Air China (Star Alliance) $552 and China Southern (SkyTeam) $528 have Los Angeles LAX to New Delhi DEL tickets on sale for travel in April and May 2018 with one stop flights via China.
Expedia ticket Air China $551.90
Wed April 11 – Sun April 22
Los Angeles LAX – Beijing PEK – New Delhi DEL – PEK – LAX
Priceline ticket China Southern $527.21 round trip
Sun May 6 – Wed May 16
Los Angeles LAX – Guangzhou CAN – New Delhi DEL – CAN – LAX