Cathay Pacific via DealBase offers round-trip flights to Asia and Australia, with prices starting from $506.99. That's the best price we could find for select routes on comparable 5-star carriers by $140. Book this travel deal by August 31 for travel through December 31. Buy Now Tips On the DealBase landing page, click on "Cathay Pacific" in the top line to see this sale. We found this price on flights departing on August 21 from Los Angeles, CA (LAX) to Hong Kong (HKG), with return on August 29. All prices, dates, and booking details were valid at the time of publication.