Ahead of Memorial Day, Delta released its third annual list of most-searched international summer destinations based on search data gathered from Delta.com and the Fly Delta App* – revealing which cities are top of mind for customers as they make their 2025 summer travel plans.  

London, Paris and Rome are once again at the top of the list for most-searched international destinations, with searches for Paris growing by approximately 16% compared to last year. Tokyo, Japan moved up on the list from #7 to #6, with a 54% increase in searches compared to last year. And Lisbon, Portugal joined the top 10 list for the first time, overtaking Vancouver thanks to a 6.5% increase in searches since this time last year. 

1. London, England
2. Paris, France
3. Rome, Italy
4. Cancun, Mexico
5. Athens, Greece
6. Tokyo, Japan
7. Amsterdam, Netherlands
8. Dublin, Ireland
9. Barcelona, Spain
10. Lisbon, Portugal 

On the domestic front, the top 10 most-searched destinations include New York City, Atlanta, Orlando, Las Vegas, Seattle, Los Angeles, Boston, Minneapolis, Detroit and Honolulu – many of which are Delta hubs, which connect travelers to more than 300 destinations across six continents.  

 For more information and to view the latest flight deals, visit Delta.com.   

 *Data was pulled from U.S.-based searches on Delta.com and the Fly Delta App from Nov. 1, 2024 to March 25, 2025 for travel between May 1 and August 31, 2025.