Are there nonstop flights from Seattle (SEA) to Bengaluru (BLR)?

No. The fastest connection is via Tokyo, about 17h 53m of total flying time.

What is the fastest connection from Seattle (SEA) to Bengaluru (BLR)?

via Tokyo ≈ 17h 53m, via Hong Kong ≈ 17h 56m, via Dubai ≈ 18h 12m (estimated flying time, excluding layovers).

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

Seattle–Tacoma International Airport (SEA) to Kempegowda International Airport Bengaluru (BLR)・12,984 km

No nonstop flights. The fastest connection is via Tokyo (NRT), about 17h 53m of flying time (layover not included).

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

None.

10 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.