$138 Cheap Delta flights Boston (BOS) to Louisville (SDF)

You’ll discover affordable round-trip Delta Air Lines flights from $258 from BOS to SDF by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $138 for a one-way trip.**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.

Browse for round-trip or one-way flights to Louisville in January or December. You could find an affordable fare with Delta Air Lines during these off-peak months.

Start searching one to three months ahead of your departure date to find cheaper fares on Delta Air Lines flights from Logan Intl. Airport (BOS) to Louisville Intl. Airport (SDF). 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.* Get your timing right, 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.

Delta Air Lines has direct flights from Logan Intl. Airport (BOS) to Louisville Intl. Airport (SDF), with 6 departures each week. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Delta Air Lines flights to SDF.

It takes approximately 2h 43m to fly nonstop from Logan Intl. Airport (BOS) to Louisville Intl. Airport (SDF) with Delta Air Lines.

The earliest flight from BOS to SDF with Delta Air Lines departs at 10:55AM UTC-5. You’ll touch down at 1:38PM UTC-5. The final Delta Air Lines flight of the day takes off at 10:55AM UTC-5 and arrives at 1:38PM UTC-5. With approximately 20% fewer cancellations for departures before midday, setting off early is generally the wisest option.**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.

Louisville Intl. Airport (SDF) is the main Louisville gateway for Delta Air Lines flights from Logan Intl. Airport (BOS).

Traveling from BOS to SDF with Delta Air Lines means enjoying a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Book a Delta Air Lines flight from Logan Intl. Airport (BOS) to Louisville Intl. Airport (SDF), and you’ll probably board an Embraer 170. Keep in mind though, that the aircraft type can vary due to operational needs.

It’s usually possible to modify or cancel your flight, although additional fees may apply if you booked over 24 hours ago. Prefer to keep your options open? Use Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you need to adjust your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.