Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of December, the cheapest day to fly is Sunday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Do prices change more for this route than others?
Answer : Prices for RST to SMF do change a lot more than the majority of routes. Prices tend to be lower the further out you book.