$169 Cheap Delta flights Louisville (SDF) to Denver (DEN)

Landing cheap one-way Delta Air Lines flights from SDF to DEN from $169 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $259 for your next exciting getaway.**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 Denver are typically more affordable in the low-season months of January and November. Whether you’re searching for a return or one-way ticket, you could find a better deal then.

Start searching one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from Louisville Intl. Airport (SDF) to Denver Intl. Airport (DEN). 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.* Time it well, and you can enjoy significant savings on domestic journeys.*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.

Use the “Nonstop” filter when looking for direct Delta Air Lines flights from SDF to DEN. It’s also an easy way to compare other carriers offering the same nonstop journey.

Browse Delta Air Lines’s earliest flights from SDF to DEN by selecting our “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Delta Air Lines flights from Louisville Intl. Airport (SDF) to Denver come in to land at Denver Intl. Airport (DEN). This is the main entry point to this city.

Delta Air Lines makes traveling from SDF to DEN enjoyable with an excellent in-flight experience and a rewarding loyalty program. You may even earn 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 travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making your booking, but your airline may charge you after that. For further details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without extra charges, apply the “Changes included” or “No cancel fee” filter when organizing your next trip.