Question : How long do most people stay in Anchorage?
Answer : Of course you're not most people, but if you were, you'd stay roughly two weeks.
Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Jul 19th. As of Jun 19th, it's showing the cheapest ticket sales at $816. That is 20% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Tuesday is your lowest-cost day to fly in the month of July. Being flexible with your travel days garners even more savings during booking.
Question : What price range should you expect when booking from San Juan (SJU) to Anchorage (ANC)?
Answer : Flight prices fluctuate less than the majority of routes from Puerto Rico for SJU to ANC. They range from $686 to $1,340. However, the sooner you book, the more you'll be able to save.