Are there nonstop flights from San Francisco (SFO) to Chennai (MAA)?

No. The fastest connection is via New Delhi, about 17h 38m of total flying time.

What is the fastest connection from San Francisco (SFO) to Chennai (MAA)?

via New Delhi ≈ 17h 38m, via Hong Kong ≈ 18h 28m, via Dubai ≈ 19h 46m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

San Francisco International Airport (SFO) to Chennai International Airport (MAA)・13,915 km

No nonstop flights. The fastest connection is via New Delhi (DEL), about 17h 38m of flying time (layover not included).

With milesANA 40,000 miles+ (via DEL)JAL 47,000 miles+ (via HKG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.