Question : Is price more important than specific travel days for you?
Answer : For the month of August, the cheapest day to fly is Monday. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : Which airline is offering the cheapest flight from BIL to BOS?
Answer : Delta Air Lines is offering the best deal at $413. Better snatch it up quickly because prices range all the way up to $1,336 over the next three months.
Question : How long do most people stay in Boston?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices fluctuate less than most routes in the United States for BIL to BOS. They vary from $413 to $1,336. Prices tend to be lower the further out you book.
Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at Aug 17th. As of Jul 17th, it's showing the cheapest ticket sales at $464. That is 21% below the average price for this route, so you can spend that extra cash on a fun experience in Boston.