HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$114+ Cheap flights from San Francisco to Boston (SFO - BOS)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Nov 30 — Dec 71
Sat 11/30
Sat 12/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Boston with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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 November 25, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$212
(Expedia)

One-way from

$114
(Delta)
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
Search Deals
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 28% potential price drop
Search Deals
From San Francisco to Boston Logan Intl
Search Deals
One-way flight from San Francisco to Boston Logan Intl
Search Deals

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 November 25, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:05 pmSFO - BOS
1 stop13h 36mMultiple Airlines
Mon 1/1312:38 pmBOS - SFO
1 stop10h 08mMultiple Airlines
Deal found 11/24$229
This JetBlue deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/177:40 amSFO - BOS
Nonstop5h 30mJetBlue
Tue 1/76:00 amBOS - SFO
Nonstop6h 55mJetBlue
Deal found 11/25$232
This American Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1512:22 amSFO - BOS
1 stop10h 11mAmerican Airlines
Tue 12/176:15 amBOS - SFO
1 stop9h 29mAmerican Airlines
Deal found 11/23$270
This eDestinos deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:18 pmSFO - BOS
1 stop13h 23mSun Country Air
Sun 12/1511:37 amBOS - SFO
1 stop8h 41mSun Country Air
Deal found 11/24$272
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1611:00 pmSFO - BOS
Nonstop5h 38mUnited Airlines
Tue 12/174:51 pmBOS - SFO
1 stop9h 04mUnited Airlines
Deal found 11/23$289
This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:30 amSFO - BOS
Nonstop5h 44mDelta
Fri 1/107:50 amBOS - SFO
Nonstop7h 09mDelta
Deal found 11/24$303
This Alaska Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:00 amSFO - BOS
1 stop8h 41mAlaska Airlines
Sat 1/117:00 amBOS - SFO
1 stop9h 37mAlaska Airlines
Deal found 11/24$337
This Southwest deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:55 amSFO - BOS
2 stops10h 40mSouthwest
Tue 1/141:25 pmBOS - SFO
2 stops11h 50mSouthwest
Deal found 11/24$351

Find flights from San Francisco to Boston within your budget

Customize 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 2,683,152 searches. Data last updated November 25, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 1/15

6:00 am-4:55 pm

1 stop7h 55m

Boston Logan Intl

Mon 1/20

12:56 pm-7:50 pm

1 stop9h 54m

$212

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 1/27

11:05 pm-7:38 am

Nonstop5h 33m

Boston Logan Intl

Tue 1/28

10:30 am-2:19 pm

Nonstop6h 49m

$221

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 1/9

1:15 pm-9:54 pm

Nonstop5h 39m

Boston Logan Intl

Wed 1/15

7:40 am-11:49 am

Nonstop7h 09m

$225

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 1/6

7:30 am-4:12 pm

Nonstop5h 42m

Boston Logan Intl

Tue 1/7

1:30 pm-5:21 pm

Nonstop6h 51m

$233

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 2/15

7:32 am-6:58 pm

1 stop8h 26m

Boston Logan Intl

Tue 2/18

2:31 pm-9:11 pm

1 stop9h 40m

$256

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 12/12

6:18 pm-10:41 am

1 stop13h 23m

Boston Logan Intl

Sun 12/15

11:37 am-5:18 pm

1 stop8h 41m

$272

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 1/16

9:15 am-3:29 pm

1 stop27h 14m

Boston Logan Intl

Tue 1/21

5:24 pm-9:36 pm

1 stop31h 12m

$274

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 2/15

8:55 am-10:10 pm

1 stop10h 15m

Boston Logan Intl

Thu 2/20

9:05 pm-11:50 am

2 stops17h 45m

$308

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 1/24

1:15 pm-9:54 pm

Nonstop5h 39m

$114

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 12/25

10:35 pm-7:17 am

Nonstop5h 42m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Francisco to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Boston in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars
KAYAKPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from San Francisco to Boston. Price data was last updated on November 22, 2024.

The best time to book flights from San Francisco to Boston is 79 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, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of $218). Flying from San Francisco to Boston in July is currently the most expensive (average of $311). 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 November 25, 2024.

It’s typically best to fly out from San Francisco to Boston in the afternoon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Boston. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their San Francisco to Boston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 25, 2024.

The most flights from SFO to BOS are scheduled on a Sunday (46 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 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 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 November 25, 2024.
Get a feel of what it's like to fly with JetBlue, Delta and United Airlines from San Francisco to Boston by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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

Southwest
8.1
Very good
4,984 reviews
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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

Alaska Airlines
8.0
Very good
9,475 reviews
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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

Delta
8.0
Very good
8,734 reviews
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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

JetBlue
7.5
Good
3,365 reviews
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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

United Airlines
7.4
Good
9,156 reviews
Southwest
8.1
Very good
4,984 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

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?

    To fly from San Francisco to Boston, you need to book a flight from San Francisco (SFO) to Logan Intl (BOS). Nonstop flights to Boston Logan Intl from San Francisco take 5h 28m on average. When it comes time to book airfare, you have a few options: there are 40 outbound flights from San Francisco to Logan Intl offered by 9 different airlines.

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

    The San Francisco to Boston Logan Intl flight path was viewed by 59 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 $221, 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 $225 and $233, respectively. JetBlue is 40% 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?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $114. United Airlines flights start at $115 while deals on American Airlines start at $122 one-way.

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

    Consider Scandinavian Airlines (100%), Qatar Airways (97%) or American Airlines (97%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Boston.

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

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (San Francisco - Boston Logan Intl) can be booked for $227 on average our data indicates $1,150 when flying from San Francisco to Boston.

  • Where are the most common layover locations when flying from San Francisco to Boston?

    Flights departing from San Francisco and landing in Boston layover in New York most frequently.

  • What are some popular things to do or see while on a layover in New York?

    Times Square, New York City Center, and Madison Square Garden are the most popular attractions in New York if you're in need of something to do during your layover. Times Square, New York City Center, and Madison Square Garden can be visited by traveling about 13.6 mi, 13.6 mi, and 13.6 mi respectively from New York John F Kennedy Intl. Those on a layover in New York in need of a rental car can book one at New York John F Kennedy Intl for about $64.

  • Where are the least popular layover locations for San Francisco to Boston flights?

    Of the flights from San Francisco to Boston that have layovers, the fewest flights stop in Chicago.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of $218). Flying from San Francisco to Boston in July is currently the most expensive (average of $311). 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

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.

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
San Diego to Boston flights
Ontario to Boston flights
Burbank to Boston flights
Las Vegas to Boston flights
Los Angeles to Hartford flights
Santa Ana to Boston flights
Oakland to Boston flights
San Francisco to Hartford flights
San Jose to Boston flights
Sacramento to Boston flights
Ontario to Hartford flights
San Francisco to Albany flights
Los Angeles to Albany flights
San Diego to Hartford flights
Palm Springs to Boston flights
San Jose to Hartford flights
Sacramento to Hartford flights
Santa Ana to Hartford flights
Las Vegas to Hartford flights
Santa Barbara to Boston flights
Fresno to Boston flights
Long Beach to Boston flights
Reno to Boston flights
San Diego to Albany flights
Monterey to Boston flights
Reno to Hartford flights
Fresno to Hartford flights
Long Beach to Hartford flights
San Jose to Albany flights
San Luis Obispo to Boston flights
Burbank to Hartford flights
San Francisco to Worcester flights
Sacramento to Albany flights
Las Vegas to Worcester flights
Oakland to Hartford flights
Santa Ana to Albany flights
Bakersfield to Boston flights
Santa Barbara to Albany flights
Palm Springs to Hartford flights
Las Vegas to Albany flights
Ontario to Albany flights
Los Angeles to Nantucket flights
Medford to Boston flights
Arcata to Albany flights
Burbank to Albany flights
Santa Rosa to Boston flights
Fresno to Albany flights
Los Angeles to Worcester flights

Top 8 airlines flying from San Francisco to Boston

Discover the top 8 airlines 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 2,683,152 searches. Data last updated November 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$119Average$351FlexibilityNo cancel feeOn-time71%
FrontierCheapest$128Average$148FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$147Average$405FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$388FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$160Average$330FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$166Average$380FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$225Average$472FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$406Average$541FlexibilityNo cancel feeOn-time63%
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.
View all available airlines