For a childless couple planning a summer vacation, Hungary still sees the highest price increases for Czech travelers, with costs up 25.8 percent. The Czech Republic follows at a 15.7 percent increase, with Poland (13.2 percent) and Croatia (12.2 percent) right behind. Prices in Malta (2.3 percent) and Luxembourg (1.8 percent) are only slightly up for couples, while costs to travel to Sweden are down 5.8 percent this year.