If you live in or are visiting Boulder, CO, chances are you’ll need to make a trip to Denver International Airport (DIA)at some point. Whether you’re a student at CU Boulder, a business professional, or a visitor, knowing your transportation options is key to ensuring a smooth trip.
In this guide, we break down the best ways to get to Boulder from Denver International Airport, including driving routes, public transit, costs, and insider travel tips.
How Far is Boulder from Denver International Airport?
- Distance: Boulder is approximately 42–45 miles from DIA, depending on your route.
- Travel Time: Expect a drive time of 40–50 minutes in normal traffic.
- Factors Affecting Travel Time: Traffic congestion, weather conditions, and the time of day can all impact your travel time.
Fastest Route: Via E-470 Toll Road – 42 miles (~41 minutes).
Most Scenic Route: Via US-36 W – 44 miles (~49 minutes), passing through Downtown Denver.
Alternative Route: Via I-76 W & US-36 W – 45 miles (~48 minutes).
Best Ways to Get from Boulder to DIA
There are several ways to get from Boulder to Denver International Airport, each with its own pros and cons.
Here’s a breakdown of your options:
Driving Yourself
For those with access to a car, driving is often the fastest and most convenient way to reach DIA.
Estimated Drive Time: 40–50 minutes.
Fastest Route: E-470 Toll Road.
Most Scenic Route: US-36 W through Denver.
Parking at DIA:
- Economy Lot: $7/day
- Garage Parking: $28/day
- Short-Term Parking: $6/hour
Tip: If you’re driving yourself, check DIA’s Parking Page for real-time availability.
Rideshare (Uber/Lyft) & Taxis
If you prefer a door-to-door service, Uber, Lyft, and taxis offer convenient options.
UberX Estimate: $80–$100 (varies by time of day & demand).
Lyft Estimate: $75–$95.
Taxi Fare: ~$100 each way.
Tip: Prices fluctuate during peak hours (early mornings & late evenings). Check pricing in the app before booking.
Public Transportation (RTD SkyRide AB Bus)
If you’re looking for the most affordable option, the RTD SkyRide AB bus is your best bet.
Fare: $10.50 for an Airport Day Pass.
Travel Time: ~1 hour 13 minutes.
Schedule: Buses run hourly.
Where to Catch the Bus in Boulder:
- Downtown Boulder Station (14th & Walnut St.)
- Broadway & Euclid Ave (CU Boulder Area)
- US 36 & Table Mesa Park-n-Ride
Tip: Buy your ticket online via RTD Denver to save time.
Shuttle Services
For those who prefer a reserved ride, several shuttle companies offer door-to-door service between Boulder and DIA.
Top Shuttle Options:
Boulder Shuttle
- Cost: ~$49 per person
- Service: Residential pickups available
- Book at: Boulder Shuttle
Eight Back Airport Shuttle
- Cost: Varies based on service level
- Service: Shared & private rides available
- Book at: Eight Black Airport Shuttle
Tip: Book your shuttle in advance, as seats fill up quickly, especially during holidays.
Cost Comparison: Which Option is Best?
Driving (Self-Park at DIA)
- Estimated Cost: $7 – $28/day (plus gas)
- Travel Time: 40-50 min
- Best For: Travelers with their own car
Uber/Lyft
- Estimated Cost: $80-100
- Travel Time: 40-50 min
- Best For: Convenience & no parking hassle
Taxi
- Estimated Cost: ~$100
- Travel Time: 40-50 min
- Best For: Direct & hassle-free
RTD SkyRide Bus
- Estimated Cost: $10.50
- Travel Time: ~ 1 hr 13 min
- Best For: Budget-conscious travelers
Shuttle Services
- Estimated Cost: $49
- Travel Time: ~ 1 hr
- Best For: Pre-scheduled door-to-door service
Tip: If traveling with a group, Uber/Lyft may be cheaper per person than a shuttle.
Tips for a Smooth Trip to DIA
Best Times to Travel:
- Avoid rush hour: Weekday mornings (7-9 AM) and evenings (4-6 PM) can add 10-20 extra minutes to your trip.
- E-470 Toll Road is Faster during peak travel times
Packing Tips for Transit Riders
- If taking the RTD Bus, packing light – large suitcases can be difficult to maneuver.
- Shuttle services allow larger luggage, but check policies before booking.
Airport & Airport Lounges
- Arrive at DIA at least 2 hours before your flight for domestic travel.
- Check DIA’s Security Wait TImes for updates.
- Need a quiet spot? Try the American Express Centurion Lounge (Concourse C).
Final Thoughts
No matter how you choose to get from Boulder to Denver International Airport, planning ahead is the key to a stress-free trip.
- If cost is your priority: Take the RTD SkyRide Bus ($10.50).
- If convenience matters most: Book an Uber/Lyft or Shuttle Service.
- If you prefer to drive: Be sure to check parking rates & availability at DIA.
Now that you know all the best ways to get to DIA from Boulder, you can choose the method that works best for your schedule and budget. Safe travels!
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