Is Denver safe for tourists?

Yes, Denver is generally safe, though standard urban precautions apply.

How do I get from the airport to downtown?

The RTD A-Line train is the most convenient and reliable method.

Do I need a car in Denver?

You don't need a car for the city center, but you will need one to visit the mountains.

What is the best time to visit?

Summer is great for city activities, while winter is best for skiing.

Are there direct flights?

Yes, multiple airlines offer direct service from PHX to DEN.

Glendale

Denver

Flight Driving

Glendale to Denver

Updated: 28 May 2026

The trip from Glendale to Denver covers roughly 850 miles. Flying from Phoenix Sky Harbor to Denver International Airport is the most efficient choice, taking about 90 minutes. If you prefer driving, the route takes you north through Flagstaff and into New Mexico before heading into Colorado via I-25. This drive offers stunning mountain scenery but requires navigating high-altitude passes. Be prepared for rapidly changing weather conditions in the Rockies.

Total Distance: 1,350 km driving distance; 950 km straight-line air distance.

Fastest Way

Flying is the fastest method, with a total travel time of approximately 4 hours including airport procedures.

Cheapest Way

Flying with a budget carrier like Frontier is often cheaper than the cost of fuel and overnight lodging for a drive.

Compare Glendale to Denver Routes

	Flight Direct	Driving Direct
Duration	1 hour 30 minutes	12 hours
Avg Price	$100-$300	$140-$180 in fuel
Operator	Frontier Airlines	Personal Vehicle
Route	PHX to DEN.	I-17 North to I-40 East to I-25 North.
Tip	The A-Line train connects Denver International Airport to Union Station in 37 minutes.	Check for snow chains requirements if traveling through the mountains in winter.

Travel Tips

Altitude Adjustment
Denver is a mile high; drink plenty of water to avoid altitude sickness during your first day.
Airport Transit
Use the RTD A-Line train to get from the airport to downtown for a flat, affordable fare.
Weather Prep
Denver weather changes quickly; always carry layers, even if the forecast looks sunny.
Sun Protection
The sun is stronger at high altitudes; wear sunscreen even on cloudy days.
Driving Safety
If driving in winter, ensure your vehicle has all-season or winter tires for mountain passes.

Safety Tips

Mountain Driving
Use lower gears when descending steep mountain grades to prevent brake overheating.
Hydration
Dehydration is common at high altitudes; keep a water bottle with you at all times.
Emergency Preparedness
Carry a winter emergency kit in your car if traveling between November and April.
Urban Safety
Stick to well-lit areas in downtown Denver at night and be aware of your surroundings.