$100 Cheap Delta flights Louisville (SDF) to Key West (EYW)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $198 from SDF to EYW. Affordable one-way fares from $100 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Key West are usually more affordable in the off-peak months of September and August. Whether you’re searching for a round-trip or one-way ticket, you could land a better deal then.

Start searching one to three months ahead of your travel date to score cheap fares on Delta Air Lines flights from Louisville Intl. Airport (SDF) to Key West Intl. Airport (EYW). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from SDF to EYW with Delta Air Lines or other carriers.

To find the earliest departure from SDF to EYW with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Take a Delta Air Lines flight from Louisville Intl. Airport (SDF) to Key West, and you’ll most likely come in to Key West Intl. Airport (EYW). This is the airline’s primary hub here.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many passengers heading from SDF to EYW. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or modify your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Make use of our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to revise your plans. To modify your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.