With Spirit Airlines expanding to 17 destinations from Atlanta and Frontier Airlines growing to 22 routes out of Atlanta starting in the spring, the competitive landscape at Hartsfield-Jackson International is changing.

These "ultra-low cost carriers" offer a bare-bones style of service and charge extra for carry-on bags and sodas, but are also known for fares as low as $69 roundtrip between Atlanta and Detroit.

The good news: Average leisure fares out of Atlanta are down about 23 percent year-over-year, according to data from Harrell Associates. The decline is part of a trend across the country, though airlines did push through a price hike at the start of the year.

Read more on myajc.com to find out where some of the fiercest competition has led to lower fares, and why ultra-low cost carriers' impact is still limited.

ajc.com

Credit: Kelly Yamanouchi

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Credit: Kelly Yamanouchi