Are there nonstop flights from Melbourne (MEL) to Seattle (SEA)?

No. The fastest connection is via San Francisco, about 17h 10m of total flying time.

What is the fastest connection from Melbourne (MEL) to Seattle (SEA)?

via San Francisco ≈ 17h 10m, via Los Angeles ≈ 17h 49m, via Tokyo ≈ 19h 37m (estimated flying time, excluding layovers).

from 37,500 ANA miles, from 50,000 JAL miles (economy, one way, based on the published award charts).

Melbourne Airport (MEL) to Seattle–Tacoma International Airport (SEA)・13,174 km

No nonstop flights. The fastest connection is via San Francisco (SFO), about 17h 10m of flying time (layover not included).

With milesANA 37,500 miles+ (via SFO)JAL 50,000 miles+ (via LAX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.