http://www.jetblue.com/deals/great-minds-fly-alike/
New sale posted, with fares from LGA to BOS at 38.10 nonstop each way.$39Travel Oct. 31 - Dec. 15, 2016.Travel on Mon., Tues., Wed., Thurs., and Sat.Blackout dates of Nov. 10 - Nov. 14, 2016, and Nov. 18 - Nov. 29, 2016 apply.
New sale posted, with fares from LGA to BOS at 38.10 nonstop each way.
Make the sale even better, using the Visa Infinite $100 discount for 2 passengers, trip for 2 can be had for $52.40 roundtrip, or $13.10 each way per person.
Why fly LGA-BOS? Unless you have a connecting flight from BOS.