Are there nonstop flights from New Delhi (DEL) to Seattle (SEA)?

No. The fastest connection is via Vancouver, about 14h 20m of total flying time.

What is the fastest connection from New Delhi (DEL) to Seattle (SEA)?

via Vancouver ≈ 14h 20m, via Beijing ≈ 15h 42m, via Helsinki ≈ 16h 11m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Indira Gandhi International Airport (DEL) to Seattle–Tacoma International Airport (SEA)・11,343 km

No nonstop flights. The fastest connection is via Vancouver (YVR), about 14h 20m of flying time (layover not included).

With milesANA 27,500 miles+ (via HND)JAL 47,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

24 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.