Austin (AUS) to Charlotte (CLT): 1,030 miles (1,658 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $300 round-trip on Frontier, with 1 stop, departing June 20, 2026.
$300 round-trip, Frontier F94524, departing 2026-06-20 at 17:42, returning 2026-06-24. The recorded itinerary left on a Saturday, returning on a Wednesday 4 nights later; the fare was observed 56 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $300, it ranked 16th of the 30 round-trip fares we recorded from AUS (median $292). That is 29.1 cents per great-circle mile (round-trip price over one-way distance), above the AUS median of 22.5 cents across 30 round-trip routes.
Routes from AUS of similar length: Orlando (989 mi) at $127 and Chicago (978 mi) at $277.
Frontier had the cheapest fare on 13 of 30 AUS routes. It is the 24th longest of the 30 routes we track from AUS.
Of 10 departure airports with a fare to Charlotte, Austin (AUS) ranked 5th at $300. Lowest: $76 from Fort Lauderdale (FLL); highest: $957 from Krakow (KRK); 1 nonstop. Cheapest-fare airlines (routes): Frontier (6), Avianca (1), Lufthansa (1), Southwest (1) and Viva Aerobus (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/New_York; flight time is our estimate.