That's the best price we could find for select routes on this 5-star carrier by $7, although most comparable carriers charge at least $646. Buy Now at DealBase Tips On the DealBase landing page, click on "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 book. We found this price on flights departing on February 18 from Chicago, IL (ORD) to Beijing, China (PEK), with return on February 25. All prices, dates, and booking details were valid at the time of publication. Book this travel deal by March 31 for travel through June 30.