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Cheap flights from Louisville to Key West from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Key West departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Breeze Airways Logo
11:12 am - 7:13 pm
SDF
-
EYW
8h 01m
1 stop
Breeze Airways Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$182Breeze Airways
Thu, Aug 20 - Wed, Aug 26
Breeze Airways Logo
11:12 am - 7:13 pm
SDF
-
EYW
8h 01m
1 stop
Breeze Airways Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$198Breeze Airways
Thu, Aug 20 - Wed, Aug 26
Breeze Airways Logo
9:09 pm - 12:19 pm
SDF
-
EYW
15h 10m
1 stop
Breeze Airways Logo
12:01 pm - 8:29 pm
EYW
-
SDF
8h 28m
1 stop
$208Breeze Airways
Sun, Dec 6 - Thu, Dec 10
Multiple Airlines Logo
9:24 pm - 2:37 pm
SDF
-
EYW
17h 13m
1 stop
Multiple Airlines Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$218Multiple Airlines
Thu, Aug 6 - Wed, Aug 12
Breeze Airways Logo
11:12 am - 7:13 pm
SDF
-
EYW
8h 01m
1 stop
Breeze Airways Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$220Breeze Airways
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
9:03 pm - 1:22 pm
SDF
-
EYW
16h 19m
1 stop
Multiple Airlines Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$232Multiple Airlines
Sat, Aug 1 - Wed, Aug 5
Multiple Airlines Logo
9:03 pm - 1:22 pm
SDF
-
EYW
16h 19m
1 stop
Multiple Airlines Logo
11:07 am - 8:36 am
EYW
-
SDF
21h 29m
1 stop
$238Multiple Airlines
Sat, Aug 1 - Fri, Aug 7
Breeze Airways Logo
11:12 am - 7:13 pm
SDF
-
EYW
8h 01m
1 stop
Breeze Airways Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$239Breeze Airways
Sun, Aug 2 - Wed, Aug 5
Breeze Airways Logo
11:12 am - 7:13 pm
SDF
-
EYW
8h 01m
1 stop
Breeze Airways Logo
11:07 am - 8:36 am
EYW
-
SDF
21h 29m
1 stop
$245Breeze Airways
Sun, Aug 2 - Fri, Aug 7
Multiple Airlines Logo
8:37 pm - 8:30 am
SDF
-
EYW
11h 53m
1 stop
Multiple Airlines Logo
12:01 pm - 8:29 pm
EYW
-
SDF
8h 28m
1 stop
$247Multiple Airlines
Sun, Nov 15 - Thu, Nov 19

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Allegiant Air flights from Louisville to Key West

Our best Allegiant Air deals on Louisville to Key West flight tickets
Allegiant Air
Aug 1
SDF9:03 pmLouisville Intl
16h 19m
1 stop
EYW1:22 pmKey West
Aug 6
EYW4:17 pmKey West
22h 11m
1 stop
SDF2:28 pmLouisville Intl
$303
Allegiant Air
Jul 31
SDF8:24 pmLouisville Intl
17h 30m
1 stop
EYW1:54 pmKey West
Aug 6
EYW4:17 pmKey West
22h 11m
1 stop
SDF2:28 pmLouisville Intl
$321
Allegiant Air
Jul 30
SDF9:19 pmLouisville Intl
17h 18m
1 stop
EYW2:37 pmKey West
Aug 6
EYW4:17 pmKey West
22h 11m
1 stop
SDF2:28 pmLouisville Intl
$331

Breeze Airways flights from Louisville to Key West

Our best Breeze Airways deals on Louisville to Key West flight tickets
Breeze Airways
Aug 20
SDF11:12 amLouisville Intl
8h 01m
1 stop
EYW7:13 pmKey West
Aug 26
EYW11:46 amKey West
22h 46m
1 stop
SDF10:32 amLouisville Intl
$182
Breeze Airways
Aug 27
SDF11:12 amLouisville Intl
8h 01m
1 stop
EYW7:13 pmKey West
Sep 2
EYW11:46 amKey West
22h 46m
1 stop
SDF10:32 amLouisville Intl
$187
Breeze Airways
Aug 20
SDF11:12 amLouisville Intl
8h 01m
1 stop
EYW7:13 pmKey West
Aug 26
EYW11:46 amKey West
22h 46m
1 stop
SDF10:32 amLouisville Intl
$198

momondo 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, momondo users made 832,500 searches. Data last updated July 18, 2026.
Use the filters below to find and compare flights from Louisville to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/20

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/26

11:46 am-10:32 am

1 stop22h 46m

$182

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/20

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/26

11:46 am-10:32 am

1 stop22h 46m

$198

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 12/6

9:09 pm-12:19 pm

1 stop15h 10m

Key West

Thu 12/10

12:01 pm-8:29 pm

1 stop8h 28m

$208

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/6

9:24 pm-2:37 pm

1 stop17h 13m

Key West

Wed 8/12

11:46 am-10:32 am

1 stop22h 46m

$218

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/20

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/26

11:46 am-10:32 am

1 stop22h 46m

$220

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 8/1

9:03 pm-1:22 pm

1 stop16h 19m

Key West

Wed 8/5

11:46 am-10:32 am

1 stop22h 46m

$232

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 8/1

9:03 pm-1:22 pm

1 stop16h 19m

Key West

Fri 8/7

11:07 am-8:36 am

1 stop21h 29m

$238

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 8/2

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/5

11:46 am-10:32 am

1 stop22h 46m

$239

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 8/2

11:12 am-7:13 pm

1 stop8h 01m

Key West

Fri 8/7

11:07 am-8:36 am

1 stop21h 29m

$245
Quickest round-trip

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 11/15

8:37 pm-8:30 am

1 stop11h 53m

Key West

Thu 11/19

12:01 pm-8:29 pm

1 stop8h 28m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Louisville to Key West

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 typical price of a round-trip flight between Louisville and Key West?

What is the cheapest month to fly to Key West?

In general, August is the cheapest month to fly from Louisville to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $349. If you are unable to visit Key West during the month of August, then departing from Louisville during the month February is also very affordable. Most momondo users find prices during this month for around $349.

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

You are more likely to see cheaper flights to Key West from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Louisville for as low as $310 on momondo.

When to book flights from Louisville to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Key West (SDF to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Key West

Fastest flight time

4h 18m

Direct flights

None
The fastest flight from Louisville to Key West takes 4h 18m
There are no direct flights from Louisville to Key West. There are no popular flight routes from Louisville to Key West.
Search flight deals

Frequently asked questions about flying from Louisville to Key West

  • How far is Louisville Intl to Key West by plane?

    Louisville Intl and Key West are 973.5 mi apart from one another. In terms of flight time, this usually takes a little over 4h 18m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Key West Airport?

    Prices for flights from Louisville Intl Airport to Key West Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to Key West Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Key West Airport?

    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 Louisville Intl Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents required for your trip to Key West Airport 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 Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Louisville to Key West?

Best airlines flying from Louisville to Key West

Compare and see reviews for airlines that fly from Louisville to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,828 reviews
Search American Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.8
8,478 reviews
Search Delta flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Key West. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to Key West with flexible booking policies on momondo?

All flight searches from Louisville to Key West on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Key West?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Louisville.

I’m not ready to book a flight from Louisville to Key West right now. Can momondo alert me if prices change?

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

An easier way to manage your Key West trip

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