Note that fares on airline websites are sometimes just as cheap as going through an agent.
Fares change daily, but you usually get a better deal the further you book in advance - check the airline websites for details.
The airline websites have details of routes, fares and booking offices.
See the airline websites for specific details on flight schedules, ticketing and other information.
Though the airline website remains active the airline has not operated a flight since January 2012.
Note that not all Chinese airline websites have English-language capability.
The best thing to do is to sign up to distribution lists on airline websites, so that you get early notice.
For bookings on discount carriers go to the airline websites directly or try an online agency such as www.openjet.com.
The airline website appeared briefly and claimed it would hold online bookings as from March 2007, but is no longer functional.
Most airline websites list special offers, and there are good online ticket agencies that will compare prices for you (such as www.travelocity.co.uk and www.deckchair.com).