Is there a direct train from CT to Denver?

No, you must transfer in Chicago to switch from eastern lines to the California Zephyr.

How far is the airport from downtown Denver?

Denver International Airport is approximately 40 kilometers from the city center.

What is the best month to visit Denver?

September offers the best balance of pleasant temperatures and accessible mountain roads.

Do I need a car in Denver?

Not if you stay downtown, as the light rail and walking are sufficient for most attractions.

What is the cheapest way to travel?

Flying from BDL is consistently cheaper than long-distance rail travel.

Essex

Denver

Train Flight

Essex to Denver

Updated: 28 May 2026

The journey from Essex, Connecticut to Denver, Colorado spans approximately 3,000 kilometers across the American heartland. Most travelers utilize Bradley International Airport (BDL) in Windsor Locks for a direct or connecting flight to Denver International Airport (DEN). Alternatively, you can take a regional train from Old Saybrook to New Haven, then transfer to Amtrak's Lake Shore Limited toward Chicago, connecting to the California Zephyr. This transcontinental rail route offers some of the most scenic mountain views in the country. Driving requires navigating I-84 and I-80 for roughly 30 hours of pure road time. Planning your transit requires balancing the speed of air travel against the immersive experience of long-distance rail.

Total Distance: Driving distance 3,050 km, straight-line air distance 2,650 km.

Fastest Way

Flight from BDL to DEN takes approximately 5.5 hours including layovers.

Cheapest Way

Flight from BDL to DEN is generally the most cost-effective method when booked early.

Compare Essex to Denver Routes

	Train Connecting	Flight Connecting
Duration	52 hours	5 hours 30 mins
Avg Price	$350 - $900	$250 - $600
Operator	Amtrak	United Airlines
Route	Old Saybrook to New Haven, then Lake Shore Limited to Chicago, then California Zephyr to Denver.	BDL to DEN via Chicago or Newark hubs.
Tip	Reserve a roomette on the California Zephyr for a comfortable overnight experience.	Book your flight at least 21 days in advance to secure the lowest fares.

Travel Tips

Hydration
Denver is at a high altitude; drink twice as much water as you normally do to prevent altitude sickness.
Transit Pass
Purchase an RTD Day Pass to utilize the light rail and bus system efficiently throughout the city.
Layering
Weather in Denver changes rapidly; always carry a light jacket even in the summer months.
Airport Access
Use the A-Line commuter train from Union Station to reach the airport in 37 minutes.
Sun Protection
The sun is significantly stronger at high altitudes; wear SPF 30+ sunscreen daily.

Safety Tips

Road Safety
If driving, be prepared for sudden snow squalls on I-80, even in shoulder seasons.
Urban Awareness
Stay alert in the downtown area late at night, particularly around the 16th Street Mall.
Emergency Prep
Keep a winter emergency kit in your vehicle if you choose to drive through the Rockies.
Hydration Safety
Monitor yourself for headaches or dizziness, which are early signs of altitude adjustment issues.