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Cheap flights from San Francisco to Boston from $181

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
24 Dec — 31 Dec1
1 adult

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 19 December 2024.

Round-trip from

$322

One-way from

$181

Popular in

June

Cheapest in

February

Average price

$748
Frontier
  • Frontier
  • 23/1-27/1
  • 2 total stops
  • 18h 33m total
  • San Francisco to Boston
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JetBlue
  • JetBlue
  • 10/1
  • Nonstop
  • 5h 32m total
  • San Francisco to Boston
Search Deals
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 19 December 2024.

Tue 24/1207:10SFO - BOS
Nonstop5h 49mDelta
Wed 8/107:40BOS - SFO
Nonstop7h 09mDelta
Deal found 18/12$503
Wed 25/1207:00SFO - BOS
Nonstop5h 44mAlaska Airlines
Tue 14/117:24BOS - SFO
1 stop22h 13mAlaska Airlines
Deal found 18/12$538
Mon 30/1208:20SFO - BOS
Nonstop5h 33mJetBlue
Mon 13/117:55BOS - SFO
Nonstop6h 48mJetBlue
Deal found 19/12$551
Mon 30/1220:15SFO - BOS
Nonstop5h 41mUnited Airlines
Mon 13/109:15BOS - SFO
1 stop9h 10mUnited Airlines
Deal found 19/12$559
Wed 25/1207:55SFO - BOS
2 stops11h 30mSouthwest
Fri 10/110:45BOS - SFO
2 stops13h 40mSouthwest
Deal found 18/12$716
Tue 24/1223:59SFO - BOS
1 stop7h 52mSun Country Air
Tue 31/1211:46BOS - SFO
1 stop14h 05mSun Country Air
Deal found 19/12$833

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 647,157 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 23/1

06:00-17:39

1 stop8h 39m

Boston Logan Intl

Mon 27/1

12:56-19:50

1 stop9h 54m

$322

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 23/1

08:25-17:11

Nonstop5h 46m

Boston Logan Intl

Wed 29/1

05:45-11:29

1 stop8h 44m

$337

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 11/1

07:30-16:10

Nonstop5h 40m

Boston Logan Intl

Sat 18/1

17:50-21:56

Nonstop7h 06m

$338

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 13/1

23:05-07:38

Nonstop5h 33m

Boston Logan Intl

Tue 14/1

10:00-13:49

Nonstop6h 49m

$351

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 10/1

06:00-17:39

1 stop8h 39m

Boston Logan Intl

Thu 16/1

16:30-23:38

1 stop10h 08m

$368

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 9/1

00:27-11:02

1 stop7h 35m

Boston Logan Intl

Thu 16/1

16:41-23:06

1 stop9h 25m

$462

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 14/2

05:20-18:25

2 stops10h 05m

Boston Logan Intl

Mon 17/3

16:00-21:30

1 stop8h 30m

$562

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 10/1

13:00-21:43

Nonstop5h 43m

$181

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 17/2

07:30-16:10

Nonstop5h 40m

$183

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 22/1

06:00-16:55

1 stop7h 55m

$192

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 14 results
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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 13 December 2024.

The best time to book flights from San Francisco to Boston is 50 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.

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to Boston (average of $1,183). Flying from San Francisco to Boston in December is currently the most expensive (average of $1,631). 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 19 December 2024.

It’s optimal to fly from San Francisco to Boston at midday. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.

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 19 December 2024.
Get a feel of what it's like to fly with United Airlines, Delta and JetBlue from San Francisco to Boston by reading reviews from past customers. 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.
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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

Southwest
8.1
Very Good
4,836 reviews
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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

Alaska Airlines
8.0
Very Good
9,552 reviews
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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

Delta
8.0
Very Good
8,600 reviews
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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

JetBlue
7.4
Good
3,274 reviews
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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

United Airlines
7.4
Good
9,048 reviews
Southwest
8.1
Very Good
4,836 reviews
Check prices

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Boarding

8.2

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 12 flights from San Francisco to Logan Intl, all of which are around 5h 42m 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?

    The San Francisco to Boston Logan Intl flight path was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $337, United Airlines will fly you from San Francisco to Boston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $338 and $351, respectively. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapet airlines for a one-way flight from San Francisco to Boston are Delta ($181), Alaska Airlines ($192), and United Airlines ($195).

  • 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 Etihad Airways(100%), American Airlines(95%) or Fiji Airways(95%), as they are the most reliable in getting you off to your destination on time.

  • 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, February is the cheapest month in which you can book a flight from San Francisco to Boston (average of $1,183). Flying from San Francisco to Boston in December is currently the most expensive (average of $1,631). 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

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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.
Los Angeles to Boston flights

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 647,157 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$295Average$478FlexibilityNo 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?

When you search for this flight from San Francisco to Boston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Boston from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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.

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