Charlotte (CLT) to Sydney (SYD): 9,506 miles (15,298 km) great-circle, about 19h 30m nonstop by our estimate. Cheapest fare observed: $1827 round-trip on Frontier, with 3 stops, departing June 23, 2026.
$1827 round-trip, Frontier F93165, departing 2026-06-23 at 06:00, returning 2026-06-27. The recorded itinerary left on a Tuesday, returning on a Saturday 4 nights later; the fare was observed 59 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1827, it ranked 30th of the 30 round-trip fares we recorded from CLT (median $293). That is 19.2 cents per great-circle mile (round-trip price over one-way distance), below the CLT median of 22.0 cents across 30 round-trip routes.
Routes from CLT of similar length: Tbilisi (6,117 mi) at $1400 and Accra (5,475 mi) at $1148.
Frontier had the cheapest fare on 17 of 30 CLT routes. It is the longest of the 30 routes we track from CLT.
Of 8 departure airports with a fare to Sydney, Charlotte (CLT) ranked 8th at $1827. Lowest: $122 from Melbourne (MEL); highest: $1827 from Charlotte (CLT); 5 nonstop. Cheapest-fare airlines (routes): Jetstar (4), Frontier (2), Air India Express (1) and Qantas (1).
That depends on your passport and trip, so check the official source for Australia: Australian Department of Home Affairs: visa finder. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, Australia/Sydney; flight time is our estimate.