Alaska Airlines offers select 1-way fares with prices starting at $48.10. (Click on Alaska Airlines in the top line to see this price.) That's tied with last week's mention as the best rate we've seen for nationwide flights on Alaska Airlines. It's also the lowest rate we could find for these routes by $10. This price is valid on flights departing from Boise, ID, (BOI) to Salt Lake City, UT (SLC) on February 24; prices vary depending on the departure cities and dates chosen. Book this travel deal by February 2 for travel from February 10 through March 17. Click here to see more routes.