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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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/26:00 am
BOS
-
SFO
1 stop18h 39m
Frontier
Mon 3/1610:38 pm
SFO
-
BOS
1 stop10h 03m
Frontier
Deal found 1/31$217
This SmartFares deal was found by Cheapflights users on 2/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:33 pm
BOS
-
SFO
Nonstop6h 52m
JetBlue
Wed 2/258:20 am
SFO
-
BOS
Nonstop5h 39m
JetBlue
Deal found 2/2$218
This Frontier deal was found by Cheapflights users on 2/3. 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 Frontier 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
Frontier
Mon 3/2310:38 pm
SFO
-
BOS
1 stop10h 03m
Frontier
Deal found 2/3$219
This Expedia deal was found by Cheapflights users on 2/1. 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.
Mon 5/116:00 am
BOS
-
SFO
1 stop13h 54m
Multiple Airlines
Tue 5/197:50 am
SFO
-
BOS
1 stop18h 59m
Multiple Airlines
Deal found 2/1$220
This Frontier deal was found by Cheapflights users on 2/1. 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.
Wed 4/296:00 am
BOS
-
SFO
1 stop13h 54m
Frontier
Mon 5/410:38 pm
SFO
-
BOS
1 stop10h 27m
Frontier
Deal found 2/1$221
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:50 pm
BOS
-
SFO
2 stops33h 38m
Multiple Airlines
Tue 3/1010:40 pm
SFO
-
BOS
1 stop8h 49m
Multiple Airlines
Deal found 2/3$222
This Expedia deal was found by Cheapflights users on 2/1. 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 3/37:10 am
BOS
-
SFO
Nonstop7h 00m
Multiple Airlines
Sat 3/710:38 pm
SFO
-
BOS
1 stop9h 03m
Multiple Airlines
Deal found 2/1$223
This Super.com deal was found by Cheapflights users on 2/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:40 pm
BOS
-
SFO
Nonstop6h 51m
JetBlue
Tue 3/1012:30 pm
SFO
-
BOS
Nonstop5h 38m
JetBlue
Deal found 2/3$224
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Thu 2/196:00 am
BOS
-
SFO
1 stop18h 39m
Multiple Airlines
Tue 3/310:55 pm
SFO
-
BOS
2 stops14h 50m
Multiple Airlines
Deal found 1/31$225
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:10 am
BOS
-
SFO
Nonstop7h 00m
JetBlue
Tue 3/318:15 pm
SFO
-
BOS
Nonstop5h 42m
JetBlue
Deal found 2/3$226
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/39:02 am
BOS
-
SFO
1 stop12h 05m
Alaska Airlines
Tue 3/1011:34 am
SFO
-
BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/3$227
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Thu 2/196:00 am
BOS
-
SFO
1 stop18h 39m
Frontier
Wed 2/2510:58 pm
SFO
-
BOS
1 stop23h 15m
Frontier
Deal found 2/1$228

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$100
(Frontier)

Popular in

December

Cheapest in

March

Average price

$357
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 Bay Area
Search Deals
One-way flight from Massachusetts to San Francisco Bay Area
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

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 February 3, 2026.
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

Thu 3/5

4:36 pm-11:44 pm

1 stop10h 08m

San Francisco

Tue 3/10

11:34 am-11:59 pm

1 stop9h 25m

$217

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/25

7:45 am-11:47 am

Nonstop7h 02m

San Francisco

Wed 3/4

7:10 am-3:49 pm

Nonstop5h 39m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 3/3

7:10 am-11:10 am

Nonstop7h 00m

San Francisco

Tue 3/3

8:44 pm-5:15 am

Nonstop5h 31m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 3/3

7:45 am-11:47 am

Nonstop7h 02m

San Francisco

Wed 3/4

7:10 am-3:49 pm

Nonstop5h 39m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 3/7

7:15 am-1:48 pm

1 stop9h 33m

San Francisco

Tue 3/10

1:00 pm-9:39 pm

Nonstop5h 39m

$235

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 2/26

4:36 pm-11:44 pm

1 stop10h 08m

San Francisco

Tue 3/3

6:40 am-5:24 pm

1 stop7h 44m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/23

8:59 pm-12:51 am

Nonstop6h 52m

San Francisco

Tue 3/24

3:25 pm-11:58 pm

Nonstop5h 33m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 3/9

5:20 pm-9:13 pm

Nonstop6h 53m

San Francisco

Tue 3/10

7:25 am-3:57 pm

Nonstop5h 32m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/25

7:45 am-11:47 am

Nonstop7h 02m

San Francisco

Fri 3/6

1:00 pm-9:35 pm

Nonstop5h 35m

$247

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Wed 3/4

4:50 pm-10:10 pm

1 stop8h 20m

San Jose

Wed 3/11

9:50 pm-8:10 am

1 stop7h 20m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 $103). Flying from Massachusetts to San Francisco Bay Area 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 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 February 3, 2026.

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 59% 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 January 31, 2026.

Travelers seeking maximum savings on their Massachusetts to San Francisco Bay Area flight should consider departing on Thursday afternoons 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 February 3, 2026.

The most flights from USMA to zzXIH are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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?

    This flight path from Massachusetts to San Francisco Bay Area was viewed by 80 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 Bay Area?

    There are many flights that can get you from Massachusetts to San Francisco Bay Area in 7h. Fly via Alaska Airlines, Delta, or JetBlue to get the fastest option. The distance between Massachusetts and San Francisco Bay Area is about 2696 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Hawaiian Airlines, with prices starting from $98 and $108, 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 $103). Flying from Massachusetts to San Francisco Bay Area 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

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Alternative routes for Massachusetts to San Francisco Bay Area

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$210FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$98Average$304FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$299FlexibilityNo cancel feeOn-time85%
DeltaCheapest$141Average$367FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$153Average$424FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$177Average$422FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$207Average$334FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$217Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$385FlexibilityNo cancel feeOn-time69%

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