There are currently some two digit fares from some Texas cities to/from BOS with connections in more expensive destinations like BWI, PHX, and MDW. When figuring savings, be aware of the nickel-and-diming policy change that means you now have to pay the extra connection taxes/fees even when you don't connect.

New question: suppose you book a $94 SAT-BOS flight to save money versus a $143 SAT-PHX flight. Do you earn the BOS bonus credit when you disembark at PHX?