You can book one-way flights from $46 or 4,000 miles in Alaska Airlines’ fall sale

Alaska Airlines just dropped its annual fall fare sale, offering one-way Saver fares for West Coast destinations for as low as $46 or 4,000 Alaska Airlines Mileage Plan miles. The sale covers hundreds of routes in the airline’s network — including Hawaii — for travel this fall. Some of the cheapest deals we found include …