Question : How many days should you spend in Billings if you're flying in from San Francisco?
Answer : Over the next two months, travelers from SFO to BIL are planning on staying for seven days on average.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Monday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : How often are prices changing for this route?
Answer : Prices are fluctuating much more for this route than most routes. Prices tend to be lower the further out you book.