Travel Sites

List partially taken from Clark Howard's website (http://clarkhoward.com/travel/travel_help.html):

# Kayak (note: does not check Southwest)
# STA
# SideStep
# Expedia
# Hotwire
# Cfares
# One Travel
# Orbitz
# Travelocity
# Cheap Tickets
# All Cheap Fares
# Priceline
# BiddingforTravel, tips for bidding at Priceline
# JohnnyJet, airline toll-free numbers, Web links and bookings
# Mobissimo, search international rates
# Itasoftware
# http://us.lastminute.com/
# Fares Watchdog
# Farecast
# Travelzoo

# Airtran
# America West Airlines
# American Airlines
# American Trans Air
# Delta Air
# Continental Airlines
# Northwest Airlines
# Southwest Airlines
# United Airlines
# US Airways
# JetBlue Airways
# Frontier Airlines

Review Sites
# http://www.tripadvisor.com/
# http://www.farechaser.com/