Mobissimo, checks multiple travel sites
Sidestep, checks multiple travel sites
Kayak, checks multiple travel sites
Travelocity, travel agency and on-line reservations
Expedia, Microsoft's on-line travel agency
Orbitz.com, the travel site backed by American, Continental, Delta, Northwest and United airlines
Priceline.com, submit a price for planes or hotels, reserve the rate with your credit card, and then see if Priceline.com can match it. (you cannot resubmit a different price though)
Best Fares, deeply discounted travel deals and advice about finding travel bargains on the Web
Preview Travel, travel agency and on-line reservations
Smarter Living, free service devoted to budget travel, including airline tickets, car rentals, and hotels.
Hotel Reservations Network, low room rates at hundreds of hotels
Travel Information
U.S. and International AirportsAirwise, information about the major world airports (including a currency converter and info. about trip from airport to center city)
FlightArrivals.com, "the internet's most comprehensive, independent source of commercial flight information" (US and Canadian flights).
Tour Guides and Travel Books
Fodors.Com, lets travelers create their own mini-guidebooksIndex Ireland, an index of links about Ireland
MyTravelGuide.com, collection of travel guides
Rough Guides, covers over 10,000 destinations from their 100+ guidebooks.
Travel.Org, Directory for Travel organized by region and topic
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