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At the moment, you can catch a direct flight from Denver to New York with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 4 hours 23 minutes to fly from Denver (DEN) to New York (NYC).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to New York is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 54 flight per week flying from Denver to New York. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL398 (06:53)

The cheapest months to fly from Denver to New York is December, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Denver to New York on December 10, 2025 with Frontier Airlines, with prices starting at KWD 21.

You can land at any one of the following hubs in New York, with Denver International Airport to LaGuardia Airport (DEN-LGA) is by far the most common option on this route: John F. Kennedy International Airport (JFK) Newark Liberty International Airport (EWR) LaGuardia Airport (LGA) New York Skyports Seaplane Base (NYS) Stewart International Airport (SWF).

The time difference between New York and Denver is 2h.

Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.