HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$126+ Cheap flights from Massachusetts to San Francisco (SFO)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to San Francisco 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.

Find flight deals from Massachusetts to San Francisco

Cheapest flights from Massachusetts to San Francisco
Explore the most affordable flight options available from Massachusetts to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
sáb. 12/66:52 pmBOS - SFO
Nonstop6h 56mHawaiian Airlines
sáb. 12/137:00 amSFO - BOS
Nonstop5h 37mHawaiian Airlines
Deal found 11/4$207
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
sáb. 12/66:52 pmBOS - SFO
Nonstop6h 56mAlaska Airlines
mié. 12/107:00 amSFO - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/3$217
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
sáb. 12/68:11 pmBOS - SFO
2 stops31h 13mMultiple Airlines
sáb. 12/1311:33 pmSFO - BOS
1 stop31h 49mMultiple Airlines
Deal found 11/3$221
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
sáb. 11/229:54 pmBOS - SFO
1 stop24h 29mMultiple Airlines
mié. 12/36:18 amSFO - BOS
2 stops25h 04mMultiple Airlines
Deal found 11/5$223
This Rumbo deal was found by Cheapflights users on 11/3. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:15 amBOS - SFO
Nonstop6h 46mJetBlue
mié. 12/109:16 pmSFO - BOS
Nonstop5h 34mJetBlue
Deal found 11/3$225
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
jue. 12/116:52 pmBOS - SFO
Nonstop6h 56mAlaska Airlines
sáb. 12/137:00 amSFO - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/3$226
This United Airlines deal was found by Cheapflights users on 11/4. 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.
sáb. 12/66:00 amBOS - SFO
Nonstop6h 45mUnited Airlines
vie. 12/121:05 pmSFO - BOS
Nonstop5h 38mUnited Airlines
Deal found 11/4$227
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
mié. 12/39:54 pmBOS - SFO
1 stop18h 24mMultiple Airlines
mié. 12/106:30 amSFO - BOS
2 stops46h 03mMultiple Airlines
Deal found 11/3$228
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
dom. 11/236:00 amBOS - SFO
1 stop16h 23mFrontier
mié. 12/36:18 amSFO - BOS
2 stops25h 04mFrontier
Deal found 11/4$229
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
sáb. 11/229:54 pmBOS - SFO
1 stop24h 29mMultiple Airlines
sáb. 12/611:33 pmSFO - BOS
1 stop31h 49mMultiple Airlines
Deal found 11/5$230
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
sáb. 11/229:54 pmBOS - SFO
1 stop24h 29mMultiple Airlines
jue. 12/46:30 amSFO - BOS
2 stops24h 52mMultiple Airlines
Deal found 11/5$231
This American Airlines deal was found by Cheapflights users on 11/3. 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.
sáb. 12/66:00 amBDL - SFO
1 stop10h 47mAmerican Airlines
mié. 12/109:00 amSFO - BDL
1 stop7h 55mAmerican Airlines
Deal found 11/3$251

Cheap flight deals from Massachusetts to San Francisco

Keep the following information in mind while searching for Massachusetts to San Francisco flight deals. Data was last updated noviembre 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$207
(Kiwi.com)

One-way from

$126
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$369

Good round-trip deal

$297 or less

Good one-way deal

$185 or less
Provider with most accurate pricing for Boston Logan Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Francisco flights.
Search Deals
From Massachusetts to San Francisco
Search Deals
One-way flight from Massachusetts to San Francisco
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to San Francisco.
Search Deals
Price to beat on a one-way flight from Massachusetts to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to San Francisco 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 2,558,603 searches. Data last updated noviembre 5, 2025.
Use the filters below to find and compare flights from Massachusetts to San Francisco that are best for you.

