Route Price Intelligence
Cheap Flights From St. Louis to Atlanta
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Frontier has St. Louis to Atlanta at $43 round trip, the lowest fare we've ever tracked on this route, dipping slightly under our previous record low. It's a great quick Southern getaway or a cheap positioning fare through one of Delta's busiest hubs, with availability showing into the fall.
✓ 8 date combinations found at this price
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Best Time to Fly from St. Louis to Atlanta
The cheapest time to fly from St. Louis to Atlanta is typically June, when fares average around $158. The most expensive month tends to be September at around $361. For the best deals, consider flying in June, July, May.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route