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$112+ Cheap flights from Louisville to Key West (SDF - EYW)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — EYW
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Louisville to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(Kiwi.com)

One-way from

$112
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$358
Provider with most accurate pricing for Louisville Intl-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Key West flights.
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From Louisville Intl to Key West
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One-way flight from Louisville Intl to Key West
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Louisville to Key West

Cheapest flights from Louisville to Key West
Explore the most affordable flight options available from Louisville to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/251:19 pm
SDF
-
EYW
1 stop19h 47m
Multiple Airlines
lun. 3/21:06 pm
EYW
-
SDF
2 stops25h 32m
Multiple Airlines
Deal found 1/13$271
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/41:19 pm
SDF
-
EYW
1 stop19h 47m
Multiple Airlines
dom. 3/89:46 am
EYW
-
SDF
2 stops22h 54m
Multiple Airlines
Deal found 1/13$273
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/117:30 am
SDF
-
EYW
1 stop7h 36m
United Airlines
jue. 7/164:05 pm
EYW
-
SDF
1 stop6h 04m
United Airlines
Deal found 1/13$279
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/229:27 pm
SDF
-
EYW
1 stop17h 20m
Multiple Airlines
vie. 2/272:25 pm
EYW
-
SDF
1 stop20h 40m
Multiple Airlines
Deal found 1/13$281
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/251:19 pm
SDF
-
EYW
1 stop19h 47m
Multiple Airlines
dom. 3/12:25 pm
EYW
-
SDF
1 stop18h 15m
Multiple Airlines
Deal found 1/15$284
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/129:14 pm
SDF
-
EYW
1 stop17h 29m
Multiple Airlines
jue. 4/169:46 am
EYW
-
SDF
1 stop25h 52m
Multiple Airlines
Deal found 1/13$286
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/193:33 pm
SDF
-
EYW
1 stop21h 57m
Spirit Airlines
lun. 2/232:25 pm
EYW
-
SDF
1 stop24h 13m
Spirit Airlines
Deal found 1/14$293
This American Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 2/63:33 pm
SDF
-
EYW
2 stops8h 23m
American Airlines
lun. 2/94:37 pm
EYW
-
SDF
1 stop7h 22m
American Airlines
Deal found 1/14$294
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/193:33 pm
SDF
-
EYW
1 stop21h 57m
Multiple Airlines
dom. 2/222:25 pm
EYW
-
SDF
1 stop18h 15m
Multiple Airlines
Deal found 1/14$295

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Key West 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 enero 15, 2026.
Use the filters below to find and compare flights from Louisville to Key West that are best for you.

Fly from

Louisville

Fly to

Key West

Route

Depart

Return

Price

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

sáb. 7/11

7:30 am-3:06 pm

1 stop7h 36m

Key West

jue. 7/16

4:05 pm-10:09 pm

1 stop6h 04m

$279

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

jue. 2/19

3:33 pm-1:30 pm

1 stop21h 57m

Key West

dom. 2/22

2:25 pm-8:40 am

1 stop18h 15m

$295

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mié. 7/8

3:24 pm-7:45 pm

1 stop4h 21m

Key West

mié. 7/15

2:35 pm-8:52 pm

1 stop6h 17m

$299

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mié. 2/25

1:19 pm-9:06 am

1 stop19h 47m

Key West

dom. 3/1

2:25 pm-12:21 pm

2 stops21h 56m

$304

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mié. 7/8

3:24 pm-7:45 pm

1 stop4h 21m

Key West

mar. 7/14

11:45 am-7:01 pm

1 stop7h 16m

$329

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mar. 2/24

3:33 pm-7:42 pm

1 stop4h 09m

Key West

mar. 3/3

5:56 pm-11:58 pm

1 stop6h 02m

$329

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

sáb. 7/11

3:24 pm-7:45 pm

1 stop4h 21m

Key West

mié. 7/15

2:35 pm-7:01 pm

1 stop4h 26m

$329

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mié. 2/11

1:55 pm-9:06 am

1 stop19h 11m

Key West

vie. 2/13

2:25 pm-11:05 am

1 stop20h 40m

$330

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

sáb. 6/6

9:00 am-3:06 pm

1 stop6h 06m

Key West

sáb. 6/13

4:05 pm-10:09 pm

1 stop6h 04m

$341

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

mar. 7/14

7:30 am-3:06 pm

1 stop7h 36m

Key West

dom. 7/19

4:05 pm-10:09 pm

1 stop6h 04m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 21 results
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Compare providers for flights from Louisville 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 Louisville to Key West in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Louisville-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Key West flights, Cheapflights users trust eDreams the most. eDreams 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 Louisville-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 Louisville to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Louisville 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 Louisville to Key West

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Key West. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from Louisville to Key West, you should look to book at least 64 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 Louisville to Key West?

Currently, August is the cheapest month in which you can book a flight from Louisville to Key West (average of $96). Flying from Louisville to Key West in February is currently the most expensive (average of $223). 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.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 West. Reviews last updated enero 15, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Louisville to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,051 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,051 reviews
Delta
7.9
Good
8,051 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,164 reviews
Delta
7.9
Good
8,051 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,136 reviews
Delta
7.9
Good
8,051 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Louisville to Key West?

    Airlines like United Airlines and Delta fly from Louisville to Key West in about 4h 21m. The time it takes to get you to your destination can typically vary by up to 3h 15m. The distance between Louisville and Key West is about 969 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Louisville to Key West round-trip from $258. Other airlines that can offer you cheap pricing are Delta, from $258, and United Airlines, from $258. American Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Louisville to Key West?

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

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

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Key West?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Key West (average of $96). Flying from Louisville to Key West in February is currently the most expensive (average of $223). 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

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Top 3 airlines flying from Louisville to Key West

Discover the top 3 airlines that operate flights from Louisville to Key West. 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$430FlexibilityNo cancel feeOn-time71%

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