Most popular travel sites: Expedia, Travelocity, CheapTickets

HitWise compiled a list of most popular online travel destinations in September 2005.

1. Expedia.com
2. Travelocity.com
3. Cheap Tickets
4. Orbitz
5. Priceline.com
6. Yahoo! Travel
7. Hotwire
8. ITN.net
9. Vacations To Go
10. SideStep