmMIA - BNA
Nonstop2h 29mMultiple Airlines
Deal found 11/1$142
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:18 pmBNA - MIA
2 stops22h 26mSpirit Airlines
Sun 11/163:04 pmMIA - BNA
Nonstop2h 29mSpirit Airlines
Deal found 10/31$144
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:38 pmBNA - MIA
Nonstop2h 16mSpirit Airlines
Sun 11/93:04 pmMIA - BNA
Nonstop2h 29mSpirit Airlines
Deal found 11/1$145

Cheap flight deals from Nashville to Key Largo

Keep the following information in mind while searching for Nashville to Key Largo flight deals. Data was last updated November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$101
(Kiwi.com)

One-way from

$44
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$288
Provider with most accurate pricing for Nashville Intl-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Miami flights.
Search Deals
From Nashville Intl to Key Largo
Search Deals
One-way flight from Nashville Intl to Key Largo
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nashville to Key Largo 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 November 2, 2025.
Use the filters below to find and compare flights from Nashville to Key Largo that are best for you.

Fly from

Nashville

Fly to

Key Largo

Route

Depart

Return

Price

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Fri 1/23

2:06 pm-5:26 pm

Nonstop2h 20m

Miami

Tue 1/27

8:00 am-8:52 pm

1 stop13h 52m

$142

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sun 1/18

3:37 pm-7:11 pm

Nonstop2h 34m

Miami

Sun 2/1

6:33 am-8:11 am

Nonstop2h 38m

$156

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Fri 1/23

2:06 pm-5:26 pm

Nonstop2h 20m

Miami

Tue 1/27

3:42 pm-8:52 pm

2 stops30h 10m

$160

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sun 1/11

5:10 am-11:50 am

1 stop5h 40m

Miami

Sat 1/17

9:45 am-6:05 pm

2 stops9h 20m

$171

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Wed 12/3

5:55 am-12:05 pm

1 stop5h 10m

Miami

Sat 12/6

6:05 am-3:00 pm

2 stops9h 55m

$172

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sun 1/18

8:23 am-8:58 pm

1 stop11h 35m

Miami

Sun 2/1

6:10 am-6:17 pm

2 stops37h 07m

$173

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sun 1/18

8:23 am-8:58 pm

1 stop11h 35m

Miami

Sun 2/1

1:56 pm-1:06 pm

1 stop24h 10m

$174

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Sat 1/24

6:00 pm-12:51 am

1 stop5h 51m

Miami

Sun 2/1

7:15 am-12:15 pm

1 stop6h 00m

$197

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Mon 12/15

5:15 am-11:21 am

1 stop5h 06m

Miami

Thu 12/25

6:00 am-11:44 am

1 stop6h 44m

$197

NashvilleMiami

BNA - MIA

BNAMIA

Nashville Intl

Wed 12/31

11:54 am-8:31 pm

1 stop7h 37m

Miami

Sun 2/8

8:00 am-8:52 pm

1 stop13h 52m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Nashville to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Nashville 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 Nashville to Key Largo

How far ahead should I book a flight from Nashville to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Nashville to Key Largo. Price data was last updated on October 31, 2025.

To ensure you get the cheapest price possible for a flight from Nashville to Key Largo, you should look to book at least 88 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 Nashville to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Nashville to Key Largo (average of $59). Flying from Nashville to Key Largo in January is currently the most expensive (average of $80). 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 BNA to KE9?

Find hourly flight availability from Nashville to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

It’s optimal to fly from Nashville to Key Largo in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Nashville to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Nashville to Key Largo. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Nashville to Key Largo

Explore weekly flight availability from Nashville to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 2, 2025.

The most flights from BNA to KE9 are scheduled on a Sunday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Largo. Reviews last updated November 2, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Nashville to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Allegiant Air
7.2
Good
694 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,121 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Nashville to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Nashville to Key Largo?

    If you book a flight to Key Largo from Nashville, you will be flying from Nashville Intl, which is the city’s only airport. Nashville Intl (BNA) is located 6.0 mi from the center of Nashville. There are 7 flights from Nashville Intl to Key Largo per day from 5 different airlines.

  • How popular is this Nashville to Key Largo flight route?

    The Nashville Intl to Key Largo flight path was viewed by 112 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Nashville to Key Largo?

    Departing from Nashville to Key Largo will take you 2h 20m. There are 807 mi between Nashville and Key Largo. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Nashville to Key Largo one-way?

    The cheapest airlines for a one-way flight from Nashville to Key Largo are Spirit Airlines ($54), American Airlines ($69), and Southwest ($69).

  • What are the most reliable airlines from Nashville to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Nashville to Key Largo consider choosing Iberia (81%), Spirit Airlines (81%) or Royal Air Maroc (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Nashville to Key Largo?

    While on average a flight from Nashville to Key Largo is generally $898, our data shows the cheapest flight currently is $45. When looking at the most popular route, (Nashville Intl - Miami), you can expect to pay $78 for that flight.

  • Can I find deals for flights from Nashville to Key Largo that include hotel bookings?

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

  • How can I find direct flights from Nashville to Key Largo?

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

  • Can I find deals for business class flights from Nashville to Key Largo?

    Yes. Cheapflights offers flight deals from Nashville to Key Largo 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 Nashville to Key Largo?

    Currently, March is the cheapest month in which you can book a flight from Nashville to Key Largo (average of $59). Flying from Nashville to Key Largo in January is currently the most expensive (average of $80). 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

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

Alternative routes for Nashville to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Orlando flights
Nashville to Miami flights
Nashville to Fort Lauderdale flights
Memphis to Orlando flights
Memphis to Miami flights
Nashville to Tampa flights
Chattanooga to Orlando flights
Memphis to Pensacola flights
Nashville to West Palm Beach flights
Knoxville to Orlando Sanford Intl flights
Memphis to St Petersburg flights
Knoxville to Miami flights
Knoxville to Fort Lauderdale flights
Knoxville to Orlando flights
Nashville to Sarasota flights
Chattanooga to Orlando Sanford Intl flights
Memphis to Tampa flights
Chattanooga to Tampa flights
Knoxville to Sarasota flights
Nashville to Key West flights
Nashville to Jacksonville flights
Nashville to Fort Myers flights
Chattanooga to Miami flights
Memphis to Fort Lauderdale flights
Nashville to Pensacola flights
Knoxville to Tampa flights
Chattanooga to Fort Lauderdale flights
Memphis to Sarasota flights
Chattanooga to Sarasota flights
Knoxville to Key West flights
Nashville to Panama City flights
Memphis to Orlando Sanford Intl flights
Knoxville to St Petersburg flights
Chattanooga to Jacksonville flights
Memphis to Jacksonville flights
Blountville to Orlando flights
Nashville to Melbourne flights
Memphis to Fort Myers flights
Nashville to Tallahassee flights
Blountville to Fort Lauderdale flights
Memphis to Key West flights
Knoxville to Jacksonville flights
Memphis to West Palm Beach flights
Knoxville to Fort Myers flights
Chattanooga to Fort Myers flights
Knoxville to Gainesville flights
Chattanooga to West Palm Beach flights
Knoxville to Pensacola flights
Blountville to Miami flights
Nashville to Gainesville flights

Top 5 airlines flying from Nashville to Key Largo

Discover the top 5 airlines that operate flights from Nashville to Key Largo. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$65Average$132FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$72Average$152FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$151Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$162Average$403FlexibilityNo cancel feeOn-time63%
DeltaCheapest$176Average$401FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights