Washington → Shonai
Washington (IAD, DCA, BWI) to Shonai (SYO), all airport combinations.
No nonstop flights. Fastest via Tokyo (HND), about 14h 15m in the air (IAD→SYO).Award: 20,000 ANA miles+ (IAD→SYO, 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.