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$114+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Massachusetts to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Massachusetts (USMA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(United Airlines)

One-way from

$114
(Delta)

Popular in

June

Cheapest in

September

Average price

$337

Good round-trip deal

$286 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Boston Logan Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Francisco flights.
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From Massachusetts to San Francisco
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One-way flight from Massachusetts to San Francisco
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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Massachusetts to San Francisco.
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Price to beat on a one-way flight from Massachusetts to San Francisco.
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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 January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 3/57:55 amBOS - SFO
Nonstop6h 55mUnited Airlines
Tue 3/111:08 pmSFO - BOS
1 stop7h 42mUnited Airlines
Deal found 1/29$203
This JetBlue deal was found by Cheapflights users on 1/30. 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.
Mon 2/34:40 pmBOS - SFO
1 stop10h 34mJetBlue
Wed 2/58:00 amSFO - BOS
Nonstop5h 34mJetBlue
Deal found 1/30$207
This Frontier deal was found by Cheapflights users on 1/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:05 amBOS - SFO
1 stop15h 15mFrontier
Thu 5/1511:50 pmSFO - BOS
1 stop8h 58mFrontier
Deal found 1/29$210
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/215:50 pmBOS - SFO
Nonstop7h 06mDelta
Tue 2/257:30 amSFO - BOS
Nonstop5h 40mDelta
Deal found 1/29$212
This Expedia deal was found by Cheapflights users on 1/28. 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 4/297:47 pmBOS - SFO
Nonstop6h 47mMultiple Airlines
Fri 5/211:53 pmSFO - BOS
1 stop8h 55mMultiple Airlines
Deal found 1/28$215
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:59 pmBOS - SFO
1 stop15h 53mAlaska Airlines
Wed 2/2611:35 amSFO - BOS
1 stop9h 24mAlaska Airlines
Deal found 1/29$216
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Thu 2/204:51 pmBOS - SFO
1 stop8h 47mAmerican Airlines
Wed 2/266:30 pmSFO - BOS
1 stop7h 55mAmerican Airlines
Deal found 1/29$236
This American Airlines deal was found by Cheapflights users on 1/29. 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 3/12:16 pmORH - SFO
1 stop22h 29mAmerican Airlines
Fri 3/710:39 amSFO - ORH
1 stop24h 04mAmerican Airlines
Deal found 1/29$244
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:50 amALB - SFO
1 stop8h 35mDelta
Thu 3/2010:45 pmSFO - ALB
1 stop7h 15mDelta
Deal found 1/29$277
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 3/46:19 amALB - SFO
2 stops12h 00mAmerican Airlines
Tue 3/1111:47 amSFO - ALB
1 stop7h 33mAmerican Airlines
Deal found 1/30$282
This Southwest deal was found by Cheapflights users on 1/28. 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.
Tue 3/42:05 pmBOS - SFO
1 stop11h 30mSouthwest
Wed 3/510:35 amSFO - BOS
1 stop10h 00mSouthwest
Deal found 1/28$298
This JetBlue deal was found by Cheapflights users on 1/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/264:16 pmORH - SFO
1 stop10h 39mJetBlue
Tue 3/411:40 pmSFO - ORH
1 stop12h 41mJetBlue
Deal found 1/29$300

Find flights from Massachusetts to San Francisco within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/26

5:54 pm-9:50 pm

Nonstop6h 56m

San Francisco

Mon 3/3

7:30 pm-7:20 am

1 stop8h 50m

$203

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 2/24

8:10 pm-11:55 pm

Nonstop6h 45m

San Francisco

Wed 2/26

12:56 pm-12:18 am

1 stop8h 22m

$207

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 5/3

10:05 am-10:20 pm

1 stop15h 15m

San Francisco

Thu 5/15

11:50 pm-11:48 am

1 stop8h 58m

$210

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 4/29

7:47 pm-11:34 pm

Nonstop6h 47m

San Francisco

Thu 5/1

11:50 pm-11:48 am

1 stop8h 58m

$215

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 2/19

7:59 pm-8:52 am

1 stop15h 53m

San Francisco

Wed 2/26

9:00 am-3:23 pm

1 stop27h 23m

$216

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 2/23

7:55 am-12:04 pm

Nonstop7h 09m

San Francisco

Thu 2/27

7:30 am-4:10 pm

Nonstop5h 40m

$224

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 2/20

4:51 pm-10:38 pm

1 stop8h 47m

San Francisco

Wed 2/26

6:30 pm-5:25 am

1 stop7h 55m

$236

WorcesterSan Francisco

ORH - SFO

ORHSFO

Worcester

Sat 3/1

2:16 pm-9:45 am

1 stop22h 29m

San Francisco

Fri 3/7

10:39 am-1:43 pm

1 stop24h 04m

$244

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Tue 3/4

5:50 am-11:25 am

1 stop8h 35m

San Francisco

Thu 3/20

10:45 pm-9:00 am

1 stop7h 15m

$277

AlbanySan Francisco

ALB - SFO

ALBSFO

Albany Intl

Tue 3/4

2:43 pm-10:59 pm

2 stops11h 16m

San Francisco

Mon 3/10

12:15 am-12:01 pm

1 stop8h 46m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 53 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.

Travel insights for flights from Massachusetts to San Francisco

Get recent, data-driven insights about flights from Massachusetts to San Francisco including ideal travel times, pricing trends, and more.

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 $405). 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 January 30, 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 January 30, 2025.

The most flights from USMA to SFO are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 January 30, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta 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.
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,686 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,450 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Qatar Airways
7.5
Good
3,715 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,153 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 83 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 Delta ($114), American Airlines ($119), and Alaska Airlines ($123).

  • 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: Korean Air (100%), EL AL (93%), ANA( 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 $944, our data indicates the cheapest price to be $98. The most popular route (Boston Logan Intl - San Francisco), is priced around $168.

  • 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 $405). 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
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Elk Grove
Vallejo
Newark
Alameda
Campbell
Pacific Grove

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.
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Top 8 airlines flying from Massachusetts to San Francisco

Discover the top 8 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$147FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$376FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$137Average$397FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$365FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$162Average$341FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$173Average$359FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$401FlexibilityNo cancel feeOn-time63%
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