By fall, the summer sun seekers who mob the area in peak season have dispersed, bringing the average room rate down to $123 (a 30% drop), according to Hotels.com.
And while the water's probably too chilly for a dip, from the fall foliage to the scenic bike paths to the annual Wellfleet oyster festival, there's still plenty to explore.
Visit by October and you'll also catch the whales before they head south to warmer waters.
They soar above ordinary trips and perform feats of vacation derring-do, all while nailing their budget. Here are their travel tips.