HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$119+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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.

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 September 15, 2025.

Round-trip from

$222
(CheapOair)

One-way from

$119
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$337

Good round-trip deal

$294 or less

Good one-way deal

$181 or less
From Massachusetts to San Francisco
Search Deals
One-way flight from Massachusetts to San Francisco
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

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 September 15, 2025.

This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:43 amBOS - SFO
1 stop12h 28mFrontier
Sat 11/1510:23 pmSFO - BOS
1 stop31h 37mFrontier
Deal found 9/14$222
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:04 amBOS - SFO
1 stop14h 07mFrontier
Sat 11/1510:23 pmSFO - BOS
1 stop31h 37mFrontier
Deal found 9/13$227
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:53 amBOS - SFO
1 stop13h 28mFrontier
Fri 10/1010:23 pmSFO - BOS
1 stop31h 32mFrontier
Deal found 9/13$232
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:20 pmBOS - SFO
2 stops14h 54mFrontier
Thu 11/612:43 pmSFO - BOS
2 stops16h 09mFrontier
Deal found 9/15$233
This Southwest deal was found by Cheapflights users on 9/12. 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.
Thu 12/117:45 amBOS - SFO
1 stop8h 35mSouthwest
Fri 12/1212:50 pmSFO - BOS
1 stop7h 50mSouthwest
Deal found 9/12$236
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:04 amBOS - SFO
2 stops17h 10mFrontier
Sat 11/110:23 pmSFO - BOS
1 stop8h 37mFrontier
Deal found 9/15$241
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:04 amBOS - SFO
1 stop14h 07mFrontier
Fri 11/148:09 pmSFO - BOS
2 stops11h 39mFrontier
Deal found 9/13$246
This Southwest deal was found by Cheapflights users on 9/12. 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.
Thu 12/47:20 amBOS - SFO
1 stop9h 35mSouthwest
Sun 12/712:50 pmSFO - BOS
1 stop7h 50mSouthwest
Deal found 9/12$249
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:25 pmBOS - SFO
Nonstop6h 40mAlaska Airlines
Sat 10/257:11 amSFO - BOS
Nonstop5h 49mAlaska Airlines
Deal found 9/14$253
This Kissandfly.com deal was found by Cheapflights users on 9/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:23 pmBOS - SFO
Nonstop6h 29mAlaska Airlines
Wed 9/246:10 amSFO - BOS
Nonstop5h 50mAlaska Airlines
Deal found 9/14$254
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/237:35 pmALB - SFO
1 stop8h 20mUnited Airlines
Tue 10/2810:40 pmSFO - ALB
1 stop10h 26mUnited Airlines
Deal found 9/15$274
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/258:50 amBDL - SFO
2 stops11h 45mSouthwest
Sun 10/269:05 pmSFO - BDL
1 stop8h 10mSouthwest
Deal found 9/15$276

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 September 15, 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

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Thu 11/13

6:00 am-1:25 pm

1 stop10h 25m

San Francisco

Tue 11/18

11:20 pm-10:07 am

1 stop7h 47m

$274

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Thu 11/13

5:20 am-11:05 am

1 stop8h 45m

San Francisco

Tue 11/18

6:10 am-4:15 pm

1 stop7h 05m

$274

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Thu 10/23

7:35 pm-12:55 am

1 stop8h 20m

San Francisco

Tue 10/28

10:40 pm-12:06 pm

1 stop10h 26m

$274

HartfordSan Francisco

BDL - SFO

BDLSFO

Hartford Bradley Intl

Wed 10/22

5:06 pm-10:35 pm

1 stop8h 29m

San Francisco

Sat 10/25

12:35 am-10:30 am

1 stop6h 55m

$277

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 1/21

5:50 am-1:25 pm

1 stop10h 35m

San Francisco

Wed 2/25

9:30 pm-8:20 am

1 stop7h 50m

$277

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Sat 10/25

6:08 am-10:33 am

1 stop7h 25m

San Francisco

Tue 10/28

9:50 pm-11:11 am

1 stop10h 21m

$277

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 11/12

6:59 pm-10:50 pm

Nonstop6h 51m

San Francisco

Sun 11/16

7:00 am-3:41 pm

Nonstop5h 41m

$279

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 11/8

7:55 pm-11:42 pm

Nonstop6h 47m

San Francisco

Tue 11/11

9:10 pm-5:44 am

Nonstop5h 34m

$279

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 11/19

6:59 pm-10:50 pm

Nonstop6h 51m

San Francisco

Wed 12/3

7:00 am-3:37 pm

Nonstop5h 37m

$279

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 10/22

6:15 am-9:50 am

Nonstop6h 35m

San Francisco

Sat 10/25

10:11 pm-6:50 am

Nonstop5h 39m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, January is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $276). Flying from Massachusetts to San Francisco in June is currently the most expensive (average of $357). 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 September 15, 2025.

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

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 September 15, 2025.

The most flights from USMA to SFO are scheduled on a Sunday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (35 on average).

How much does it cost to fly round-trip from Massachusetts to San Francisco?

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 62 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 29m. Massachusetts and San Francisco are separated by a distance of 2617 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 United Airlines ($119), American Airlines ($126), and Southwest ($139).

  • 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: LATAM Airlines (92%), Etihad Airways (86%), Virgin Australia( 86%).

  • 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 $815, our data indicates the cheapest price to be $118. The most popular route (Boston Logan Intl - San Francisco), is priced around $263.

  • 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, January is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $276). Flying from Massachusetts to San Francisco in June is currently the most expensive (average of $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
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
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Newark to Las Vegas flights
Seattle to Las Vegas flights
O'Hare Intl to Las Vegas flights
San Francisco to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
Newark to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
Atlanta to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
Los Angeles to Las Vegas flights
O'Hare Intl to Los Angeles flights
Newark to San Francisco flights
LaGuardia to Los Angeles flights
Denver to Las Vegas flights
Hobby to Las Vegas flights
Boston to Las Vegas flights
Boston to Los Angeles flights
LaGuardia to Las Vegas flights
Santa Ana to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
Dulles Intl to Las Vegas flights
San Francisco to Santa Ana flights
Seattle to San Diego flights
San Francisco to Ontario flights
Ontario to San Francisco flights
Seattle to Ontario flights
Minneapolis to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Santa Ana to San Francisco flights
Burbank to Las Vegas flights
Oakland to Las Vegas flights
George Bush Intcntl to Las Vegas flights
John F Kennedy Intl to Ontario flights
O'Hare Intl to San Francisco flights
Los Angeles to San Jose flights
Love Field to Las Vegas flights
Austin to Las Vegas flights
Orlando to Las Vegas flights
Baltimore to Las Vegas flights
San Jose to Las Vegas flights
Boston to San Francisco flights
Philadelphia to Las Vegas flights
Reagan-National to Las Vegas flights
Midway 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$208FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$321FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$150Average$315FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$153Average$367FlexibilityNo cancel feeOn-time63%
DeltaCheapest$181Average$363FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$197Average$353FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$227Average$411FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$229Average$376FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$239Average$369FlexibilityNo 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.