Washington → Lanzhou
Washington (IAD, DCA, BWI) to Lanzhou (LHW), all airport combinations.
No nonstop flights. Fastest via Beijing (PEK), about 15h 29m in the air (IAD→LHW).Award: 30,000 ANA miles+ (IAD→LHW, economy one way, est.)
Nonstop flights by airport pair
None.
Route pages by airport
Times and miles are estimates. Check schedules and availability with the airline.