$67 Find Cheap Flights from Massachusetts to San Francisco Bay Area

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1 adult, Economy

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Useful Info

Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$67
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Boston to San Jose

Flights from Massachusetts to San Francisco Bay Area: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Massachusetts to San Francisco Bay Area 
Learn how KAYAK collects reviews and tips from users.
GeraldFlew with DeltaBOS-SFOMar 2025
Book a flight early in the morning. The plane & crew will have arrived the previous night
PaulaFlew with Alaska AirlinesBOS-SFOJul 2024
Get your boarding pass online and save it to your wallet App on the iPhone. Makes it so easy

FAQs for booking flights from Massachusetts to San Francisco Bay Area

  • How does KAYAK find such low prices on flights from Massachusetts to San Francisco Bay Area?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to San Francisco Bay Area.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Francisco Bay Area?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Massachusetts to San Francisco Bay Area is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Massachusetts to San Francisco Bay Area?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Massachusetts to San Francisco Bay Area with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to San Francisco Bay Area?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Massachusetts to San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in San Francisco Bay Area?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in San Francisco Bay Area is San Francisco Airport (SFO), with an average flight price of $291.

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

    Based on KAYAK data, the cheapest day to fly to San Francisco Bay Area is Wednesday where round-trip tickets can be as cheap as $370. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $533 on average.

  • What is the cheapest time of day to fly to San Francisco Bay Area?

    The cheapest time of day to fly to San Francisco Bay Area is generally at night, when round-trip flights cost $321 on average. Morning departures are around 11% cheaper than evening flights, on average. The most expensive time of day to fly to San Francisco Bay Area is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $550.

  • What is the cheapest flight to San Francisco Bay Area?

    The cheapest ticket to San Francisco Bay Area from Massachusetts found in the last 72 hours was to San Francisco, at $189 round-trip. The most popular route is Boston (BOS) to San Francisco (SFO) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $189.

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

    The cheapest month for flights from Massachusetts to San Francisco Bay Area is January, when tickets cost $290 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $470 and $410 respectively.

  • How far in advance should I book a flight from Massachusetts to San Francisco Bay Area?

    To get a below average price on the flight from Massachusetts to San Francisco Bay Area, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

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

    An average nonstop flight from Massachusetts to San Francisco Bay Area takes 13h 13m, covering a distance of 2659 miles. The shortest route is Boston (BOS) to San Francisco (SFO) with an average flight time of 6h 28m.

  • What are the most popular destinations in San Francisco Bay Area?

    Based on KAYAK flight searches, the most popular destination is San Francisco (87% of total searches to San Francisco Bay Area). The next most popular destinations are San Jose (8%) and Oakland (4%). Searches for flights to Santa Rosa (1%) are also popular.

Book cheap flights from Massachusetts to San Francisco Bay Area

Recent round-trip flight deals

8/23Sat
1 stopSouthwest
10h 15mBOS-SJC
8/30Sat
1 stopSouthwest
8h 10mSJC-BOS
$142
8/30Sat
1 stopSouthwest
7h 40mALB-SFO
9/6Sat
2 stopsSouthwest
10h 40mSFO-ALB
$147
8/27Wed
1 stopAmerican Airlines
8h 32mBDL-SFO
9/2Tue
1 stopAmerican Airlines
8h 22mSFO-BDL
$159
9/3Wed
1 stopAmerican Airlines
11h 36mBOS-SJC
9/6Sat
1 stopAmerican Airlines
8h 08mSJC-BOS
$159
8/13Wed
1 stopAlaska Airlines
18h 58mBOS-SJC
8/18Mon
1 stopAlaska Airlines
8h 43mSJC-BOS
$201
9/25Thu
1 stopAlaska Airlines
8h 30mBOS-SJC
9/29Mon
1 stopAlaska Airlines
13h 45mSJC-BOS
$229
8/30Sat
nonstopHawaiian Airlines
6h 29mBOS-SFO
9/6Sat
nonstopHawaiian Airlines
5h 50mSFO-BOS
$231
10/14Tue
nonstopHawaiian Airlines
6h 40mBOS-SFO
10/18Sat
nonstopHawaiian Airlines
5h 49mSFO-BOS
$233
8/30Sat
nonstopDelta
6h 53mBOS-SFO
9/6Sat
nonstopDelta
5h 50mSFO-BOS
$238
8/12Tue
1 stopDelta
8h 10mBDL-SJC
8/17Sun
1 stopDelta
7h 14mSJC-BDL
$277

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Recent one-way flight deals

8/30Sat
1 stopSouthwest
10h 15mBOS-SJC
$67
10/7Tue
1 stopSouthwest
10h 30mBDL-SFO
$76
8/12Tue
1 stopAmerican Airlines
8h 28mBDL-SFO
$80
8/19Tue
1 stopAmerican Airlines
9h 24mBOS-SJC
$80
10/27Mon
2 stopsSpirit Airlines
15h 05mBOS-OAK
$93
9/7Sun
2 stopsSpirit Airlines
20h 20mBOS-OAK
$94
9/8Mon
1 stopFrontier
13h 28mBOS-SFO
$104
9/14Sun
1 stopFrontier
13h 28mBOS-SFO
$114
10/25Sat
nonstopHawaiian Airlines
6h 40mBOS-SFO
$118
8/13Wed
nonstopHawaiian Airlines
6h 40mBOS-SFO
$120

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Last minute flights from Massachusetts to San Francisco Bay Area

Last minute flight, train and bus deals

7/15Tue
multi-stopDelta
8h 19mBDL-SFO
7/20Sun
multi-stopDelta
6h 38mSFO-BDL
$297
7/14Mon
multi-stopDelta
10h 40mBOS-SJC
7/31Thu
multi-stopDelta
10h 22mSJC-BOS
$300
7/16Wed
multi-stopAlaska Airlines
8h 57mBOS-SJC
7/29Tue
multi-stopAlaska Airlines
8h 43mSJC-BOS
$322
7/12Sat
multi-stopFrontier
16h 42mBDL-SFO
7/19Sat
multi-stopFrontier
19h 50mSFO-BDL
$325
7/12Sat
multi-stopSouthwest
8h 00mBOS-SJC
7/16Wed
multi-stopSouthwest
11h 45mSJC-BOS
$328
7/14Mon
multi-stopFrontier
16h 42mBDL-SFO
7/19Sat
multi-stopFrontier
19h 50mSFO-BDL
$331
7/16Wed
multi-stopAlaska Airlines
8h 57mBOS-SJC
7/27Sun
multi-stopAlaska Airlines
8h 43mSJC-BOS
$343
7/16Wed
multi-stopSouthwest
8h 30mBDL-SFO
7/19Sat
multi-stopSouthwest
8h 00mSFO-BDL
$348
7/13Sun
multi-stopUnited Airlines
8h 20mBDL-SFO
7/17Thu
multi-stopUnited Airlines
7h 47mSFO-BDL
$390
7/15Tue
multi-stopUnited Airlines
14h 11mBOS-SJC
7/26Sat
multi-stopUnited Airlines
8h 37mSJC-BOS
$428

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Everything you need to know for your flight to San Francisco Bay Area

Cabin class types available on flights to Massachusetts

Cabin classes available on flights to Massachusetts. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to San Francisco Bay Areafrom $236
Business Class flights to San Francisco Bay Areafrom $185
Prem Econ Class flights to San Francisco Bay Areafrom $182
Economy Class flights to San Francisco Bay Areafrom $39

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