Flights New York → Washington — September 15, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 15, 2026 on the New York–Washington route: 1 stop itinerary (2 flights) via Atlanta Hartsfield-Jackson (ATL), from New York JFK (JFK) to Washington Dulles (IAD), first flight Frontier Airlines F94731, departs 1:00 PM, arrives 12:10 AM the next day, total travel time 11h 10m including layovers, flight time 4h 30m (layovers excluded), $125 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 5, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: American Airlines AA4754, from New York LaGuardia (LGA) to Washington Reagan National (DCA), departs 9:08 AM, arrives 10:44 AM, direct, 1h 36m, $135 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.