$262-$299 — Boston to/from San Francisco (R/T)

Fly between Boston and San Francisco for $262-$299 this winter. Book a seat on United Airlines and save up to $80.

Fly.com Fare Calendar:

Note: United Airlines charges $25 for the first checked bag. Check our baggage fee chart for more information.

Savings:

  • Save up to $80 compared with current rates.

Travel Dates:

  • Select dates December-February

Sample Screenshots:

SF to Boston: Fly.com Results Page

SF to Boston: Fly.com Results Page

SF to Boston: United Booking Page

SF to Boston: United Booking Page

Boston to SF: Fly.com Results Page

Boston to SF: Fly.com Results Page

Boston to SF: United Booking Page

Boston to SF: United Booking Page

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