Bid 4 Vacations - Online auction site offering vacations from Alaska to the Caribbean.
ClickRewards - Buy products from various companies and earn frequent flyer miles.
Expedia - Offers Flight Price Matcher where you name the price and Expedia will try to match it. (****)
Last Minute Travel - Specials and deals offered at the last minute. Air and hotel packages and more.
PlacesToStay - Hot deals from PlacesToStay.com
SkyAuction - Travel auctions.
TheTrip.com Reward Program - Anytime you purchase air tickets from the TRIP.com you'll earn free miles for every dollar you spend.
Travel Agent Specials - Thousands of travel agen specials - some last minute.
Travelocity.com- Check out these specials for deep pocket discounts and hot deals for last minute vacation and cruise packages, lodging from Travelocity.com.
travelscape.com - Hot Deals on hotels and hotel/air packages. (***)