Are there nonstop flights from Santo Domingo (SDQ) to Washington (DCA)?

No. The fastest connection is via Philadelphia, about 4h 7m of total flying time.

What is the fastest connection from Santo Domingo (SDQ) to Washington (DCA)?

via Philadelphia ≈ 4h 7m, via Fort Lauderdale ≈ 4h 19m, via Newark ≈ 4h 20m (estimated flying time, excluding layovers).

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

Las Américas International Airport (SDQ) to Ronald Reagan Washington National Airport (DCA)・2,380 km

No nonstop flights. The fastest connection is via Philadelphia (PHL), about 4h 7m of flying time (layover not included).

With milesJAL 15,000 miles+ (via MIA)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.