How long is the flight?

A direct flight takes about 2 hours and 30 minutes.

Is it better to drive?

Only if you want to explore the cities along the route, like Omaha.

What is the best time to visit?

Summer and winter are both popular depending on your interest in hiking or skiing.

Are there direct flights?

Yes, multiple airlines offer daily non-stop flights from Chicago to Denver.

Do I need a car in Denver?

It depends; you can get by with public transit in the city, but a car is better for exploring the mountains.

Chicago

Denver

Train Flight

Chicago to Denver

Updated: 28 May 2026

The distance from Chicago to Denver is approximately 1,000 miles. Flying is the most efficient option, with non-stop flights from O'Hare or Midway taking about 2.5 hours. For a scenic experience, the Amtrak California Zephyr offers a beautiful route through the plains and into the Rockies. Driving is a long road trip, typically taking 15 to 17 hours via I-80.

Total Distance: Driving distance 1,600 km, air distance 1,450 km.

Fastest Way

A non-stop flight from Chicago to Denver takes approximately 2.5 hours.

Cheapest Way

Budget airlines often have competitive fares on this popular route.

Compare Chicago to Denver Routes

	Train Direct	Flight Direct
Duration	18 hours	2 hours 30 mins
Avg Price	$150-$300	$100-$250
Operator	Amtrak California Zephyr	United Airlines, Southwest Airlines
Route	Chicago Union Station to Denver Union Station.	ORD or MDW to DEN.
Tip	The route through the Rockies is one of the most scenic train rides in the world.	Denver International Airport is located far from downtown; use the A-Line train for transit.

Travel Tips

Altitude
Denver is a mile high; drink plenty of water to avoid altitude sickness.
Public Transit
Use the RTD light rail system to navigate the city and reach the airport.
Weather
Mountain weather can change rapidly; dress in layers.
Dining
Try the local craft beer scene; Denver is famous for its breweries.
Walking
Downtown Denver is very walkable and features many parks and plazas.

Safety Tips

Stay Alert
Be aware of your surroundings in busy tourist areas like downtown.
Vehicle Security
Always lock your car and keep valuables out of sight.
Emergency Services
Denver has excellent medical facilities; know the location of the nearest hospital.
Pedestrian Safety
Use crosswalks and be cautious of traffic when walking in the city.