That's the best price we could find for select routes on comparable 5-star carriers by $904 and amongst the lowest prices we've seen for round-trip flights from Qatar Airways. Buy Now at DealBase Tips On the DealBase landing page, click on "Qatar Airlines" in the top line to see this sale. We found this price on flights departing on November 10 from Chicago, IL (ORD) to Athens, Greece (ATH), with return on November 19. Book this travel deal by October 31 for travel through August 31, 2020. All prices, dates, and booking details were valid at the time of publication.