USAirways: SFO-Washington DC $251 rt (vice versa)

Sample dates: October

Fare Availability: until March 2015. Must purchase at least 14 days prior to departure. Works both direction.

How to find fare: you can use USAirway,, or almost any other OTA websites (,, etc)


50% bonus AA miles thru US Airways

As a celebration of the American Airlines and US Airways, flyers will be able to earn 50% bonus miles if flying on USAirways and crediting the miles earned to American Airlines beginning Jan. 23 thru March 2, 2014. Use promo code AAUSM to register before booking.