Flights Seattle → New York — September 24, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Thursday, September 24, 2026 on the Seattle–New York route: 1 stop itinerary (2 flights) via Denver International (DEN), from Seattle-Tacoma (SEA) to Newark Liberty (EWR), first flight United Airlines UA2601, departs 5:00 AM, arrives 6:23 PM, total travel time 10h 23m including layovers, flight time 6h 38m (layovers excluded), $228 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 10, 2026, 21:23 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Alaska Airlines AS22, from Seattle-Tacoma (SEA) to New York JFK (JFK), departs 11:15 PM, arrives 7:48 AM the next day, direct, 5h 33m, $242 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.