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Cheap flights from Louisville to Key West from $131

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 5/17. 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
0 bags

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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
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
$156Breeze Airways
Sun, Sep 13 - Thu, Sep 17
Multiple Airlines Logo
2:27 pm - 10:27 am
SDF
-
EYW
20h 00m
1 stop
Multiple Airlines Logo
2:51 pm - 3:39 pm
EYW
-
SDF
24h 48m
1 stop
$177Multiple Airlines
Thu, May 14 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 1:22 pm
SDF
-
EYW
16h 17m
1 stop
Multiple Airlines Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$238Multiple Airlines
Sat, Aug 1 - Wed, Aug 5
Multiple Airlines Logo
9:10 pm - 12:48 pm
SDF
-
EYW
15h 38m
1 stop
Multiple Airlines Logo
11:07 am - 8:36 am
EYW
-
SDF
21h 29m
1 stop
$239Multiple Airlines
Sat, Jul 4 - Fri, Jul 10
Multiple Airlines Logo
9:10 pm - 12:48 pm
SDF
-
EYW
15h 38m
1 stop
Multiple Airlines Logo
11:07 am - 8:36 am
EYW
-
SDF
21h 29m
1 stop
$240Multiple Airlines
Sat, Jul 4 - Fri, Jul 10
Multiple Airlines Logo
2:27 pm - 11:27 am
SDF
-
EYW
21h 00m
2 stops
Multiple Airlines Logo
2:51 pm - 3:39 pm
EYW
-
SDF
24h 48m
1 stop
$241Multiple Airlines
Thu, May 14 - Fri, May 22
Multiple Airlines Logo
9:19 pm - 2:37 pm
SDF
-
EYW
17h 18m
1 stop
Multiple Airlines Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$243Multiple Airlines
Thu, Jul 30 - Wed, Aug 5
Multiple Airlines Logo
9:19 pm - 2:37 pm
SDF
-
EYW
17h 18m
1 stop
Multiple Airlines Logo
11:46 am - 10:32 am
EYW
-
SDF
22h 46m
1 stop
$245Multiple Airlines
Thu, Jul 30 - Wed, Aug 5
Multiple Airlines Logo
10:33 am - 12:34 pm
SDF
-
EYW
26h 01m
2 stops
Multiple Airlines Logo
2:51 pm - 3:39 pm
EYW
-
SDF
24h 48m
1 stop
$248Multiple Airlines
Mon, May 18 - Fri, May 22
Multiple Airlines Logo
9:10 pm - 12:48 pm
SDF
-
EYW
15h 38m
1 stop
Multiple Airlines Logo
1:11 pm - 8:36 am
EYW
-
SDF
19h 25m
2 stops
$253Multiple Airlines
Sat, Jul 4 - Fri, Jul 10

Allegiant Air flights from Louisville to Key West

Our best Allegiant Air deals on Louisville to Key West flight tickets
Allegiant Air
Jul 3
SDF8:24 pmLouisville Intl
17h 30m
1 stop
EYW1:54 pmKey West
Jul 9
EYW4:17 pmKey West
21h 50m
1 stop
SDF2:07 pmLouisville Intl
$300
Allegiant Air
Jul 30
SDF9:19 pmLouisville Intl
17h 18m
1 stop
EYW2:37 pmKey West
Aug 2
EYW10:32 pmKey West
15h 35m
1 stop
SDF2:07 pmLouisville Intl
$333
Allegiant Air
Jul 30
SDF9:19 pmLouisville Intl
17h 18m
1 stop
EYW2:37 pmKey West
Aug 2
EYW10:32 pmKey West
15h 35m
1 stop
SDF2:07 pmLouisville Intl
$340

American Airlines flights from Louisville to Key West

Our best American Airlines deals on Louisville to Key West flight tickets
American Airlines
Jul 4
SDF7:37 amLouisville Intl
6h 04m
1 stop
EYW1:41 pmKey West
Jul 10
EYW1:41 pmKey West
10h 05m
2 stops
SDF11:46 pmLouisville Intl
$383
American Airlines
Jul 4
SDF7:37 amLouisville Intl
6h 04m
1 stop
EYW1:41 pmKey West
Jul 10
EYW1:41 pmKey West
9h 23m
2 stops
SDF11:04 pmLouisville Intl
$393
American Airlines
Jul 4
SDF8:15 amLouisville Intl
11h 08m
2 stops
EYW7:23 pmKey West
Jul 10
EYW1:41 pmKey West
10h 05m
2 stops
SDF11:46 pmLouisville Intl
$398

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 May 3, 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
Quickest round-trip

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 9/13

9:09 pm-12:19 pm

1 stop15h 10m

Key West

Thu 9/17

12:01 pm-8:29 pm

1 stop8h 28m

$156

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 5/14

2:27 pm-10:27 am

1 stop20h 00m

Key West

Fri 5/22

2:51 pm-3:39 pm

1 stop24h 48m

$177

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 8/1

9:05 pm-1:22 pm

1 stop16h 17m

Key West

Wed 8/5

11:46 am-10:32 am

1 stop22h 46m

$238

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 7/4

9:10 pm-12:48 pm

1 stop15h 38m

Key West

Fri 7/10

11:07 am-8:36 am

1 stop21h 29m

$239

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 7/4

9:10 pm-12:48 pm

1 stop15h 38m

Key West

Fri 7/10

11:07 am-8:36 am

1 stop21h 29m

$240

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 5/14

2:27 pm-11:27 am

2 stops21h 00m

Key West

Fri 5/22

2:51 pm-3:39 pm

1 stop24h 48m

$241

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 7/30

9:19 pm-2:37 pm

1 stop17h 18m

Key West

Wed 8/5

11:46 am-10:32 am

1 stop22h 46m

$243

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 7/30

9:19 pm-2:37 pm

1 stop17h 18m

Key West

Wed 8/5

11:46 am-10:32 am

1 stop22h 46m

$245

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Mon 5/18

10:33 am-12:34 pm

2 stops26h 01m

Key West

Fri 5/22

2:51 pm-3:39 pm

1 stop24h 48m

$248

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 7/4

9:10 pm-12:48 pm

1 stop15h 38m

Key West

Fri 7/10

1:11 pm-8:36 am

2 stops19h 25m

$253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $338. 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 $426 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 $319 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 $270Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
8,460 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

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.
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