Flights Washington → New York — September 15, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 15, 2026 on the Washington–New York route: 1 stop itinerary (2 flights) via Atlanta Hartsfield-Jackson (ATL), from Washington Dulles (IAD) to New York LaGuardia (LGA), first flight Frontier Airlines F94707, departs 7:50 AM, arrives 4:00 PM, total travel time 8h 10m including layovers, flight time 4h 14m (layovers excluded), $116 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 6, 2026 and read by AirSource on September 10, 2026, 20:50 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA1498, from Washington Dulles (IAD) to Newark Liberty (EWR), departs 12:35 PM, arrives 2:05 PM, direct, 1h 30m, $119 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.