Here’s a different European destination at a discount: Belgrade, Serbia, can be reached on United and Lufthansa for $744 round trip, including all taxes and fees. It is subject to availability and other restrictions apply. The fare must be purchased at least seven days in advance. It is for travel between Nov. 1 and Dec. 10 and between Jan. 10 and March 26. Info: United, (800) 864-8331; Lufthansa, (800) 645-3880. Source: Airfarewatchdog Follow us @latimestravel on Twitter.