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 Boston to San Francisco flights. Find your cheap flight to San Francisco (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.

Recent flight searches Boston - San Francisco

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Boston - San Francisco United Airlines $226 One-way 04 October 75 days ago
Boston - San Francisco Delta Airlines $230 One-way 31 July 89 days ago
Boston - San Francisco United Airlines $489 One-way 02 August 233 days ago
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
  • Sunday 23
    Min 5 °C
    Max 14 °C
  • Monday 24
    Min 12 °C
    Max 14 °C
  • Tuesday 25
    Min 5 °C
    Max 13 °C
  • Wednesday 26
    Min 11 °C
    Max 15 °C
  • Thursday 27
    Min 10 °C
    Max 17 °C
Climate in San Francisco
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    9 °C
    76.00
    14
  • February
    11 °C
    93.00
    13
  • March
    13 °C
    48.00
    10
  • April
    14 °C
    32.00
    8
  • May
    19 °C
    24.00
    4
  • June
    21 °C
    2.00
    2
  • July
    23 °C
    2.00
    2
  • August
    23 °C
    14.00
    2
  • September
    21 °C
    1.00
    1
  • October
    18 °C
    24.00
    5
  • November
    13 °C
    42.00
    8
  • December
    9 °C
    105.00
    14