via I-5
The drive from Seattle to Leavenworth takes approximately 2h 15min, covering 120 miles via I-5. Under normal conditions, expect to spend around $14 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 3–4+ 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.
For this shorter drive, the best time to go is weekday mid-day. Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
The main West Coast highway. Heavy traffic near LA, San Francisco, and Seattle. Scenic stretches through Oregon and Northern California.
This trip can typically be done on a single tank of gas.
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
The moderate drive from Seattle to Leavenworth follows I-5 for 120 miles, with an estimated travel time of 2h 15min under normal conditions. Fuel costs run approximately $14 at current prices, assuming average fuel efficiency of 30 MPG. Weekday mid-day is generally the best window to depart for the smoothest ride.
Covering 120 miles, this is a solid half-day drive. Pack some snacks and a good playlist — you'll want to stay comfortable for the journey. A single fuel stop should be sufficient for most vehicles.