I was looking at international flights on domestic and foreign flag carriers to/from CA and discovered a pretty good offering from secondary/satellite airports:
These are existing flights or flights that are announced to begin service in 2016 from airports that have 1 Million+ annual passengers.
Current as of 22 Dec 2015
Los Angeles(LAX):
Aer Lingus: Dublin
Aeroflot: Moscow-Sheremetyevo
Aeromexico: Guadalajara, Mexico City, Cancun
Aeromexico Connect: Hermosillo, Culiacan
Air Berlin: Dusseldorf
Air Canada: Calgary, Montreal-Trudeau, Toronto-Pearson, Vancouver
Air China: Beijing-Capital
Air France: Papeete, Paris-Charles De Gaulle
Air New Zealand: Auckland, London-Heathrow, Rarotonga
Air Tahiti Nui: Auckland, Papeete, Paris-Charles De Gaulle
Alaska Airlines: Guadalajara, Ixtapa/ Zihuatanejo, Liberia(Costa Rica),
Loreto(Mexico), Manzanillo, Mazatlan, Puerto Vallarta, San Jose del Cabo,
Vancouver
Alitalia: Rome-Fiumicino
All Nippon Airways: Tokyo-Haneda, Tokyo-Narita
American Airlines: Auckland, Belize City, Guadalajara, London-Heathrow,
Mexico City, San Jose del Cabo, Sao Paulo-Guarulhos, Shanghai-Pudong, Sydney,
Tokyo-Haneda, Tokyo-Narita, Toronto-Pearson, Havana
American Eagle: Mazatlan
Asiana Airlines: Seoul-Incheon
Avianca: Bogota
Avianca Costa Rica: Guatemala City, San Jose(Costa Rica)
Avianca El Salvador: San Salvador
British Airways: London-Heathrow
Cathay Pacific: Hong Kong
China Airlines: Taipei-Taoyuan
China Eastern Airlines: Nanjing, Shanghai-Pudong
China Southern Airlines: Guangzhou
Copa Airlines: Panama City
Delta Airlines: Belize City, Cancun, Guadalajara, Guatemala City, Ixtapa/ Zihuatanejo,
Leon/ Del Bajio, Mazatlan, Puerto Vallarta, San Jose(Costa Rica), San Salvador,
Shanghai-Pudong, Tokyo-Haneda, Tokyo-Narita, Liberia(Costa Rica), Managua
Delta Connection: Monterrey
EL AL: Tel Aviv-Ben Gurion
Emirates: Dubai-International
Ethiopian Airlines: Addis Ababa, Dublin
Etihad Airways: Abu Dhabi
Eva Air: Taipei-Taoyuan
Fiji Airways: Nadi
Hainan Airlines: Changsha
Iberia: Madrid
Japan Airlines: Osaka-Kansai, Tokyo-Narita
KLM: Amsterdam
Korean Air: Sao Paulo-Guarulhos, Seoul-Incheon
LAN Airlines: Lima, Santiage de Chile
Lan Peru: Lima
Lufthansa: Frankfurt, Munich
Norwegian Airlines: Copenhagen, London-Gatwick, Oslo-Gardermoen, Stockholm-Arlanda
Philippine Airlines: Cebu, Manila
Qantas: Brisbane, Melbourne, Sydney
Qatar Airways: Doha
Saudia: Jeddah, Riyadh
Scandinavian Airlines: Stockholm-Arlanda
Singapore Airlines: Singapore, Tokyo-Narita
Southwest Airlines: Liberia(Costa Rica)
Swiss International Air Lines: Zurich
Thomas Cook Airlines: Manchester(UK)
Turkish Airlines: Istanbul-Ataturk
United Airlines: London-Heathrow, Melbourne, Mexico City, Puerto Vallarta, San Jose del Cabo,
Shanghai-Pudong, Sydney, Tokyo-Narita
United Express: Durango(Mexico), Vancouver
Virgin America: Cancun
Virgin Atlantic: London-Heathrow
Virgina Australia: Brisbane, Sydney
