Atlanta (ATL) to Baltimore (BWI): 576 miles (928 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $93 round-trip on Frontier, nonstop, departing April 30, 2026.
$93 round-trip, Frontier F92510, departing 2026-04-30 at 06:05, returning 2026-05-02. The recorded itinerary left on a Thursday, returning on a Saturday 2 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $93, it ranked 5th of the 30 round-trip fares we recorded from ATL (median $212). That is 16.1 cents per great-circle mile (round-trip price over one-way distance), close to the ATL median of 15.8 cents across 30 round-trip routes.
Routes from ATL of similar length: Fort Lauderdale (582 mi) at $77 and Miami (596 mi) at $72.
Frontier had the cheapest fare on 18 of 30 ATL routes. It is the 28th longest of the 30 routes we track from ATL.
Of 10 departure airports with a fare to Baltimore, Atlanta (ATL) ranked 3rd at $93. Lowest: $83 from Fort Lauderdale (FLL); highest: $1376 from Lagos (LOS); 6 nonstop. Cheapest-fare airlines (routes): Frontier (6), JetSMART (1), Qatar (1), Southwest (1) and Spirit (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/New_York; flight time is our estimate.