via I-5
The drive from Portland to Las Vegas takes approximately 16h 22min, covering 982 miles via I-5. Under normal conditions, expect to spend around $114 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 22–23+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
The main West Coast highway. Heavy traffic near LA, San Francisco, and Seattle. Scenic stretches through Oregon and Northern California.
You'll likely need 2 fuel stops along the way.
For a long drive like Portland to Las Vegas, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
✈️ Flying is faster when you factor in airport time. Flight time is ~1h 58m but add ~2.5 hours for check-in, security, and boarding.
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Popular cities along the route for rest, food, or fuel:
The journey from Portland to Las Vegas stretches 982 miles along I-5 and typically takes 16h 22min to complete. At today's fuel prices, expect to spend around $114 on gas. Departing during weekday mid-day gives you the best chance of avoiding congestion along the way.
This 982-mile trek is a true American road trip. Stock up on audiobooks or podcasts, rotate drivers if possible, and build in time for roadside attractions. The journey itself is part of the adventure. Popular stopping points include Reno, Lake Tahoe, Sacramento — great options for grabbing a meal, fueling up, or stretching your legs.