U.S. summer travel to Europe is expected to increase by 10% in 2025 according to Allianz Partners USA’s Top Summer European Destinations Report.London, Paris, and Dublin remain the top European destinations for U.S. travelers.Lisbon, Portugal reappears in the top 10 destinations, while Rome and Edinburgh round out the top five.Allianz Partners offers travel insurance through various channels and gathers data on travel plans through the online booking process.