1. Set the timer for 15 minutes: It should not take you hours. "At what point is it worth going further to save a dollar?" says travel expert Russell Hannon of Breakthetravelbarrier.com. 2. Pick a spread of sites: Most travel sites employ one or more of three massive airfare search databases - ITA, Amadeus, and Travelfusion - but all get different results depending on their focus. 3. Look for special deals: Some sites do more than just aggregate pricing information. Online travel agencies like Expedia, Travelocity and Orbitz may have special pricing and loyalty incentives. But they can also add booking fees, and critics also say they do not present consumers with as many options. Get the full story at Reuters