Question : Do prices fluctuate more for this route than others?
Answer : Flight prices change much more than the majority of routes from the United States for COS to BRU. They range anywhere from $1,187 to $2,859. The further out you book a route, the more likely you are to save.
Question : What is the cheapest round-trip ticket you can get to Brussels?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $1,187, while prices for other flights are as high as $2,859.
Question : How many days should you spend in Brussels?
Answer : Passengers from COS to BRU stay three days on average.
Question : Would you be willing to change your travel days if it saved you money?
Answer : Wednesday is your lowest-cost day to fly in March. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.