Flights Washington → New York — September 18, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 18, 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), $152 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 8, 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: American Airlines AA4719, from Washington Reagan National (DCA) to New York LaGuardia (LGA), departs 10:24 PM, arrives 11:44 PM, direct, 1h 20m, $163 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.