- Associated Press - Wednesday, July 7, 2010

EASE OF USE: Travel-focused search engines including Kayak, Bing Travel and TripAdvisor check multiple sites at once as you search for the best airline fares.

NEW REALITIES: Fees for checking luggage are now common and can add up. Kayak and TripAdvisor both let you include such fees in comparing fares.

LOWEST PRICES: Bing helps predict whether fares are likely to go up or down, but TripAdvisor tends to bring you the lowest prices to begin with.



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