Cheap flights from Louisville to Key West from $152
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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Louisville to Key West
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Breeze Airways flights from Louisville to Key West
Our best Breeze Airways deals on Louisville to Key West flight tickets
Delta flights from Louisville to Key West
Our best Delta deals on Louisville to Key West flight tickets
momondo Fare Finder
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
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Thu 10/22
9:09 pm-12:19 pm
1 stop15h 10m
Key West
Thu 10/29
12:01 pm-8:29 pm
1 stop8h 28m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Sun 10/25
9:09 pm-12:19 pm
1 stop15h 10m
Key West
Thu 10/29
12:01 pm-8:29 pm
1 stop8h 28m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Thu 10/22
9:09 pm-12:19 pm
1 stop15h 10m
Key West
Fri 10/30
11:59 am-10:11 am
1 stop22h 12m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Sun 10/25
9:09 pm-12:19 pm
1 stop15h 10m
Key West
Fri 10/30
11:59 am-10:11 am
1 stop22h 12m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Wed 11/25
10:13 am-5:10 pm
1 stop6h 57m
Key West
Tue 12/1
6:06 pm-11:05 pm
1 stop4h 59m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Tue 11/24
6:00 am-10:48 am
1 stop4h 48m
Key West
Wed 12/2
7:25 am-11:57 am
1 stop4h 32m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Wed 11/25
1:01 pm-5:10 pm
1 stop4h 09m
Key West
Wed 12/2
7:25 am-2:16 pm
1 stop6h 51m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Fri 1/22
1:02 pm-5:54 pm
1 stop4h 52m
Key West
Mon 1/25
5:56 pm-11:59 pm
1 stop6h 03m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Sat 10/24
12:00 pm-7:33 pm
1 stop7h 33m
Key West
Sat 10/31
5:28 pm-11:45 pm
1 stop6h 17m
LouisvilleKey West
SDF Louisville Intl - EYW Key West
SDFEYW
Louisville Intl
Sat 10/24
12:00 pm-7:33 pm
1 stop7h 33m
Key West
Sat 10/31
5:28 pm-11:45 pm
1 stop6h 17m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $363 to $603.The lowest price recently found on this route was $181.
What is the cheapest month to fly to Key West?
In general, January 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 $337. If you are unable to visit Key West during the month of January, then departing from Louisville during the month August 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 $460 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 $296 on momondo.
What is the cheapest airline that flies from Louisville Intl to Key West?
American Airlines and Allegiant Air are the most popular carriers operating from Louisville Intl to Key West
What airlines fly to Key West?
Allegiant Air, American Airlines and Delta are the top three most popular airlines that fly to Key West from Louisville according to our data. Allegiant Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Louisville and Key West?
Charlotte (CLT) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Louisville to Key West?
Flights via Charlotte (CLT) offer the lowest average round-trip price of $403.
Which layover airport has the shortest travel time from Louisville to Key West?
Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 15m.
Which layover airport has the shortest connection time from Louisville to Key West?
Atlanta (ATL) has the shortest average layover time for this route: 2h 11m.
When to book flights from Louisville to Key West
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
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 47m.
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?
As of October 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Key West is American Airlines (57% of total bookings). The next most popular airline is Delta (43%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $278 | Free Cancellation | Rating 7.0 12,146 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.8 8,646 reviews |
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy 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.