Dallas (DFW) to Chicago (CHI): 802 miles (1,291 km) great-circle, about 2h 05m nonstop by our estimate. Cheapest fare observed: $94 round-trip on Frontier, nonstop, departing May 9, 2026.
$94 round-trip, Frontier F91888, departing 2026-05-09 at 11:55, returning 2026-05-12. The recorded itinerary left on a Saturday, returning on a Tuesday 3 nights later; the fare was observed 14 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $94, it ranked 2nd of the 30 round-trip fares we recorded from DFW (median $198). That is 11.7 cents per great-circle mile (round-trip price over one-way distance), below the DFW median of 15.9 cents across 30 round-trip routes.
Routes from DFW of similar length: Phoenix (866 mi) at $71 and Atlanta (730 mi) at $123.
Frontier had the cheapest fare on 18 of 30 DFW routes. It is the 26th longest of the 30 routes we track from DFW.
Of 33 departure airports with a fare to Chicago, Dallas (DFW) ranked 2nd at $94. 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/Chicago, America/Chicago; flight time is our estimate.