$229 Cheap Delta flights Colorado Springs (COS) to Atlanta (ATL)

Landing cheap one-way Delta Air Lines flights from COS to ATL from $229 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $357 for your next exciting adventure.**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.

Search for affordable Delta Air Lines flights from Colorado Springs Airport (COS) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Departing COS at 6:00AM UTC-7, the earliest Delta Air Lines flight to ATL arrives at 10:55AM UTC-5. Flying early means you'll be less likely to encounter delays or cancellations.* After something later? The last Delta Air Lines flight from COS to ATL departs at 6:00AM UTC-7 and touches down at 10:55AM UTC-5.*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.

Heading from COS to ATL with Delta Air Lines means enjoying a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use 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.