Find flights
When to book
FAQs

Cheap flights from San Francisco to Boston

SFO — BOS
9 May — 16 May1
1 adult
Thu 9/5
Thu 16/5

Cheap flight deals from San Francisco to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 May 2024.

Popular in

June

Cheapest in

January

Average price

$714

Round-trip from

$2,044
High demand for flights, 23% potential price rise
Best time to find cheap flights, 35% potential price drop
Average for round-trip flights in May 2024
From San Francisco to Boston Logan Intl

How far in advance should I book a flight from San Francisco to Boston?

Find a great deal and save up to 56% by booking at least 32 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Francisco to Boston within the next two weeks, with the cheapest ticket starting at $657.

What is the cheapest month to fly from San Francisco to Boston?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Boston. Flights to Boston from San Francisco in January are about $666 on average during January, but can be found for as low as $165.

When is the cheapest time to fly from San Francisco to Boston (SFO - BOS)?

When flying from San Francisco to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

When is the best time to book a flight from San Francisco to Boston?

Use this chart to determine the optimal time to book a return flight from San Francisco to Boston. Price data was last updated on 28 January 2024.
The best time to book flights from San Francisco to Boston is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

Average price of flights to Boston by month

Plan your trip from San Francisco to Boston by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Boston is currently $0 while a return flight costs $0. Price data was last updated on 28 April 2024.

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

BOS

Temperature

-1 - 23 °C

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What days are direct flights available from San Francisco to Boston?

    You can find direct flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Saturday.

  • How popular is this San Francisco to Boston flight route?

  • How many flights depart from San Francisco to Boston on average per day?

    24 flight departures from San Francisco to Boston per day on average.
    Morning (6am - Noon) - 50% of flight departures
    Afternoon (Noon - 6pm) - 25% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • What are the most reliable airlines from San Francisco to Boston?

    No one likes to see their flight delayed. When booking a flight from San Francisco to Boston consider choosing TAP AIR PORTUGAL(89%), Icelandair(88%) or EL AL(88%), as they are the most reliable in getting you off to your destination on time.

  • What does SFO to BOS mean?

    SFO stands for San Francisco Airport, while BOS stands for Boston Logan Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from San Francisco to Boston that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Boston flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Boston with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Boston flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Boston that include hotel bookings?

    Yes. In addition to deals on San Francisco to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Boston.

  • Can I find deals for business class flights from San Francisco to Boston?

    Yes. Cheapflights offers flight deals from San Francisco to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Boston that allow pets onboard?

    Many airlines flying from San Francisco to Boston offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Boston?

    Yes, you can often find last-minute deals on San Francisco to Boston flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights from San Francisco to Boston by cabin class

Find flights from San Francisco to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from San Francisco to Boston

Find hourly flight availability from San Francisco to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 May 2024.
8%of flight departuresEarly morningMidnight to 6 am
49%of flight departuresMorning6 am to noon
15%of flight departuresAfternoonNoon to 6 pm
28%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from San Francisco to Boston

Explore weekly flight availability from San Francisco to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 May 2024.
Monday46daily flights
Tuesday46daily flights
Wednesday48daily flights
Thursday45daily flights
Friday49daily flights
Saturday35daily flights
Sunday49daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Boston?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Boston?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to Boston with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Boston, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Boston become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.