Are there nonstop flights from Seattle (SEA) to Montrose (MTJ)?

No. The fastest connection is via Denver, about 3h 18m of total flying time.

What is the fastest connection from Seattle (SEA) to Montrose (MTJ)?

via Denver ≈ 3h 18m, via San Francisco ≈ 3h 47m, via Los Angeles ≈ 4h 4m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Montrose Regional Airport (MTJ)・1,533 km

No nonstop flights. The fastest connection is via Denver (DEN), about 3h 18m of flying time (layover not included).

With milesANA 15,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

4 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.