Flights New York → Washington — September 25, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 25, 2026 on the New York–Washington route: 1 stop itinerary (2 flights) via Atlanta Hartsfield-Jackson (ATL), from New York LaGuardia (LGA) to Washington Dulles (IAD), first flight Frontier Airlines F93453, departs 4:55 PM, arrives 12:10 AM the next day, total travel time 7h 15m including layovers, flight time 4h 31m (layovers excluded), $126 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 11, 2026, 04:49 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA6285, from New York LaGuardia (LGA) to Washington Dulles (IAD), departs 6:00 AM, arrives 7:23 AM, direct, 1h 23m, $138 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.