Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at February 8th. As of January 16th, the cheapest ticket sales are coming in 40% below the average price for this route, so you can spend that extra money on an adventure in Melbourne.
Question : Do travelers from Saint Louis typically stay in Melbourne for very long?
Answer : Of course you're not most people, but if you were, you'd stay roughly 30 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in February is Friday. Being flexible with your travel days garners you even more savings during your booking.
Question : How often are prices changing for this route?
Answer : Prices for STL to MEL do fluctuate a lot more than most routes. Prices tend to be lower the further out you book.