Qatar Airways offers roundtrip international flights from select cities in the U.S. for as low as $910.69, as seen on Travelzoo. That's the lowest current price we could find for select routes by $99. This price is valid on flights departing from Philadelphia, PA, (PHL) with arrival in Chennai, India, (MAA) on September 8 with return on September 24; prices vary depending on the departure cities and dates chosen. Book this travel deal by July 31 for travel through December 31. Click here to see more routes.