Question : Are you paying the cheapest or highest price for your ticket to Brussels?
Answer : Ranging anywhere from $1,394 to $5,312, prices for BIL to BRU do change much more than most routes from the United States. Remember, the sooner you book, the better price you tend to get.
Question : What is the cheapest round-trip ticket you can get to Brussels?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $1,394, while prices for other flights are as high as $5,312.