The sale ends tomorrow, Jan. 9, at 11:59 p.m. PT and is available for travel dates between Jan. 28 and March 19. Hundreds of routes are on sale, according to the airline, with the lowest one-way fares bookable for $39 or 4,000 miles and minimal taxes and fees.

For the first time this summer, Alaska Airlines is connecting Anchorage to both Detroit and Sacramento with seasonal nonstop flights, as well as resuming nonstop service between Fairbanks and Portland.

Grab some of the most valuable types of airline miles out there via an increased bonus on the Alaska Airlines Business credit card. Here are the details.