Thriftyapp

Search for flights on Momondo’s search engine which also includes high speed trains in Europe.

Last Minute Travel offers hotel, flight, cruises, cars, and vacation packages.  Also, boasts a rewards program and coupons.

Tripeedo will open several tabs so be prepared.  This, however, takes you right to the horses mouth for the best deals.

12rent.com searches over 550 car rental companies for the best comparison shopping deal.  The site focuses on airports and other major car rental locations.

Orbitz.com offers price assurance refunds and no cancellation fees when you book a flight or hotel on its site.

Cheaptickets.com includes “cheap of the week,” a particularly great travel deals, and lower fees than a number of competitors.