Charlotte (CLT) to Chicago (CHI): 599 miles (965 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $161 round-trip on Frontier, with 1 stop, departing May 20, 2026.
$161 round-trip, Frontier F91983, departing 2026-05-20 at 17:35, returning 2026-05-27. The recorded itinerary left on a Wednesday, returning on a Wednesday 7 nights later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $161, it ranked 6th of the 30 round-trip fares we recorded from CLT (median $293). That is 26.9 cents per great-circle mile (round-trip price over one-way distance), above the CLT median of 22.0 cents across 30 round-trip routes.
Routes from CLT of similar length: West Palm Beach (592 mi) at $329 and St Louis (574 mi) at $279.
Frontier had the cheapest fare on 17 of 30 CLT routes. It is the 23rd longest of the 30 routes we track from CLT.
Of 33 departure airports with a fare to Chicago, Charlotte (CLT) ranked 8th at $161. Lowest: $89 from Atlanta (ATL); highest: $1241 from Nairobi (NBO); 16 nonstop. Cheapest-fare airlines (routes): Frontier (15), Spirit (5), United Airlines (4), American Airlines (2), airline 0O (1) and Alaska Airlines (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Chicago; flight time is our estimate.