Priceline.com - The only buying service in the world where customers name their own price for airline tickets, hotels, new autos, and home financing.

TravelBids - Customers take bids from travel agents for air travel, resorts, or cruises; for any date, any class of service and any room category. The agent bidding the highest discount wins the auction.

Bid4Trips - Auctions for vacations, travel discounts, independent trips, tours, lodging, and vacation packages for outdoor and adventure enthusiasts.

Extra Travel Auctions - UK Auctions in whihc you can bid in a live auction.

SkyAuction.com - No reserve travel auctions with all bids starting at just $1.

BidTripper - Online auction for travel packages.

Revelex - Book or bid on travel reservations, including hotel rooms, car rentals, and airline tickets.

E-Tickets Auction - Gateway to submit requests for tickets and have agencies return their best offer. Does not sell tickets directly.

Bid4Vacations.com - An online vacation auction site featuring vacation packages, discount lodging, and hotel accommodations.

Luxury Link - Travel and auction site dedicated to assisting customers in saving on travel to properties and destinations around the globe.

FlightBids.com - UK reverse auction website, where you can bid for return flights from the UK, based on the price you are prepared to pay.

Your Sky Now - Buy and sell frequent flyer rewards, flight vouchers, airline coupons, and travel packages.

YouPriceIt - Bid on airline tickets for domestic and international travel. Get what you want at the price you want to pay.

Bid4Cruise - An auction site that allows users to bid on cruise vacations .

TravelClearingHouse - Online travel auctions and clearance deals available to the general public.

Tourists-direct.com - Get hotel rooms and packages at auctions)and bazaars.

Late Escapes - UK holiday auction site. Specialists in holidays, flights and cruises to Florida, Canary Islands, Balearic Islands, Spain, Greece and Turkey.

NuAuction - Vacation and cruise auctions.

Travel and Accommodations - Bid on wide selection of vacations.

Generous Adventures Travel Auctions - Travel auctions of ecotours and adventures to benefit Natural Resources Defense Council.

Brazil-Mania.com - Brazilian travel auction. Featuring deals on air travel and hotel accommodations.

Travel Lobby - Network of travel specialists to service personal travel interests with bids and auctions for services.

Sunvillas Direct - A UK online internet auction house site offering holiday travel and last minute vacation rentals.

The Daily Auction - Live, real-time travel auction offering deals on airline tickets, hotel stays and vacation packages.

FlightAuction.com - Portal to the air travel deals.

Bidshares Auctions - An auction site for travel accommodations and properties from around the world including vacation travel packages, timeshares, residential and commercial real estate, and land.

Cruise Auction - Multiple auction types on cruises from all the major cruise lines.

My Priceline.com - Message board where others share winning airfare, hotel, or car rental bids from priceline.com. Also share information on frequent flier bonuses and travel coupons.

SurplusPoints.com - Allows unused timeshares to be auctioned off. Fairfield based, but accepts all timeshares.

BidorBuy - Bid online for last minute holidays and flights. United Kingdom based.