Are there nonstop flights from Dublin (DUB) to Washington (DCA)?

No. The fastest connection is via Boston, about 7h 24m of total flying time.

What is the fastest connection from Dublin (DUB) to Washington (DCA)?

via Boston ≈ 7h 24m, via New York ≈ 7h 24m, via Hartford ≈ 7h 25m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Dublin Airport (DUB) to Ronald Reagan Washington National Airport (DCA)・5,444 km

No nonstop flights. The fastest connection is via Boston (BOS), about 7h 24m of flying time (layover not included).

With milesANA 27,500 miles+ (via ORD)JAL 37,000 miles+ (via CLT)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

23 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.