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

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. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

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 to San Francisco with an airline and back to Massachusetts with another airline. Visit our flight page for the latest deals!>/a>

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

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 to San Francisco from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$86 CHEAP FLIGHTS from Massachusetts to San Francisco

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Flight Deals

Cheap Flights from Massachusetts to San Francisco

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Massachusetts to San Francisco

Sat, Nov 8 - Sat, Nov 15

11:43 am - 9:11 pmBOS-SFO

12h 28m1 stop

10:23 pm - 9:00 amSFO-BOS

31h 37m1 stop

$222Frontier

Find Deal

Sun, Nov 9 - Sat, Nov 15

10:04 am - 9:11 pmBOS-SFO

14h 07m1 stop

10:23 pm - 9:00 amSFO-BOS

31h 37m1 stop

$227Frontier

Find Deal

Sat, Oct 25 - Wed, Oct 29

5:20 am - 10:50 amBOS-SFO

8h 30m1 stop

9:00 am - 10:15 pmSFO-BOS

10h 15m1 stop

$234Southwest

Find Deal

Thu, Dec 11 - Fri, Dec 12

7:45 am - 1:20 pmBOS-SFO

8h 35m1 stop

12:50 pm - 11:40 pmSFO-BOS

7h 50m1 stop

$236Southwest

Find Deal

Fri, Oct 17 - Sat, Oct 25

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

7:11 am - 4:00 pmSFO-BOS

5h 49mnonstop

$253Alaska Airlines

Find Deal

Thu, Oct 16 - Wed, Oct 22

8:15 pm - 12:15 amBOS-SFO

7h 00mnonstop

2:00 pm - 10:52 pmSFO-BOS

5h 52mnonstop

$264JetBlue

Find Deal

Fri, Oct 17 - Mon, Oct 20

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

7:11 am - 4:00 pmSFO-BOS

5h 49mnonstop

$265Hawaiian Airlines

Find Deal

Fri, Oct 17 - Sat, Oct 25

8:15 pm - 12:15 amBOS-SFO

7h 00mnonstop

10:11 pm - 6:50 amSFO-BOS

5h 39mnonstop

$266JetBlue

Find Deal

Wed, Oct 22 - Tue, Oct 28

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

11:40 am - 12:20 amSFO-BOS

9h 40m1 stop

$273Alaska Airlines

Find Deal

Thu, Oct 16 - Wed, Oct 22

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

7:11 am - 4:00 pmSFO-BOS

5h 49mnonstop

$275Hawaiian Airlines

Find Deal

Cheapest round-trip

$222

Typical prices: $256-520

Frontier

Sat 11/8Sat 11/15

BOS - SFO • 1 stop

Cheapest non-stop

$253

Typical prices: $260-494

Alaska Airlines

Fri 10/17Sat 10/25

BOS - SFO • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Francisco!

Useful Info

Low season	January
High season	December
Cheapest flight	$86

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Albany to San Francisco

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

How does KAYAK find such low prices on flights from Massachusetts to San Francisco?
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.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Francisco?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Massachusetts 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?
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 to San Francisco with an airline and back to Massachusetts 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?
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 to San Francisco from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Calistoga

Marina

Pacifica

Capitola

Emeryville

Rohnert Park

Millbrae

Campbell

Mill Valley

Newark

Novato

Windsor

Belmont

Los Altos

West Sacramento

Union City

Richmond

Jenner

Corte Madera

American Canyon

Everything you need to know for your flight to San Francisco

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Francisco

San Francisco (SFO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SFO

$86 Find Cheap Flights from Massachusetts to San Francisco

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Cheap Flights from Massachusetts to San Francisco

Recent round-trip flight deals from Massachusetts to San Francisco

Recent one-way flight deals from Massachusetts to San Francisco

Recent last minute flight deals from Massachusetts to San Francisco

Recent direct flight deals from Massachusetts to San Francisco

Everything you should know

Good to know

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

FAQs for booking flights from Massachusetts to San Francisco

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

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.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Massachusetts 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?

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 to San Francisco with an airline and back to Massachusetts 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?

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 to San Francisco from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Francisco?

Everything you need to know for your flight to San Francisco

Information on the airport you'll fly into in San Francisco

Cabin class types available on flights to Massachusetts

Complete your trip to San Francisco with a hotel stay or car rental

Find direct flights for San Francisco

Flights to other popular destinations

Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight