Are there nonstop flights from Baltimore (BWI) to Hanoi (HAN)?

No. The fastest connection is via London, about 18h 44m of total flying time.

What is the fastest connection from Baltimore (BWI) to Hanoi (HAN)?

via London ≈ 18h 44m (estimated flying time, excluding layovers).

Baltimore/Washington International Thurgood Marshall Airport (BWI) to Noi Bai International Airport (HAN)・13,294 km

No nonstop flights. The fastest connection is via London (LHR), about 18h 44m 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.