Question : How long do most people stay in Brussels?
Answer : Of course you're not most people, but if you were, you'd stay roughly two weeks.
Question : Is the price you found a good deal?
Answer : Ranging anywhere from $852 to $4,676, prices for STL to BRU do fluctuate much more than the majority of routes from the United States. Prices tend to be lower the further out you book.
Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Aug 17th has seen bookings (as of Jul 17th) as cheap as $916. That comes in 50% below the average price for this route. Saving on flight costs means you'll have more money to spend on your trip.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The best day to fly on a budget this month is Tuesday. Being flexible with your travel days garners even more savings during booking.