Volaris: Aguascalientes, Guadalajara, Leon/ Del Bajio, Mexico City, Morelia, Uruapan, Zacatecas
WestJet: Calgary, Edmonton, Vancouver
XL Airways: Paris-Charles de Gaulle
San Francisco(SFO):
Aer Lingus: Dublin
Aeromexico: Guadalajara, Mexico City
Air Berlin: Dusseldorf
Air Canada: Montreal-Trudeau, Toronto-Pearson, Vancouver
Air Canada Express: Calgary
Air China: Beijing-Capital
Air France: Paris-Charles de Gaulle
Air India: Delhi
Air New Zealand: Auckland
Alaska Airlines: Puerto Vallarta, San Jose del Cabo
All Nippon Airways: Tokyo-Narita
Asiana Airlines: Seoul-Incheon
Avianca El Salvador: San Salvador
British Airways: London-Heathrow
Cathay Pacific: Hong Kong
China Airlines: Taipei-Taoyuan
China Eastern Airlines: Shanghai-Pudong
China Southern Airlines: Guangzhou, Wuhan
Copa Airlines: Panama City
Emirates: Dubai-International
Etihad Airways: Abu Dhabi
EVA Air: Taipei-Taoyuan
Fiji Airways: Nadi
Japan Airlines: Tokyo-Haneda
KLM: Amsterdam
Korean Air: Seoul-Incheon
Lufthansa: Frankfurt, Munich
Philippine Airlines: Manila
Qantas: Sydney
Scandinavian Airlines: Copenhagen
Singapore Airlines: Hong Kong, Seoul-Incheon, Singapore
Swiss International Air Lines: Zurich
Turkish Airlines: Istanbul-Ataturk
United Airlines: Auckland, Beijing-Capital, Calgary, Cancun, Chengdu(China), Frankfurt, Hong Kong,
London-Heathrow, Mexico City, Osaka-Kansai, Paris-Charles de Gaulle, Seoul-Incheon, Shanghai-Pudong,
Sydney, Taipei-Taoyuan, Tel Aviv-Ben Gurion, Tokyo-Haneda, Tokyo-Narita, Vancouver, Puerto Vallarta,
San Jose del Cabo, Xi'an(China)
United Express: Calgary, Edmonton, Vancover, Victoria
Virgin America: Cancun, Puerto Vallarta, San Jose del Cabo
Virgin Atlantic: London-Heathrow
WestJet: Calgary, Vancouver
XL Airways: Paris-Charles de Gaulle
San Diego(SAN):
Air Canada Rouge: Toronto-Pearson, Vancouver
Alaska Airlines: Puerto Vallarta, San Jose del Cabo
British Airways: London-Heathrow
Delta Air Lines: San Jose del Cabo
Japan Airlines: Tokyo-Narita
SeaPort Airlines: San Felipe(Mexico)
Volaris: Guadalajara, Mexico City
WestJet: Calgary
San Jose(SJC):
Air Canada Express: Vancouver
Alaska Airlines: Guadalajara, San Jose del Cabo
All Nippon Airways: Tokyo-Narita
British Airways: London-Heathrow
Hainan Airines: Beijing-Capital
Lufthansa: Frankfurt
Volaris: Guadalajara
Oakland(OAK):
Norwegian Airlines: London-Gatwick, Oslo-Gardemoen, Stockholm-Arlanda
SATA: Azores(Portugal)
Volaris: Guadalajara, Leon/El Bajio, Mexico City, Morelia, Tijuana
John Wayne-Orange County(SNA):
Alaska Airlines: Puerto Vallarta, San Jose del Cabo
Southwest Airlines: Mexico City, Puerto Vallarta, San Jose del Cabo
WestJet: Vancouver
Sacramento(SMF):
Aeromexico: Guadalajara, Mexico City
Volaris: Guadalajara
Ontario(ONT):
Aeromexico: Guadalajara, Mexico City
Volaris: Guadalajara
Fresno-Yosemite(FAT):
Aeromexico: Guadalajara
Volaris: Guadalajara
Bob Hope-Burbank(BUR): No International Flights
Long Beach(LGB): No International Flights