Air
- Companies: Alaska Airlines, Delta Airlines
 - Duration: Approximately 4 hours (including layover time)
 - Distance: 270 miles
 - Costs: Approximately €150 - €250 (depending on booking time and class)
 - Roads/Routes: Not applicable
 
Pro Tip: Consider booking a flight early in the morning to avoid delays and enjoy less crowded airports.
Road
- Companies: N/A (personal vehicle recommended)
 - Duration: Approximately 6 hours
 - Distance: 380 miles
 - Costs: Approximately €60 (gasoline, assuming average fuel efficiency)
 - Roads/Routes: US-395 N to I-90 W
 
Pro Tip: Make a stop at the beautiful Columbia River Gorge for breathtaking views and a good break during your journey.
Bus
- Companies: Greyhound, FlixBus
 - Duration: Approximately 10 hours
 - Distance: 380 miles
 - Costs: Approximately €40 - €80 (depending on the time of booking and class)
 - Roads/Routes: US-395 N to I-90 W
 
Pro Tip: Choose a night bus for an overnight journey, allowing you to save on accommodation while traveling.
Recommendation
Based on the analysis, the best option for a traveler would likely be flying for its overall speed and convenience, especially for long-distance travel. However, if you value the journey and scenery, driving would provide a unique experience with stops along the way. Buses, while cost-effective, significantly increase travel time and may not be as comfortable.