On Monday, August 26th, the 2013 US Open is going to begin. Running from the 26th to September 9th, the US Open is the United States' biggest tennis tournament and for many, this marks the beginning of the end of the summer. Prices for US Open tickets are averaging $336/seat, which is the highest prices have been in four years. Prices are also significantly higher for US Open sessions after labor, as prices jump 88% for the later rounds.
For more information on US Open tickets, check out our post on Forbes.com.