This fare can be found from mid-October through Southwest's end of booking calendar in April. Flights are available daily with a couple of flight options per day, so you shouldn't have much trouble piecing together the best itinerary for you.
As an example below, I was able to find seats departing BOS on Friday, December 7 and returning from BNA on Monday, December 10, 2018.
If Nashville isn't music to your ears, have a look at other destinations on sale today on the Boston (BOS) flight deal page here.
Need a room in Nashville? Here's what's available for the above dates on Hotelwatchdog.
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