Singapore Airlines Expands Codeshare Agreement With Asiana Airlines 02 June 2014 - Singapore Airlines customers can now enjoy seamless travel to more destinations in the United States, as a result of an expansion of a codeshare agreement with Asiana Airlines. With the expansion of the agreement, Singapore Airlines now codeshares on Asiana-operated flights beyond Seoul’s Incheon International Airport to Honolulu, Seattle and Los Angeles. The Star Alliance partners have been codesharing since September 2005 on flights between Singapore and Seoul-Incheon. Singapore Airlines currently operates four daily flights on the route, one of which continues to San Francisco, while Asiana operates daily flights. Asiana also codeshares on Singapore Airlines-operated flights beyond Singapore to Jakarta in Indonesia, Perth in Australia, Auckland in New Zealand and Cape Town in South Africa.