BOS-New Orleans from $161 R/T

This is unusually cheap for this route, do it! more info here.

BOS-L.A. for $134 R/T!

Scarce dates available.  More info here.  I found this fare available for several December dates, on Spiritairlines.com.  I searched December 4-7 and got $67 each way, with other dates available on the results page.

BOS - Chicago Midway from $121 R/T

Spirit Airlines, Dec-Feb.  Click here for more info.

Boston - Ft. Myers Florida from $98 R/T

Boston - Ft Myers Florida (2 hours south of Tampa) for only $98 roundtrip on Spirit Airlines.  Flights in November December.  Click here for more info and to check your dates.

Boston - St. Thomas from $167!

Spirit Airlines, December dates, check it out on http://kayak.com

BOS - Cancun for $219 R/T!

Fly from Boston to Cancun from $219 Total with Tax this December! I found this fare for 12/3-12/12 but check other dates too!  The average price for this city pair is $325-$350 in my experience.  Start your search at Kayak.com and check your dates.