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$113+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:19 pm
BOS
-
SFO
Nonstop6h 40m
Multiple Airlines
Sat 4/1810:38 pm
SFO
-
BOS
1 stop10h 07m
Multiple Airlines
Deal found 2/7$219
This CheapOair deal was found by Cheapflights users on 2/7. 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.
Wed 3/1811:51 am
BOS
-
SFO
1 stop10h 23m
Multiple Airlines
Tue 3/3110:00 pm
SFO
-
BOS
Nonstop5h 40m
Multiple Airlines
Deal found 2/7$220
This Frontier deal was found by Cheapflights users on 2/9. 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 4/306:00 am
BOS
-
SFO
1 stop13h 54m
Frontier
Tue 5/510:38 pm
SFO
-
BOS
1 stop10h 27m
Frontier
Deal found 2/9$221
This Trip.com deal was found by Cheapflights users on 2/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:36 pm
BOS
-
SFO
1 stop10h 08m
Alaska Airlines
Wed 3/411:34 am
SFO
-
BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/6$222
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:40 pm
BOS
-
SFO
Nonstop6h 49m
Multiple Airlines
Mon 3/910:38 pm
SFO
-
BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/7$223
This Super.com deal was found by Cheapflights users on 2/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:00 pm
BOS
-
SFO
Nonstop6h 49m
JetBlue
Wed 3/183:25 pm
SFO
-
BOS
Nonstop5h 33m
JetBlue
Deal found 2/7$224
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:45 am
BOS
-
SFO
1 stop16h 29m
Multiple Airlines
Wed 4/1511:20 am
SFO
-
BOS
Nonstop5h 43m
Multiple Airlines
Deal found 2/7$225
This Cheapflightsfares deal was found by Cheapflights users on 2/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:59 pm
BOS
-
SFO
Nonstop6h 52m
JetBlue
Tue 3/3110:00 pm
SFO
-
BOS
Nonstop5h 40m
JetBlue
Deal found 2/6$226
This Delta deal was found by Cheapflights users on 2/7. 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.
Wed 3/47:45 am
BOS
-
SFO
Nonstop7h 02m
Delta
Tue 3/177:25 am
SFO
-
BOS
Nonstop5h 32m
Delta
Deal found 2/7$227
This flugladen.de deal was found by Cheapflights users on 2/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:02 am
BOS
-
SFO
1 stop9h 46m
Multiple Airlines
Wed 3/183:25 pm
SFO
-
BOS
Nonstop5h 33m
Multiple Airlines
Deal found 2/9$228
This Priceline deal was found by Cheapflights users on 2/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BOS
-
SFO
1 stop13h 54m
Multiple Airlines
Wed 4/223:10 pm
SFO
-
BOS
Nonstop5h 48m
Multiple Airlines
Deal found 2/6$230
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 3/173:18 pm
BDL
-
SFO
1 stop10h 31m
American Airlines
Tue 3/3111:35 pm
SFO
-
BDL
2 stops10h 25m
American Airlines
Deal found 2/7$256

Find 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(Expedia)

One-way from

$113
(Cheapflightsfares)

Popular in

December

Cheapest in

March

Average price

$357

Good round-trip deal

$294 or less

Good one-way deal

$156 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. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 9, 2026.
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

Wed 3/11

5:20 pm-9:13 pm

Nonstop6h 53m

San Francisco

Tue 3/17

7:25 am-3:57 pm

Nonstop5h 32m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 2/28

7:30 am-11:04 pm

1 stop18h 34m

San Francisco

Wed 3/4

7:10 am-3:49 pm

Nonstop5h 39m

$246

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 4/14

4:50 pm-10:55 pm

1 stop9h 05m

San Francisco

Tue 4/28

11:20 pm-8:24 am

Nonstop6h 04m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 3/15

8:59 pm-12:51 am

Nonstop6h 52m

San Francisco

Wed 3/18

3:25 pm-11:58 pm

Nonstop5h 33m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 2/27

6:00 am-9:58 am

Nonstop6h 58m

San Francisco

Tue 3/3

11:15 am-7:56 pm

Nonstop5h 41m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 2/24

7:00 am-3:48 pm

1 stop11h 48m

San Francisco

Wed 2/25

6:40 am-5:24 pm

1 stop7h 44m

$257

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 2/24

7:00 am-11:00 am

Nonstop7h 00m

San Francisco

Wed 2/25

3:25 pm-11:58 pm

Nonstop5h 33m

$258

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/25

5:35 pm-9:35 pm

Nonstop7h 00m

San Francisco

Wed 3/4

6:00 am-9:23 pm

1 stop12h 23m

$261

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/25

4:36 pm-11:44 pm

1 stop10h 08m

San Francisco

Thu 3/5

11:34 am-11:59 pm

1 stop9h 25m

$262

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/25

5:35 pm-9:35 pm

Nonstop7h 00m

San Francisco

Thu 3/12

7:25 am-3:57 pm

Nonstop5h 32m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 results
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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 January is currently the most expensive (average of $181). 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 February 9, 2026.

It’s typically best to fly out from Massachusetts to San Francisco in the evening. Doing so could potentially save you 31% on the flight price compared to flying at noon, 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 February 7, 2026.

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

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 81 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 6h 52m. Massachusetts and San Francisco are separated by a distance of 2696 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 Frontier ($83), JetBlue ($113), and Alaska Airlines ($115).

  • 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: KLM (93%), JetBlue (80%), Hawaiian Airlines( 77%).

  • 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 $970, our data indicates the cheapest price to be $104. The most popular route (Boston Logan Intl - San Francisco), is priced around $214.

  • 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 January is currently the most expensive (average of $181). 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
South San Francisco
Santa Cruz
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
San Lorenzo
Davis
Hollister
Redwood City
Manteca
Union City
Elk Grove

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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$211FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$299FlexibilityNo cancel feeOn-time85%
DeltaCheapest$144Average$365FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$153Average$393FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$160Average$354FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$207Average$334FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$219Average$405FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$231Average$361FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$267Average$371FlexibilityNo cancel feeOn-time71%

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