All the airports that Singapore Airlines flights have come from See the airports that Singapore Airlines flight have traveled to / or see all the flights this airline has flown (in and out of SFO)

John F Kennedy International Airport. This airport in the United States is also referred to as JFK or sometimes KJFK
Hong Kong International Airport. This airport in Hong Kong S.A.R. is also referred to as HKG or sometimes VHHH
Incheon International Airport. This airport in South Korea is also referred to as ICN or sometimes RKSI
Los Angeles International Airport. This airport in the United States is also referred to as LAX or sometimes KLAX
San Diego International Airport. This airport in the United States is also referred to as SAN or sometimes KSAN
McCarran International Airport. This airport in the United States is also referred to as LAS or sometimes KLAS
Singapore Changi Airport. This airport in Singapore is also referred to as SIN or sometimes WSSS
Tacoma International Airport. This airport in the United States is also referred to as SEA or sometimes KSEA
Gen E L Logan International Airport. This airport in the United States is also referred to as BOS or sometimes KBOS
Austin-Bergstrom International Airport. This airport in the United States is also referred to as AUS or sometimes KAUS
Newark International Airport. This airport in the United States is also referred to as EWR or sometimes KEWR
Portland International Airport. This airport in the United States is also referred to as PDX or sometimes KPDX

All these flight data are available as openly licensed data on the sfomuseum-data GitHub account. If you'd like to read more about our efforts to archive flight data at SFO Museum have a look a the Mills Field weblog posts tagged "flightdata".