Question : How long are most people's visits to Hong Kong when they fly in from Spokane?
Answer : Of course you're not most people, but if you were, you'd stay roughly 23 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Wednesday is your cheapest day to fly in December. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Have you considered flying into another airport besides Hong Kong International Airport (HKG) in order to save?
Answer : Shenzhen Bao'an International Airport (SZX) is just 24 miles away and on average, flights are 45% cheaper for the coming two months. Save a few bucks and put it towards your next trip.
Question : Do prices change more for this route than others?
Answer : Flight prices for GEG to HKG fluctuate a lot more than most. The further out you book a route, the more likely you are to save.