Portland
Portland
Denver
Denver
Train Flight

Portland to Denver

Updated: 30 May 2026

The journey from Portland to Denver covers over 1,800 miles. The most practical way to travel is by air, with connecting flights from Portland International Jetport (PWM) to Denver International Airport (DEN). Alternatively, you can take the Amtrak Downeaster to Boston and transfer to the Lake Shore Limited and eventually the California Zephyr line, which travels directly to Denver. Flying is significantly faster, taking about 7 to 9 hours including airport transit. Denver is a major hub, making it easily accessible from most major airports.

Total Distance: 3,000 km driving distance; 2,700 km straight-line air distance.
Fastest Way
Flight from PWM to DEN, taking about 8 hours total.
Cheapest Way
Amtrak, if booked well in advance, can be competitive with airfare.
Compare Portland to Denver Routes
Train
Connecting
Flight
Connecting
Duration 50 hours 8 hours
Avg Price $350 - $700 $250 - $600
Operator Amtrak United Airlines
Route Downeaster to Boston, transfer to Lake Shore Limited, then California Zephyr to Denver. PWM to DEN
Tip The train journey is long but offers a scenic way to see the country. Use the A-Line commuter train to reach downtown Denver from the airport.
Travel Tips
  • Airport Transit
    DEN is very busy; arrive at least 2 hours before your flight.
  • Transportation
    Use the A-Line commuter train to get around Denver.
  • Weather
    Denver has cold winters and warm summers; pack accordingly.
  • Booking
    Book your flight early to avoid high prices during peak travel seasons.
  • Dining
    Try local favorites like green chili.
Safety Tips
  • City Awareness
    Stay in well-lit, populated areas, especially at night.
  • Public Transit
    Keep your belongings secure while riding the train or buses.
  • Emergency
    Dial 911 for any emergency; Denver has a responsive emergency service.
  • Walking
    Avoid walking alone in unfamiliar or isolated areas after dark.
People Also Ask
  • Is there a direct train from Portland to Denver?
    No, you must transfer multiple times to reach Denver by rail.
  • How long is the flight from PWM to DEN?
    The flight time is approximately 6 hours, plus layover and transit time.
  • What is the best way to get around Denver?
    Using the A-Line commuter train and rideshare services is the most convenient way to travel.
  • Are there direct flights from Portland to Denver?
    No, most flights require a layover in a hub city like New York or Washington, DC.
  • What should I pack for Denver?
    Pack light, breathable clothing for the summer and a warm coat for the winter.
Quick Info
  • From Portland, Maine, United States
  • To Denver, Colorado, United States
  • Modes
Best Time to Travel

May to September for pleasant weather.

Things to Do in Denver
1
Red Rocks Park and Amphitheatre
Visit the world-famous outdoor concert venue.
2
Denver Art Museum
Explore the extensive collection of art in this world-class museum.
3
Denver Botanic Gardens
Enjoy the beautiful botanical gardens.
4
Union Station
Visit the historic train station featuring shops, restaurants, and bars.
Tags
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