Train
Bus
Portland to Seattle
Updated: 28 May 2026
The journey from Portland to Seattle is a short 280-kilometer trip along the I-5 corridor. You can take the Amtrak Cascades train, which offers scenic views of the Puget Sound and takes about 3.5 hours. Driving takes roughly 3 hours depending on traffic in the Tacoma and Seattle metro areas. Buses are also a popular, budget-friendly option with frequent departures from Portland Union Station.
Total Distance: 280 km driving distance; 230 km straight-line air distance.
Fastest Way
Driving is the fastest, provided you avoid peak rush hour traffic.
Cheapest Way
Bus travel is generally the most affordable option for this route.
Compare Portland to Seattle Routes
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Direct
|
Direct
|
|
|---|---|---|
| Duration | 3 hours 30 mins | 3 hours 15 mins |
| Avg Price | $30-$60 | $20-$40 |
| Operator | Amtrak Cascades | FlixBus |
| Route | Portland Union Station to King Street Station | Portland City Center to Seattle Downtown |
| Tip | Book a seat on the left side of the train for the best ocean views. | Buses offer free Wi-Fi and power outlets for travelers. |
Travel Tips
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TrafficAvoid driving through Tacoma between 3 PM and 6 PM.
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Public TransitUse the Link Light Rail in Seattle to get from the airport to downtown.
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WeatherAlways carry a light rain jacket, even in the summer.
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CoffeeExplore the local independent coffee scene beyond the major chains.
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WalkingSeattle is hilly; wear comfortable walking shoes.
Safety Tips
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Urban SafetyStay aware of your surroundings in downtown areas at night.
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Road SafetyBe prepared for sudden rain showers that can make roads slick.
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EmergencyKeep emergency contacts saved in your phone.
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ValuablesDo not leave bags unattended in public transit hubs.
People Also Ask
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Is the train better than driving?The train is more relaxing and offers better scenery.
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How long is the drive?Usually 3 hours, but traffic can double this time.
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Are there direct buses?Yes, multiple companies offer direct service.
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Is Seattle walkable?Downtown is very walkable, but hilly.
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What is the best way to travel?Amtrak Cascades is widely considered the most comfortable.
Quick Info
- From Portland, Oregon, United States
- To Seattle, Washington, United States
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Modes
Best Time to Travel
June to September for clear skies and outdoor activities.
Things to Do in Seattle
1
Pike Place Market
Visit the famous fish market and see the original Starbucks. It is a bustling hub of local food and crafts.
2
Space Needle
Take the elevator to the top for panoramic views of the city and Mount Rainier. It is an iconic Seattle landmark.
3
Chihuly Garden and Glass
View stunning glass sculptures in a beautiful garden setting. The colors are vibrant and unique.
4
Museum of Pop Culture
Explore exhibits on music, science fiction, and video games. The building's architecture is striking.
Tags
Portland to Seattle
Amtrak Cascades
driving to Seattle
bus to Seattle
Pacific Northwest travel
Portland travel
Seattle guide
I-5 corridor
