When buying airline tickets, it is always worth shopping around. Buying direct from the airline is usually more expensive, unless the airline has a special promotion. As a rule, it is better to book as early as possible, as prices only get higher as the seats fill up

Thailand
Air France, Thai Airways and Air Asia offer daily connections from Bangkok to Hanoi and Ho Chi Minh city

Australia
Flight Centre  ( www.flightcentre.com.au)
STA travel     ( www.statravel.com.au)

Canada
Travel Cuts ( www.travelcuts.com).

Continental Europe

France
Nouvelles Frontieres ( www.nouvelles-frontieres.fr).
OTU Voyages (www.otu.fr)

Netherlands
Air Fair ( www.airfair.nl )

Spain
Barcelo Viajes ( www.barceloviajes.com; )

Italy
CTS Viaggi ( www.cts.it )

New Zealand
Flight Centre ( www.flightcentre.co.nz)
STA Travel ( www.statravet.co.nz)

UK & Ireland
Flightbookers (www.ebookers.com)
STA Travel ( www.statravel.co.uk)
Travel Bag ( www.travelbag.co.uk)

USA
www.cheaptickets.com
www.itn.net
www.lowestfare.com
www.sta.com