just up I-15 then take the Idaho falls exit then they have signs from there,
It is about 380 miles across Wyoming or about a seven hour drive.
7
4.15 hours at 65 mph. The distance is 270 miles.
It takes about two hours and is a beautiful drive. JR
8 hours
Google Maps estimates the driving time as 4 hours and 28 minutes.
3 hours and 51 minutes
1 minute 15 seconds
It is a 2038.0 mi drive
Yes you can. I checked with Priceline.com and there are a lot of flights from Boise to Idaho Falls, but they aren't direct flights. Most of them go through Salt Lake City or another major city. It would be cheaper and quicker to drive.
Given is the calculated distance as well as the driving travel time, which does not take into account driving conditions, traffic, etc. The distance between Idaho Falls, Idaho and Spokane, Washington is 514 miles. The resulting travel time is 8 hours and 21 minutes.