General Travel Sites

Travelocity.com  Book flights, hotel rooms, car rentals, cruises, and entire vacation packages using a secure online reservation system. You can even sign up to receive email notification every time the airfares change to your favorite destination spot.

Expedia.com  Book every aspect of your trip, as well as track flights and fares, access airport information, and well as destination and sightseeing recommendations.

Orbitz.com  Sponsored by the world's Leading Airlines, get access to the most low airfares on the Internet, plus values on rental cars, hotel rooms, and more.

Hotels

Bed & Breakfast Inns

Search for available hotel rooms by dates, rates, and locations, and book them using secure servers.

Hoteldiscounters.com
Golden State Reservations
CA Lodging Reservations 
Frommer's Places to Stay

Search for B&Bs by city 
or area, book rooms online, and view photographs of rooms and inns.
BedandBreakfast.com

Frommer's Bed & Breakfast

Locate youth hostels around California, become a member of HI, and make reservations.

HI - Hostelling International  
Northern California Hostels
California Hostels 

Or visit Citysearch to explore accommodation information by city and get recommendations and reviews.

Airlines

Listing of Major Airlines  View a list of North America's major airlines and link to their websites. 

Lowestfare.com  Buy discounted tickets and search for the lowest available fares, as well as book reservations for hotels, car rentals, and more.

Cheaptickets.com  Search non-published discount airfares on more than 40 airlines, along with discount rates on hotels, car rentals, and cruises.

Car Rental

Hotwire  Access discounts of up to 40% or more (even at the last minute) by allowing car rental companies to maintain their anonymity during the purchase process. Also offers discounts on hotels and flights.

BreezeNet's Guide to Airport Rental Cars  Compare cars and prices from over 100 rental companies and read tips on rentals and rates.

Transit

Amtrak California  Search Amtrak's schedules and fares and make reservations.