JetBlue 1-Day Sale: Boston to Baltimore Flights from $19

General terms: Taxes, Fees and Restrictions: All fares are subject to change without notice. Travel costs $15 more per person if purchased by telephone or at an airport or city ticket office. Fares may not be available on all days or on all flights. Advertised fares are most often found on midweek travel dates. All fares must be purchased at time of reservation, and are one-way, nonrefundable, and nontransferable.