Are there nonstop flights from Washington (DCA) to Karachi (KHI)?

No. The fastest connection is via Toronto, about 15h 25m of total flying time.

What is the fastest connection from Washington (DCA) to Karachi (KHI)?

via Toronto ≈ 15h 25m (estimated flying time, excluding layovers).

Ronald Reagan Washington National Airport (DCA) to Jinnah International Airport (KHI)・12,007 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 15h 25m of flying time (layover not included).

None.

1 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.