$149 Cheap Delta flights Atlanta (ATL) to Milwaukee (MKE)

You'll find affordable round-trip Delta Air Lines flights from ATL to MKE by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $149 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.

Begin your search one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to General Mitchell Intl. Airport (MKE). 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 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 the 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.

Departing ATL at 8:20AM UTC-5, the first Delta Air Lines flight to MKE arrives at 9:21AM UTC-6. Flying early means you'll be less likely to experience delays.* Not a morning person? The last Delta Air Lines flight from ATL to MKE departs at 10:54PM UTC-5 and touches down at 11:53PM UTC-6.*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.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers heading from ATL to MKE. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.