✈️ How to Get to Denver Airport from Union Station [2025–2026 Guide]
Take the A Line commuter train from Union Station to Denver International Airport. The ride takes 37 minutes, costs $10.50, and runs every 15 minutes daily.
🏙️ Why Travel from Union Station to Denver Airport?
If you’re in downtown Denver, Union Station is the city’s central hub for transportation, shopping, and dining. From here, travelers often head to Denver International Airport (DEN), one of the busiest airports in the U.S. This guide covers all the best ways to get there in 2025–2026.
🚆 Option 1: A Line Commuter Train (Best Choice)
The University of Colorado A Line is the most reliable and affordable way to get to Denver Airport from Union Station.
- Route: Union Station → 6 stops → Denver International Airport Station (inside the airport).
- Travel Time: 37 minutes.
- Cost: $10.50 (Regional RTD Day Pass).
- Frequency: Every 15 minutes (early morning to late night).
- Best For: Solo travelers, commuters, and those wanting a stress-free trip.
💡 Pro Tip: Your ticket also gives you unlimited rides on RTD buses and light rail for the same day.
🚖 Option 2: Taxi or Rideshare (Most Direct)
If you’re traveling with luggage or in a group, taxis, Uber, and Lyft are available from Union Station.
- Route: Union Station → Peña Boulevard → Denver International Airport.
- Travel Time: 30–40 minutes (longer during rush hour).
- Cost: $50–$75 depending on traffic.
- Best For: Families, late-night departures, or travelers with heavy bags.
🚌 Option 3: Shuttle Services
Private airport shuttles operate from downtown hotels and Union Station.
- Travel Time: 40–50 minutes.
- Cost: $30–$40 per person.
- Best For: Travelers who prefer a scheduled ride but don’t want to use public transit.
🚗 Option 4: Driving or Rental Car
If you’re planning a road trip, driving from Union Station to the airport is straightforward.
- Route: I-70 East → Peña Boulevard → Denver International Airport.
- Travel Time: 30–35 minutes.
- Cost: Gas + airport parking ($8–$30/day).
- Best For: Long-term travelers or families needing flexibility.
🚲 Option 5: Bike or E-Scooter (Adventurous Option)
Denver is bike-friendly, but biking to the airport is only for seasoned riders.
- Route: Union Station → Sand Creek Trail → Peña Boulevard → Airport.
- Travel Time: 1.5–2 hours.
- Cost: Free if you own a bike, $5–$15 for rental.
- Best For: Adventurers and locals, not ideal for most air travelers.
📊 Quick Comparison Table
| Option | Travel Time | Cost | Best For |
|---|---|---|---|
| A Line Train | 37 mins | $10.50 | Fast, affordable, reliable |
| Taxi/Rideshare | 30–40 mins | $50–$75 | Groups, late-night, heavy luggage |
| Shuttle Service | 40–50 mins | $30–$40 | Travelers preferring scheduled rides |
| Driving/Rental Car | 30–35 mins | Gas + $8–$30/day | Flexibility, long-term travelers |
| Bike/Scooter | 1.5–2 hrs | $0–$15 | Adventurers only |
🙋 FAQs About Getting to Denver Airport from Union Station
Q1: What is the cheapest way to get from Union Station to Denver Airport?
The A Line commuter train is the cheapest and most reliable, at just $10.50.
Q2: How long is the train ride from Union Station to Denver Airport?
The trip takes 37 minutes with trains running every 15 minutes.
Q3: Is Uber cheaper than the train in Denver?
No, Uber and Lyft usually cost $50–$75, much higher than the train fare.
Q4: What time does the A Line run to Denver Airport?
It runs from early morning until after midnight, every 15 minutes during the day and every 30 minutes late night.
Q5: Can I park at Union Station and take the train?
Yes, but Union Station parking can be limited. Many travelers prefer parking at RTD Park-n-Ride lots along the A Line.
✅ Final Word:
The easiest way to reach Denver International Airport from Union Station is by the A Line commuter train, offering speed, affordability, and convenience. Taxis, shuttles, and rental cars provide alternatives, but for most travelers in 2025–2026, the train is the best choice.