San Francisco

$109+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
May 6 — May 131
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$109
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$361

Good round-trip deal

$306 or less

Good one-way deal

$166 or less
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
One-way flight from Massachusetts to San Francisco
Highest demand for flights based on searches. 6% potential increase in price ($26 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 May 2025
Price to beat on a round-trip flight from Massachusetts to San Francisco.
Price to beat on a one-way flight from Massachusetts to San Francisco.

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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/46:00 amBOS - SFO
1 stop10h 15mFrontier
Sun 5/119:59 pmSFO - BOS
1 stop23h 45mFrontier
Deal found 4/30$227
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/286:00 amBOS - SFO
Nonstop6h 28mUnited Airlines
Sun 6/19:20 pmSFO - BOS
Nonstop5h 44mUnited Airlines
Deal found 4/30$228
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/34:49 pmBOS - SFO
1 stop10h 04mAlaska Airlines
Wed 6/46:00 amSFO - BOS
1 stop22h 40mAlaska Airlines
Deal found 4/30$229
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/244:49 pmBOS - SFO
1 stop10h 04mHawaiian Airlines
Sat 5/318:47 pmSFO - BOS
Nonstop5h 53mHawaiian Airlines
Deal found 4/30$231
This lastminute.com deal was found by Cheapflights users on 4/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:59 pmBOS - SFO
Nonstop6h 45mMultiple Airlines
Sat 5/318:00 amSFO - BOS
1 stop19h 10mMultiple Airlines
Deal found 4/30$241
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/101:08 pmALB - SFO
1 stop8h 33mUnited Airlines
Tue 6/1711:59 pmSFO - ALB
1 stop9h 25mUnited Airlines
Deal found 4/29$251
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/244:58 pmBDL - SFO
1 stop9h 51mAmerican Airlines
Fri 5/3012:24 amSFO - BDL
1 stop8h 23mAmerican Airlines
Deal found 4/30$253
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 8/301:39 pmALB - SFO
2 stops10h 12mAmerican Airlines
Sat 9/611:46 pmSFO - ALB
1 stop8h 03mAmerican Airlines
Deal found 4/29$256
This Frontier deal was found by Cheapflights users on 4/30. 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 5/113:39 pmBDL - SFO
1 stop9h 43mFrontier
Thu 5/159:59 pmSFO - BDL
1 stop9h 39mFrontier
Deal found 4/30$258
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 7/38:25 amBOS - SFO
Nonstop6h 44mDelta
Mon 7/710:00 pmSFO - BOS
Nonstop5h 40mDelta
Deal found 4/30$259
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/144:03 pmBOS - SFO
1 stop9h 24mAmerican Airlines
Sat 6/216:47 pmSFO - BOS
1 stop7h 50mAmerican Airlines
Deal found 4/30$263
This JetBlue deal was found by Cheapflights users on 4/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/243:10 pmBOS - SFO
1 stop11h 30mJetBlue
Sat 5/318:44 pmSFO - BOS
Nonstop5h 41mJetBlue
Deal found 4/30$275

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 May 1, 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

Wed 5/21

8:00 am-11:44 am

Nonstop6h 44m

San Francisco

Wed 5/28

11:20 pm-10:23 am

1 stop8h 03m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 6/3

4:49 pm-11:53 pm

1 stop10h 04m

San Francisco

Wed 6/4

6:00 am-7:40 am

1 stop22h 40m

$229

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 5/24

4:49 pm-11:53 pm

1 stop10h 04m

San Francisco

Sat 5/31

8:47 pm-5:40 am

Nonstop5h 53m

$231

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 5/19

12:58 pm-10:26 pm

1 stop12h 28m

San Francisco

Sat 5/24

8:47 pm-5:40 am

Nonstop5h 53m

$233

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 5/12

12:58 pm-10:26 pm

1 stop12h 28m

San Francisco

Tue 5/13

9:59 pm-12:44 am

1 stop23h 45m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 5/23

1:02 pm-7:37 pm

1 stop9h 35m

San Francisco

Sat 5/24

12:04 pm-11:59 pm

1 stop8h 55m

$248

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Tue 6/10

1:08 pm-6:41 pm

1 stop8h 33m

San Francisco

Tue 6/17

11:59 pm-12:24 pm

1 stop9h 25m

$251

HartfordSan Francisco

BDL - SFO

BDLSFO

Hartford Bradley Intl

Wed 5/28

12:35 pm-8:10 pm

1 stop10h 35m

San Francisco

Wed 6/4

1:35 pm-12:52 am

1 stop8h 17m

$253

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Sat 8/30

1:39 pm-8:51 pm

2 stops10h 12m

San Francisco

Sat 9/6

11:46 pm-10:49 am

1 stop8h 03m

$256

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 7/3

8:25 am-12:09 pm

Nonstop6h 44m

San Francisco

Mon 7/7

10:00 pm-6:40 am

Nonstop5h 40m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 54 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, 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 $384). 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 May 1, 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 May 1, 2025.

The most flights from USMA to SFO are scheduled on a Wednesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated May 1, 2025.
See what other customers who have flown with Breeze Airways, Alaska Airlines and Southwest from Massachusetts to San Francisco have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Comfort

8.2

Overall

8.1

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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?

  • 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 ($109), Alaska Airlines ($118), and JetBlue ($119).

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

  • 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: Air China (95%), Scandinavian Airlines (91%), Delta( 87%).

  • 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 $1,029, our data indicates the cheapest price to be $118. The most popular route (Boston Logan Intl - San Francisco), is priced around $197.

  • 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 $384). 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 Massachusetts?

Book flights to Massachusetts if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Livermore
South San Francisco
Turlock
Manteca
Fairfield
Richmond
Watsonville
Hollister
Newark
Milpitas
Antioch
Sausalito
Hayward
Alameda
Sunnyvale
Campbell
Daly City

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Massachusetts to San Francisco

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

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$198FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$351FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$134Average$323FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$150Average$333FlexibilityNo cancel feeOn-time83%
DeltaCheapest$163Average$365FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$195Average$354FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$210Average$387FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$386FlexibilityNo cancel feeOn-time63%

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