$154 Cheap Delta flights Boise (BOI) to Louisville (SDF)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $307 from BOI to SDF. Affordable one-way options from $154 are also available.**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 Louisville are often more affordable in the low-season months of January and December. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

For cheap Delta Air Lines fares from Boise Airport (BOI) to Louisville Intl. Airport (SDF), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Enter your dates, press search and check “Nonstop” on Expedia to browse any direct flights from BOI to SDF with Delta Air Lines or another carrier.

To find the earliest departure from BOI to SDF with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’re less likely to experience cancellations.**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.

Jump on a Delta Air Lines flight from Boise Airport (BOI) to Louisville, and you’ll probably touch down at Louisville Intl. Airport (SDF). This is the airline’s primary hub in this city.

Delta Air Lines makes flying from BOI to SDF more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You even have the chance to collect points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while searching for flights. For more information on canceling or modifying your reservation, visit “Trips,” select your flight and click on “Manage Booking.”