Ashburn
Ashburn
Seattle
Seattle
Train Flight

Ashburn to Seattle

Updated: 28 May 2026

The journey from Ashburn to Seattle spans over 4,300 kilometers. Flying from Dulles (IAD) to Seattle-Tacoma (SEA) is the only practical mode for most travelers. The flight takes approximately 6 hours. Alternatively, you can take an Amtrak train from Washington D.C., which is a multi-day scenic experience. Seattle is known for its coffee culture and proximity to nature.

Total Distance: Driving distance 4,300 km; Air distance 3,700 km.
Fastest Way
Direct flight from IAD to SEA takes 6 hours.
Cheapest Way
Booking a flight in advance is significantly cheaper than the train.
Compare Ashburn to Seattle Routes
Train
Connecting
Flight
Direct
Duration 72 hours 6 hours
Avg Price $500-$1,200 $300-$600
Operator Amtrak Alaska Airlines
Route Union Station to Chicago to Seattle IAD to SEA
Tip The Empire Builder route is incredibly scenic. Alaska Airlines offers direct service from Dulles.
Travel Tips
  • Rain Gear
    Always carry a light waterproof jacket; it drizzles often.
  • Coffee
    Visit local independent roasters for the best coffee experience.
  • Transit
    Use the Link Light Rail to get from the airport to downtown.
  • Booking
    Book flights at least a month ahead for better rates.
  • Nature
    Take a ferry to Bainbridge Island for great skyline views.
Safety Tips
  • Urban Safety
    Be aware of your surroundings in downtown areas at night.
  • Hiking Safety
    If hiking, always tell someone your route and expected return time.
  • Emergency
    Keep your phone charged as mountain areas have poor service.
  • Weather
    Be prepared for sudden temperature drops in the mountains.
People Also Ask
  • Is there a direct train?
    No, you must transfer in Chicago.
  • How long is the flight?
    Approximately 6 hours.
  • What is the best way to see the city?
    Walking and the light rail system.
  • Does it rain all the time?
    It is often overcast, but heavy rain is seasonal.
  • Are there direct flights from IAD?
    Yes, Alaska Airlines operates this route.
Quick Info
  • From Ashburn, Virginia, United States
  • To Seattle, Washington, United States
  • Modes
Best Time to Travel

July to September for the best weather and outdoor activities.

Things to Do in Seattle
1
Space Needle
Visit the iconic tower for panoramic views of the city and mountains.
2
Pike Place Market
Watch the fish throwers and explore the historic market stalls.
3
Chihuly Garden and Glass
See stunning glass art installations. It is a visual masterpiece.
4
Museum of Pop Culture
Explore exhibits on music, sci-fi, and gaming. It is highly interactive.
Tags
Ashburn to Seattle flights train to Seattle from DC IAD to SEA flight Seattle travel guide cross-country travel best way to Seattle Amtrak to Seattle traveling to Washington state