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Cheap flights from Louisville to Key West from $112

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 3/16. 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.
Multiple Airlines Logo
2:26 pm - 10:24 am
SDF
-
EYW
19h 58m
1 stop
Multiple Airlines Logo
9:46 am - 12:21 pm
EYW
-
SDF
26h 35m
1 stop
$241Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
Breeze Airways Logo
2:26 pm - 10:24 am
SDF
-
EYW
19h 58m
1 stop
Breeze Airways Logo
11:51 am - 1:26 pm
EYW
-
SDF
25h 35m
2 stops
$257Breeze Airways
Sun, Mar 1 - Wed, Mar 11
Multiple Airlines Logo
6:55 pm - 6:32 pm
SDF
-
EYW
23h 37m
1 stop
Multiple Airlines Logo
4:02 pm - 2:02 pm
EYW
-
SDF
22h 00m
1 stop
$273Multiple Airlines
Sun, May 31 - Thu, Jun 11
Multiple Airlines Logo
2:26 pm - 10:24 am
SDF
-
EYW
19h 58m
1 stop
Multiple Airlines Logo
12:40 pm - 9:06 am
EYW
-
SDF
20h 26m
1 stop
$277Multiple Airlines
Sun, Mar 1 - Wed, Mar 11
Delta Logo
3:17 pm - 7:40 pm
SDF
-
EYW
4h 23m
1 stop
Delta Logo
7:33 am - 12:11 pm
EYW
-
SDF
4h 38m
1 stop
$279Delta
Tue, Apr 14 - Sat, Apr 18
Multiple Airlines Logo
2:26 pm - 10:24 am
SDF
-
EYW
19h 58m
1 stop
Multiple Airlines Logo
2:25 pm - 2:38 pm
EYW
-
SDF
24h 13m
1 stop
$285Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
2:26 pm - 9:09 am
SDF
-
EYW
18h 43m
2 stops
Multiple Airlines Logo
9:46 am - 12:21 pm
EYW
-
SDF
26h 35m
1 stop
$286Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
Delta Logo
1:00 pm - 7:49 pm
SDF
-
EYW
6h 49m
1 stop
Delta Logo
6:00 pm - 10:37 pm
EYW
-
SDF
4h 37m
1 stop
$289Delta
Tue, Jun 2 - Thu, Jun 11
Multiple Airlines Logo
9:30 am - 12:21 pm
SDF
-
EYW
26h 51m
2 stops
Multiple Airlines Logo
2:25 pm - 2:38 pm
EYW
-
SDF
24h 13m
1 stop
$292Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
9:12 pm - 9:09 am
SDF
-
EYW
11h 57m
1 stop
Multiple Airlines Logo
1:14 pm - 11:34 am
EYW
-
SDF
22h 20m
2 stops
$295Multiple Airlines
Sun, Apr 19 - Tue, May 19

Delta flights from Louisville to Key West

Our best Delta deals on Louisville to Key West flight tickets
Delta
Apr 14
SDF3:17 pmLouisville Intl
4h 23m
1 stop
EYW7:40 pmKey West
Apr 18
EYW7:33 amKey West
4h 38m
1 stop
SDF12:11 pmLouisville Intl
$279
Delta
Jun 2
SDF1:00 pmLouisville Intl
6h 49m
1 stop
EYW7:49 pmKey West
Jun 11
EYW6:00 pmKey West
4h 37m
1 stop
SDF10:37 pmLouisville Intl
$289
Delta
Apr 20
SDF8:10 amLouisville Intl
5h 34m
1 stop
EYW1:44 pmKey West
May 14
EYW6:22 pmKey West
5h 58m
1 stop
SDF12:20 amLouisville Intl
$304

American Airlines flights from Louisville to Key West

Our best American Airlines deals on Louisville to Key West flight tickets
American Airlines
Mar 2
SDF6:00 amLouisville Intl
6h 18m
1 stop
EYW12:18 pmKey West
Mar 7
EYW2:06 pmKey West
4h 57m
1 stop
SDF7:03 pmLouisville Intl
$334
American Airlines
Mar 2
SDF5:00 amLouisville Intl
8h 15m
2 stops
EYW1:15 pmKey West
Mar 7
EYW2:06 pmKey West
7h 18m
1 stop
SDF9:24 pmLouisville Intl
$339
American Airlines
Mar 1
SDF5:00 amLouisville Intl
8h 15m
2 stops
EYW1:15 pmKey West
Mar 11
EYW3:56 pmKey West
8h 31m
2 stops
SDF12:27 amLouisville Intl
$344

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 February 11, 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

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 3/1

2:26 pm-10:24 am

1 stop19h 58m

Key West

Sun 3/8

9:46 am-12:21 pm

1 stop26h 35m

$241

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 3/1

2:26 pm-10:24 am

1 stop19h 58m

Key West

Wed 3/11

11:51 am-1:26 pm

2 stops25h 35m

$257

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 5/31

6:55 pm-6:32 pm

1 stop23h 37m

Key West

Thu 6/11

4:02 pm-2:02 pm

1 stop22h 00m

$273

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 3/1

2:26 pm-10:24 am

1 stop19h 58m

Key West

Wed 3/11

12:40 pm-9:06 am

1 stop20h 26m

$277

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Tue 4/14

3:17 pm-7:40 pm

1 stop4h 23m

Key West

Sat 4/18

7:33 am-12:11 pm

1 stop4h 38m

$279

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 2/26

2:26 pm-10:24 am

1 stop19h 58m

Key West

Mon 3/2

2:25 pm-2:38 pm

1 stop24h 13m

$285

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 3/1

2:26 pm-9:09 am

2 stops18h 43m

Key West

Sun 3/8

9:46 am-12:21 pm

1 stop26h 35m

$286

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Tue 6/2

1:00 pm-7:49 pm

1 stop6h 49m

Key West

Thu 6/11

6:00 pm-10:37 pm

1 stop4h 37m

$289

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Mon 2/23

9:30 am-12:21 pm

2 stops26h 51m

Key West

Mon 3/2

2:25 pm-2:38 pm

1 stop24h 13m

$292

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 4/19

9:12 pm-9:09 am

1 stop11h 57m

Key West

Tue 5/19

1:14 pm-11:34 am

2 stops22h 20m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $343. 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 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 $407 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 $336 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 23m

Direct flights

None
The fastest flight from Louisville to Key West takes 4h 23m
There are no direct flights from Louisville to Key West. There are no popular flight routes from Louisville to Key West.
Search flight deals

  • 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 23m.

  • 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
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,179 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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