Are there nonstop flights from Washington (IAD) to Dallas (DAL)?

No. The fastest connection is via Nashville, about 3h 12m of total flying time.

What is the fastest connection from Washington (IAD) to Dallas (DAL)?

via Nashville ≈ 3h 12m, via Louisville ≈ 3h 13m, via Knoxville/Maryville ≈ 3h 14m (estimated flying time, excluding layovers).

Washington Dulles International Airport (IAD) to Dallas Love Field (DAL)・1,869 km

No nonstop flights. The fastest connection is via Nashville (BNA), about 3h 12m of flying time (layover not included).

None.

37 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.