Hainan Airlines via DealBase offers roundtrip airfare to Asia, with prices starting from $318.13. That's the lowest price we could find for select routes for a 3-star carrier by $27. (Hainan Airlines is a 5-star carrier.) Book this travel deal by November 30 for travel through November 30. Shop Now Tips On the DealBase landing page, click "Hainan Air" in the top line to see this sale; we found lower fares within. On Hainan's sale page, you may have to click "Search Flights" under "Plan & Book" in the top banner to search for flights. We found this price on flights departing on September 9 from Los Angeles, CA (LAX) to Beijing, China (PEK), with return on September 13. All prices, dates, and booking details were valid at the time of publication.