$119 Cheap Delta flights Raleigh (RDU) to Denver (DEN)

You’ll find affordable return Delta Air Lines flights from $227 from RDU to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $119 for a one-way journey.**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 cheaper in the quieter months of January and November. Whether you’re after a round-trip or one-way ticket, you could find a better deal then.

Begin your search one to three months ahead of your travel date to get cheap fares on Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce 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 spot on, 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.

Simply enter your dates, press search and use the “Nonstop” filter on Expedia to browse any direct flights from RDU to DEN with Delta Air Lines or another airline.

Find Delta Air Lines’s earliest flights from RDU to DEN by checking our “Morning” and “Early Morning” filters. Not only will you arrive 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 Raleigh - Durham Intl. Airport (RDU) to Denver arrive at Denver Intl. Airport (DEN). This is the main gateway to this destination.

Traveling from RDU to DEN with Delta Air Lines means enjoying a variety of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s in addition to 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.

Depending on the type of ticket you purchased, a fee may apply if you change or cancel your flight more than 24 hours after it has been confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when searching for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”