Flights Dallas → Chicago — September 21, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 21, 2026 on the Dallas–Chicago route: 1 stop itinerary (2 flights) via Las Vegas Harry Reid (LAS), from Dallas/Fort Worth (DFW) to Chicago O'Hare (ORD), first flight Frontier Airlines F91647, departs 8:40 PM, arrives 5:38 AM the next day, total travel time 8h 58m including layovers, flight time 6h 50m (layovers excluded), $156 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Frontier Airlines F93242, from Dallas/Fort Worth (DFW) to Chicago O'Hare (ORD), departs 4:52 PM, arrives 7:35 PM, direct, 2h 43m, $174 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.