Business Wire -- Due to overwhelming demand, Qantas has extended its travel stimulus offer for North American travelers flying to Australia and New Zealand until March 31, 2009. Starting at just $299 each way in economy (based on round trip purchase, plus tax and fees), travelers can fly from Los Angeles and San Francisco to Auckland, Brisbane, Melbourne or Sydney from now until October 24, 2009. From New York, economy fares are $399 each way to Brisbane, Melbourne and Sydney.