Roundtrip Boston to San Francisco Nonstop Airfares on Delta United or JetBlue

No special codes or coupons are required. Get these roundtrip airfares while travel dates are available.

Important Travel Details These round trip airfares between Boston (BOS) and San Francisco (SFO) are available on JetBlue, United, and Delta Air Lines. These are basic economy fares, which come with restrictions.

• On JetBlue and Delta, a personal item and a carry-on bag are permitted.
• On United, only a personal item is permitted with basic economy.
• Seat selection is not available, and fare changes are not permitted.
• If traveling with children, United and JetBlue will ensure families are seated together; Delta handles this on a case-by-case basis.

Travel Availability

• Departing Boston (BOS): September 9-13, 16-27, 29-30; October 1-4, 6-8, 11, 14-18, 21-25, 27-31; November 1-19, 24; December 2-16
• Departing San Francisco (SFO): September 9-17, 19-24, 26-30; October 1, 3-8, 11-15, 18-31; November 1-19, 24; December 2-16