How long is the flight to Denver?

Direct flights take about 4 hours and 15 minutes.

Is there a train to Denver?

Yes, Amtrak's California Zephyr runs to Denver, but it is a long trip.

What is the best airport in Denver?

DEN is the only major airport serving the region.

Do I need a car in Denver?

It depends on your plans; downtown is walkable, but mountains require a car.

What is the cheapest time to fly?

Mid-week flights are generally the most affordable.

Trenton

Denver

Flight

Trenton to Denver

Updated: 28 May 2026

The distance from Trenton to Denver is approximately 2,800 kilometers. Flying from Newark (EWR) or Philadelphia (PHL) to Denver International Airport (DEN) is the most practical method, taking about four hours. Driving is a long, multi-day journey across the plains. Denver is a gateway to the Rocky Mountains and offers a vibrant urban culture. Always check your flight status before heading to the airport.

Total Distance: Driving distance 2,800 km, straight-line air distance 2,500 km.

Fastest Way

Direct flight from Newark Liberty (EWR) to Denver (DEN).

Cheapest Way

Direct flight from Newark Liberty (EWR) to Denver (DEN).

Compare Trenton to Denver Routes

Flight

Direct

Duration

4 hours 15 mins

Avg Price

$150 - $400

Operator

United Airlines

Route

EWR to DEN

United Airlines has a major hub at DEN, offering many direct flights.

Travel Tips

Airport Transit
Use the A-Line commuter train to get from DEN to downtown Denver.
Altitude
Denver is at a high altitude; drink plenty of water to avoid altitude sickness.
Transportation
A car is recommended if you plan to visit the mountains.
Weather
Weather can change quickly; dress in layers.
Booking
Book your flight at least three weeks in advance for better pricing.