San Francisco Bay Area

$100+ Cheap flights from Massachusetts to San Francisco Bay Area

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
dic. 3 — dic. 101
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Cheap flight deals from Massachusetts to San Francisco Bay Area

Keep the following information in mind while searching for Massachusetts to San Francisco Bay Area flight deals. Data was last updated noviembre 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$206
(Alaska Airlines)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$369
Provider with most accurate pricing for Boston Logan Intl-San Francisco flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-San Francisco flights.
From Massachusetts to San Francisco Bay Area
One-way flight from Massachusetts to San Francisco Bay Area
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Massachusetts to San Francisco Bay Area

Cheapest flights from Massachusetts to San Francisco Bay Area
Explore the most affordable flight options available from Massachusetts to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 3, 2025.

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.
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 United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/278:00 amBOS - SFO
Nonstop6h 54mUnited Airlines
mié. 12/310:55 pmSFO - BOS
Nonstop5h 41mUnited Airlines
Deal found 11/3$229
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:24 pmBOS - SFO
1 stop10h 24mAlaska Airlines
sáb. 12/67:00 amSFO - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/3$232
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. 11/196:26 pmBOS - SFO
2 stops22h 51mMultiple Airlines
vie. 12/511:38 pmSFO - BOS
1 stop31h 44mMultiple Airlines
Deal found 11/3$233
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. 12/46:52 pmBOS - SFO
Nonstop6h 56mHawaiian Airlines
lun. 12/87:00 amSFO - BOS
Nonstop5h 37mHawaiian Airlines
Deal found 11/3$235
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:45 pmBOS - SFO
Nonstop6h 46mDelta
dom. 12/712:40 pmSFO - BOS
Nonstop5h 40mDelta
Deal found 11/3$237
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. 12/411:28 amBOS - SFO
1 stop28h 50mFrontier
jue. 12/112:13 pmSFO - BOS
2 stops17h 09mFrontier
Deal found 11/3$238
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.
vie. 12/56:52 pmBOS - SFO
Nonstop6h 56mHawaiian Airlines
mié. 12/107:25 pmSFO - BOS
1 stop9h 04mHawaiian Airlines
Deal found 11/3$239
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:24 pmBOS - SFO
1 stop10h 24mAlaska Airlines
mié. 12/106:20 pmSFO - BOS
1 stop10h 09mAlaska Airlines
Deal found 11/2$241
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/1612:50 pmBOS - SFO
1 stop9h 10mUnited Airlines
mar. 1/2011:05 amSFO - BOS
Nonstop5h 46mUnited Airlines
Deal found 11/2$242
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
sáb. 12/64:40 pmBOS - SJC
1 stop9h 19mAlaska Airlines
mié. 12/107:00 amSJC - BOS
1 stop7h 52mAlaska Airlines
Deal found 11/2$248

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to San Francisco Bay Area 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 3, 2025.
Use the filters below to find and compare flights from Massachusetts to San Francisco Bay Area that are best for you.

Fly from

Massachusetts

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 12/12

8:14 pm-11:59 pm

Nonstop6h 45m

San Francisco

lun. 12/15

9:16 pm-5:50 am

Nonstop5h 34m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 12/5

6:00 am-9:45 am

Nonstop6h 45m

San Francisco

lun. 12/8

1:05 pm-9:43 pm

Nonstop5h 38m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 12/5

8:05 pm-11:59 pm

Nonstop6h 54m

San Francisco

dom. 12/7

7:00 am-3:35 pm

Nonstop5h 35m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mar. 11/18

8:05 pm-11:59 pm

Nonstop6h 54m

San Francisco

sáb. 12/13

9:41 pm-6:24 am

Nonstop5h 43m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mié. 1/28

7:00 am-10:59 am

Nonstop6h 59m

San Francisco

dom. 2/1

8:26 am-5:05 pm

Nonstop5h 39m

$242

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sáb. 12/6

9:40 am-3:35 pm

1 stop8h 55m

San Francisco

dom. 12/14

1:05 pm-9:43 pm

Nonstop5h 38m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sáb. 1/24

5:40 pm-9:44 pm

Nonstop7h 04m

San Francisco

vie. 1/30

7:10 am-3:51 pm

Nonstop5h 41m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

jue. 12/4

7:07 pm-1:15 am

1 stop9h 08m

San Francisco

dom. 12/7

10:45 am-7:24 pm

Nonstop5h 39m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 12/12

4:49 pm-10:55 pm

1 stop9h 06m

San Francisco

jue. 12/25

2:05 pm-10:48 pm

Nonstop5h 43m

$254

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

mié. 1/28

12:45 pm-8:56 pm

2 stops11h 11m

San Jose

mié. 2/4

8:40 am-8:05 pm

1 stop8h 25m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 results
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Best time to book a flight from Massachusetts to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

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

Currently, March is the cheapest month in which you can book a flight from Massachusetts to San Francisco Bay Area (average of $98). Flying from Massachusetts to San Francisco Bay Area 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 XIH?

Find hourly flight availability from Massachusetts to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 3, 2025.

When flying from Massachusetts to San Francisco Bay Area, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Massachusetts to San Francisco Bay Area flight should consider departing on Thursday mornings 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.

Weekly flight availability from Massachusetts to San Francisco Bay Area

Explore weekly flight availability from Massachusetts to San Francisco Bay Area. 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 3, 2025.

The most flights from USMA to zzXIH are scheduled on a Sunday (45 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 Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Massachusetts to San Francisco Bay Area flight route?

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

    There are many flights that can get you from Massachusetts to San Francisco Bay Area in 6h 45m. Fly via JetBlue, United Airlines, or Delta to get the fastest option. The distance between Massachusetts and San Francisco Bay Area is about 2696 mi. Most flights are nonstop.

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

    $124 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $126 and $129, respectively.

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

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

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

    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 Bay Area.

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

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

    Currently, March is the cheapest month in which you can book a flight from Massachusetts to San Francisco Bay Area (average of $98). Flying from Massachusetts to San Francisco Bay Area 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Massachusetts to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Massachusetts to San Francisco Bay Area

Discover the top 9 airlines that operate flights from Massachusetts to San Francisco Bay Area. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$212FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$98Average$313FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$323FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$141Average$315FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$153Average$439FlexibilityNo cancel feeOn-time63%
DeltaCheapest$190Average$372FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$228Average$398FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$404FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$440FlexibilityNo cancel feeOn-time71%

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