Flights Boston-San Francisco

Find cheap Boston - San Francisco flights with our free flight search engine. Compare all available fares for direct flights to San Francisco. Search and find the best fares and deals for flights from Boston to San Francisco. Find cheap flights to San Francisco (BOS - SFO) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to San Francisco airport. You can also compare hotels in San Francisco and San Francisco car rentals.

Lowest round trip fares found for Boston to San Francisco flights

Flight

Airline name

Price

Type

Trip dates

Search date

Boston - San Francisco American Airlines $248 Round-trip 11 February 18 February
Boston - San Francisco JetBlue $277 Round-trip 09 March 21 March
Boston - San Francisco JetBlue $277 Round-trip 28 February 01 March

Recent flight searches Boston - San Francisco

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Boston - San Francisco Alaska Airlines $318 Round-trip 12 to 20 March Today 21:41
Boston - San Francisco JetBlue $298 Round-trip 20 to 23 March Today 20:54
Boston - San Francisco United Airlines $541 Round-trip 26 to 29 January Today 20:11
Boston - San Francisco Sun Country Airlines $305 Round-trip 30 January to 06 February Today 17:21
Boston - San Francisco Alaska Airlines $315 Round-trip 02 to 09 March Today 17:20
Compare flights from Boston to San Francisco on regular or low cost flights and find the best BOS - SFO flight prices on Jetcost.
Weather forecast for San Francisco
  • Monday 23
    Min 44 °F
    Max 50 °F
  • Tuesday 24
    Min 44 °F
    Max 50 °F
  • Wednesday 25
    Min 46 °F
    Max 53 °F
  • Thursday 26
    Min 46 °F
    Max 53 °F
  • Friday 27
    Min 46 °F
    Max 53 °F
Climate in San Francisco
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    48 °F
    76.00
    14
  • February
    51 °F
    93.00
    13
  • March
    55 °F
    48.00
    10
  • April
    57 °F
    32.00
    8
  • May
    66 °F
    24.00
    4
  • June
    69 °F
    2.00
    2
  • July
    73 °F
    2.00
    2
  • August
    73 °F
    14.00
    2
  • September
    69 °F
    1.00
    1
  • October
    64 °F
    24.00
    5
  • November
    55 °F
    42.00
    8
  • December
    48 °F
    105.00
    14