Flights Denver → New York — September 15, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 15, 2026 on the Denver–New York route: 1 stop itinerary (2 flights) via Orlando International (MCO), from Denver International (DEN) to Newark Liberty (EWR), first flight Frontier Airlines F94646, departs 6:40 AM, arrives 1:01 AM the next day, total travel time 16h 21m including layovers, flight time 6h 26m (layovers excluded), $177 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, 21:21 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Southwest Airlines WN4147, from Denver International (DEN) to New York LaGuardia (LGA), departs 2:35 PM, arrives 8:15 PM, direct, 3h 40m, $268 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.