Flights Washington → Dallas — September 14, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 14, 2026 on the Washington–Dallas route: 1 stop itinerary (2 flights) via Denver International (DEN), from Washington Reagan National (DCA) to Dallas/Fort Worth (DFW), first flight Frontier Airlines F9689, departs 6:00 PM, arrives 12:20 AM the next day, total travel time 7h 20m including layovers, flight time 5h 53m (layovers excluded), $146 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 4, 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 F94559, from Washington Dulles (IAD) to Dallas/Fort Worth (DFW), departs 12:30 PM, arrives 2:46 PM, direct, 3h 16m, $186 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.