What is the average cost to fly from St Louis to Anchorage?
United Airlines charges $603 for a round trip ticket from St. Louis to Anchorage, Alaska. Of course this fare can vary depending on the dates of travel. I always use Kayak.com to find the lowest fares.
From Minneapolis to Anchorage was all over the place. I went 3 times and it varied $160. Keep checking the rates.