Fare of the Day: San Diego to Boston $219 RT including all taxes

Fly from San Diego to Boston for $219 round-trip, including all taxes, on United.

We found seats departing SAN on September 21, returning from BOS on September 28. Similar fares available for travel on other dates in mid to late September, ranging from from $219 to $230. Travel on Tuesdays, Wednesdays, and Saturdays.