Fly from Washington DC to Tokyo for $705 round-trip on Air Canada.
Searching Air Canada, we found seats departing IAD on Tuesday, May 10, returning from NRT on Tuesday, May 17. Flights connect via Toronto YYZ.
Other dates are also available for departures through May, and again from mid August through October.
See our fare details for booking info.
Need a room in Tokyo? Here's a look at what's available for the above dates on Hotelwatchdog.