Are there nonstop flights from Washington (DCA) to San Luis Obispo (SBP)?

No. The fastest connection is via Denver, about 5h 33m of total flying time.

What is the fastest connection from Washington (DCA) to San Luis Obispo (SBP)?

via Denver ≈ 5h 33m, via Los Angeles ≈ 5h 40m, via Phoenix ≈ 5h 42m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Ronald Reagan Washington National Airport (DCA) to San Luis County Regional Airport (SBP)・3,854 km

No nonstop flights. The fastest connection is via Denver (DEN), about 5h 33m of flying time (layover not included).

With milesANA 15,000 miles+ (via DEN)JAL 23,000 miles+ (via PHX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.