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Cheap flights from San Francisco to Boston from £93

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
22 Jan — 29 Jan1
1 adult

The best prices from San Francisco to Boston Logan Intl are usually found in February or March, booked 79 days in advance, depart on a Monday or Wednesday and return on a Monday

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 17 January 2025.

Round-trip from

£181

One-way from

£93

Popular in

June

Cheapest in

February

Average price

£268
JetBlue
  • JetBlue
  • 3/3-4/3
  • Nonstop
  • 12h 19m total
  • San Francisco to Boston
Delta
  • Delta
  • 5/3
  • Nonstop
  • 5h 40m total
  • San Francisco to Boston
High demand for flights, 13% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in January 2025

Find flight deals from San Francisco to Boston

Cheapest flights from San Francisco to Boston
Explore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Mon 3/323:20SFO - BOS
Nonstop5h 30mJetBlue
Tue 4/310:05BOS - SFO
Nonstop6h 49mJetBlue
Deal found 16/1£181
Sat 8/207:30SFO - BOS
Nonstop5h 40mDelta
Tue 11/217:50BOS - SFO
Nonstop7h 06mDelta
Deal found 16/1£183
Mon 17/207:15SFO - BOS
Nonstop5h 35mUnited Airlines
Mon 24/316:41BOS - SFO
1 stop9h 10mUnited Airlines
Deal found 16/1£191
Thu 27/211:35SFO - BOS
1 stop9h 24mAlaska Airlines
Tue 4/307:00BOS - SFO
1 stop9h 47mAlaska Airlines
Deal found 16/1£201
Tue 25/200:32SFO - BOS
1 stop7h 26mAmerican Airlines
Sat 8/316:05BOS - SFO
1 stop9h 22mAmerican Airlines
Deal found 16/1£285
Mon 24/207:15SFO - BOS
1 stop7h 25mSouthwest
Thu 27/222:30BOS - SFO
2 stops16h 20mSouthwest
Deal found 16/1£287
Fri 4/718:25SFO - BOS
1 stop13h 12mSun Country Air
Sat 12/711:34BOS - SFO
1 stop8h 52mSun Country Air
Deal found 17/1£307

Find flights from San Francisco to Boston within your budget

Customise your flight search to find flights from San Francisco to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 3/3

23:20-07:50

Nonstop5h 30m

Boston Logan Intl

Tue 4/3

10:05-13:54

Nonstop6h 49m

£181

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 8/2

07:30-16:10

Nonstop5h 40m

Boston Logan Intl

Tue 11/2

17:50-21:56

Nonstop7h 06m

£183

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 17/2

07:15-15:50

Nonstop5h 35m

Boston Logan Intl

Mon 24/3

16:41-22:51

1 stop9h 10m

£191

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 27/2

11:35-23:59

1 stop9h 24m

Boston Logan Intl

Tue 4/3

07:00-13:47

1 stop9h 47m

£201

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 25/2

00:32-10:58

1 stop7h 26m

Boston Logan Intl

Sat 8/3

16:05-22:27

1 stop9h 22m

£285

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 24/2

07:15-17:40

1 stop7h 25m

Boston Logan Intl

Thu 27/2

22:30-11:50

2 stops16h 20m

£287

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 4/7

18:25-10:37

1 stop13h 12m

Boston Logan Intl

Sat 12/7

11:34-17:26

1 stop8h 52m

£307

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 5/3

07:30-16:10

Nonstop5h 40m

£93

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 16/2

19:30-07:20

1 stop8h 50m

£97

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 26/2

11:35-23:59

1 stop9h 24m

£101

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Francisco to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to Boston

Get recent, data-driven insights about flights from San Francisco to Boston including ideal travel times, pricing trends, and more.

How far ahead should I 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 10 January 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Boston?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Boston (average of £10). Flying from San Francisco to Boston in July is currently the most expensive (average of £724). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to BOS?

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 17 January 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 39% on flights from San Francisco to Boston by exploring options for tickets in the evening.

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 17 January 2025.

The most flights from SFO to BOS are scheduled on a Thursday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 17 January 2025.
Read through reviews of airlines operating flights from San Francisco to Boston, such as JetBlue, Alaska Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

8.1
Very Good
4,659 reviews
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

8.0
Very Good
9,683 reviews
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

8.0
Very Good
8,512 reviews
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

7.4
Good
3,199 reviews
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

7.4
Good
8,965 reviews
8.1
Very Good
4,659 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

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 airports do I use to fly from San Francisco to Boston?

    Booking a flight from San Francisco (SFO) to Boston Logan Intl (BOS) is your only option if you wish to fly from San Francisco to Boston. On a typical day, there are 31 flights from San Francisco to Logan Intl, all of which are around 5h 33m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Boston.

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

  • What are the cheapest airlines flying from San Francisco to Boston round-trip?

    Currently priced at £181, JetBlue will fly you from San Francisco to Boston and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from £183 and £191, respectively. You may be able to fly from San Francisco to Boston for 40% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Boston one-way?

    One-way options have recently been found by users for as low as £93 on Delta. Other airlines that offer cheap prices include United Airlines from £97 and Alaska Airlines from £101 one-way.

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

    Before booking your flight to Boston from San Francisco, check out the most reliable airlines to get you to your destination on time: Etihad Airways (100%), American Airlines (94%), Fiji Airways( 94%).

  • What are the cheapest flights from San Francisco to Boston?

    The cheapest flight price from San Francisco to Boston is £93. On average you can expect to pay £404. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for £197.

  • 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.

  • What is the cheapest month to book a flight from San Francisco to Boston?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Boston (average of £10). Flying from San Francisco to Boston in July is currently the most expensive (average of £724). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Cambridge
Chelsea
Burlington
Chelmsford
Kittery

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Alternative routes for San Francisco to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Francisco to Boston

Discover the top airline that operate flights from San Francisco to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£88Average£248FlexibilityNo cancel feeOn-time62%
Search JetBlue 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?

Cheapflights helps you search for flights from San Francisco to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Need flexible booking options for your flight to Boston from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from San Francisco to Boston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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