Fly from

Massachusetts

Fly to

San Francisco

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mié. 11/19

7:00 am-1:50 pm

1 stop9h 50m

San Francisco

vie. 12/5

7:00 am-3:37 pm

Nonstop5h 37m

$247

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

sáb. 2/21

7:30 pm-1:28 am

1 stop8h 58m

San Francisco

sáb. 2/28

10:56 pm-10:01 am

1 stop8h 05m

$251

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

jue. 11/27

5:57 pm-9:50 pm

Nonstop6h 53m

San Francisco

lun. 12/8

10:55 pm-7:36 am

Nonstop5h 41m

$266

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

lun. 11/24

6:00 am-9:45 am

Nonstop6h 45m

San Francisco

lun. 12/1

6:45 pm-5:56 am

1 stop8h 11m

$269

WorcesterSan Francisco

ORH - SFO

ORHSFO

Worcester

sáb. 12/6

3:37 pm-9:26 am

2 stops20h 49m

San Francisco

mar. 12/9

12:08 pm-3:05 pm

1 stop23h 57m

$272

HartfordSan Francisco

BDL - SFO

BDLSFO

Hartford Bradley Intl

mar. 1/6

6:00 am-11:36 am

1 stop8h 36m

San Francisco

dom. 1/11

6:00 am-4:09 pm

1 stop7h 09m

$274

HartfordSan Francisco

BDL - SFO

BDLSFO

Hartford Bradley Intl

mié. 12/17

5:23 am-10:46 am

1 stop8h 23m

San Francisco

jue. 1/22

12:47 am-1:47 pm

1 stop10h 00m

$274

HartfordSan Francisco

BDL - SFO

BDLSFO

Hartford Bradley Intl

jue. 12/4

5:23 am-10:46 am

1 stop8h 23m

San Francisco

mar. 12/9

10:45 pm-8:48 am

1 stop7h 03m

$274

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 1/9

8:05 pm-11:59 pm

Nonstop6h 54m

San Francisco

lun. 1/26

8:45 pm-7:41 am

1 stop7h 56m

$275

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 1/30

8:05 pm-11:59 pm

Nonstop6h 54m

San Francisco

dom. 2/1

10:40 pm-12:15 pm

1 stop10h 35m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Massachusetts to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Massachusetts 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.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to San Francisco

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

Currently, March is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $98). Flying from Massachusetts to San Francisco in May is currently the most expensive (average of $179). 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 MA to SFO?

Find hourly flight availability from Massachusetts to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 5, 2025.

It’s typically best to fly out from Massachusetts to San Francisco in the evening. Doing so could potentially save you 60% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to San Francisco flight should consider departing on Saturday 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 Massachusetts to San Francisco

Explore weekly flight availability from Massachusetts to San Francisco. 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 noviembre 5, 2025.

The most flights from USMA to SFO are scheduled on a Monday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Massachusetts?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from Massachusetts to San Francisco.

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

    This flight path from Massachusetts to San Francisco was viewed by 76 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Massachusetts to San Francisco?

    Departing from Massachusetts to San Francisco will take you 8h 58m. Massachusetts and San Francisco are separated by a distance of 2551 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Massachusetts to San Francisco are American Airlines ($126), JetBlue ($129), and United Airlines ($129).

  • What are the most popular routes from Massachusetts to San Francisco?

    When deciding which route to take from Massachusetts to San Francisco consider Boston Logan Intl - San Francisco, Hartford Bradley Intl - San Francisco or Albany Intl - San Francisco as they are the most popular.

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

    Before booking your flight to San Francisco from Massachusetts, check out the most reliable airlines to get you to your destination on time: China Eastern (100%), Air China (97%), ANA( 91%).

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

    Looking for the cheapest flight from Massachusetts to San Francisco? While on average our users pay $1,022, our data indicates the cheapest price to be $118. The most popular route (Boston Logan Intl - San Francisco), is priced around $209.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to San Francisco 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 Massachusetts to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $98). Flying from Massachusetts to San Francisco in May is currently the most expensive (average of $179). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
Vallejo
Hollister
San Bruno
Foster City
Redwood City
Union City
Burlingame
Lodi
San Mateo
Vacaville
Lathrop

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 Massachusetts to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
San Francisco to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Newark to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
Seattle to Las Vegas flights
San Francisco to Ontario flights
Newark to San Francisco flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Las Vegas flights
LaGuardia to Los Angeles flights
San Francisco to Santa Ana flights
Los Angeles to San Francisco flights
Dulles Intl to Las Vegas flights
Santa Ana to San Francisco flights
Ontario to San Francisco flights
Boston to Los Angeles flights
Seattle to San Diego flights
Los Angeles to Las Vegas flights
Reagan-National to Los Angeles flights
Minneapolis to Las Vegas flights
Denver to Las Vegas flights
Dulles Intl to Los Angeles flights
Boston to Las Vegas flights
LaGuardia to Las Vegas flights
O'Hare Intl to Los Angeles flights
Seattle to Ontario flights
Seattle to Santa Ana flights
Los Angeles to San Jose flights
Dallas/Fort Worth to San Francisco flights
Reagan-National to Las Vegas flights
San Jose to Las Vegas flights
Baltimore to Las Vegas flights
Burbank to Las Vegas flights
Baltimore to Los Angeles flights
Hobby to Las Vegas flights
LaGuardia to San Francisco flights
Atlanta to Los Angeles flights
John F Kennedy Intl to San Diego flights
Atlanta to Las Vegas flights
O'Hare Intl to San Francisco flights
Seattle to San Francisco flights
Austin to Las Vegas flights
Detroit to Las Vegas flights
Portland to Los Angeles flights
Santa Ana to Las Vegas flights

Top 9 airlines flying from Massachusetts to San Francisco

Discover the top 9 airlines that operate flights from Massachusetts to San Francisco. 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 2,558,603 searches. Data last updated noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$212FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$323FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$141Average$315FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$153Average$380FlexibilityNo cancel feeOn-time63%
DeltaCheapest$191Average$367FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$198Average$359FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$228Average$367FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$412FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$253Average$377FlexibilityNo cancel feeOn-time71%

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.