BOS - SFO
$277 - $403
59 - 77 °F
0 - 4.7 inches
|Popular in||December||High demand for flights, 20% potential price rise|
|Cheapest in||September||Best time to find cheap flights, 14% potential price drop|
|Round-trip from||NT$ 277||From Boston to San Francisco|
|One-way from||NT$ 118||One-way flight from Boston to San Francisco|
Saturday flights are found to be more expensive to fly from Boston to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.
To save on the cost of your flight from Boston to San Francisco, book at least 44 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $117 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $137.
The best pricing can be found in the month of February. Prices to San Francisco from Boston average $121. You can even find prices in February for less than $121, as users have found deals to San Francisco from as low as $61. The month of April appears to be one of the more expensive times to travel to San Francisco from Boston. Flying in the targeted month can save you up to 8%.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% on flights from Boston to San Francisco by exploring options for tickets at noon.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Yes, there are multiple flights from Boston to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $132, but on average you can expect to pay $145.
Cheapflights has at least 20 direct flights from Boston to San Francisco under $300. A good price for a nonstop flight from Boston to San Francisco is less than $274.
There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than $200.
Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Saturday.
Flights from Boston Logan Intl to San Francisco have been viewed 318 times in the past calendar month.
On average, you can expect to see 3 flights from Boston Logan Intl to San Francisco a day.
Afternoon (Noon - 6pm) - 100% of flight departures
Expected rainfall in Boston is less than in San Francisco. You can expect this to be the case over the next 12 days.
Temperatures around the 84 °F's can be experienced in July. The weather in San Francisco is colder than in Boston. Plan for potential changes in flight availability as peak weather approaches in this location.
For one-way options, check prices for Major Airline. According to our data, you can fly for as low as $118. Users have also found tickets on Delta for as little as $124.
|Morning 6 AM to noon||52% of BOS to SFO departures|
|Afternoon Noon to 6 PM||47% of BOS to SFO departures|
|Early morning Midnight to 6 AM||1% of BOS to SFO departures|
|Evening 6 PM to midnight||0% of BOS to SFO departures|