Sri Lanka Airlines (marketed as SriLankan) is the flag of Sri Lanka and a member of the Oneworld Airline Alliance. Check SriLankan Airlines fares with other airlines. View SriLankan Airlines flights, routes, maps and prices to find the cheapest flights. Sri Lanka's airline, the largest airline serving the Maldives, is very present in southern India multi destination flights, round-the-world flights. An airline established to represent airlines in the United States and which is the marketing and sales department of these airlines.