Flights New York → Denver — September 17, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Thursday, September 17, 2026 on the New York–Denver route: 1 stop itinerary (2 flights) via Orlando International (MCO), from Newark Liberty (EWR) to Denver International (DEN), first flight Frontier Airlines F91659, departs 5:55 AM, arrives 7:37 PM, total travel time 15h 42m including layovers, flight time 7h 4m (layovers excluded), $189 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 7, 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: United Airlines UA716, from New York LaGuardia (LGA) to Denver International (DEN), departs 10:00 AM, arrives 12:22 PM, direct, 4h 22m, $288 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.