SFO

$141 Find Cheap Flights from Massachusetts to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Francisco departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.

Recent round-trip flight deals from Massachusetts to San Francisco

Tue, May 5 - Tue, May 12
Multiple Airlines Logo
6:00 am - 7:34 pm
BOS
-
SFO
16h 34m
1 stop
Multiple Airlines Logo
8:45 am - 5:44 am
SFO
-
BOS
17h 59m
1 stop
$281Multiple Airlines
Wed, Jul 1 - Mon, Jul 6
Multiple Airlines Logo
6:00 am - 7:26 pm
BOS
-
SFO
16h 26m
1 stop
Multiple Airlines Logo
11:48 pm - 8:28 am
SFO
-
BOS
5h 40mnonstop
$283Multiple Airlines
Fri, May 29 - Tue, Jun 2
Multiple Airlines Logo
12:01 pm - 7:34 pm
BOS
-
SFO
10h 33m
1 stop
Multiple Airlines Logo
6:00 am - 2:41 pm
SFO
-
BOS
5h 41mnonstop
$284Multiple Airlines
Tue, Aug 11 - Mon, Aug 17
Southwest Logo
5:35 am - 10:35 am
BOS
-
SFO
8h 00m
1 stop
Southwest Logo
11:40 pm - 12:15 pm
SFO
-
BOS
9h 35m
1 stop
$288Southwest
Tue, May 12 - Tue, May 19
Alaska Airlines Logo
5:56 pm - 6:01 pm
BOS
-
SFO
27h 05m
1 stop
Alaska Airlines Logo
4:44 pm - 5:44 am
SFO
-
BOS
10h 00m
1 stop
$290Alaska Airlines
Wed, Aug 12 - Wed, Aug 19
Southwest Logo
5:55 pm - 11:05 pm
BDL
-
SFO
8h 10m
1 stop
Southwest Logo
7:40 am - 9:10 pm
SFO
-
BDL
10h 30m
2 stops
$304Southwest
Fri, May 29 - Sun, May 31
Delta Logo
5:15 pm - 10:48 pm
BDL
-
SFO
8h 33m
1 stop
Delta Logo
12:15 am - 10:46 am
SFO
-
BDL
7h 31m
1 stop
$306Delta
Wed, May 13 - Sun, May 17
United Airlines Logo
7:38 pm - 1:16 am
BDL
-
SFO
8h 38m
1 stop
United Airlines Logo
11:10 pm - 11:04 am
SFO
-
BDL
8h 54m
1 stop
$309United Airlines
Sun, May 24 - Wed, May 27
Delta Logo
5:30 am - 10:46 am
BDL
-
SFO
8h 16m
1 stop
Delta Logo
12:15 am - 10:46 am
SFO
-
BDL
7h 31m
1 stop
$322Delta
Wed, May 27 - Tue, Jun 2
United Airlines Logo
7:30 pm - 1:15 am
ALB
-
SFO
8h 45m
1 stop
United Airlines Logo
10:38 pm - 10:43 am
SFO
-
ALB
9h 05m
1 stop
$361United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$141
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Albany to San Francisco

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

Insights shared by verified travelers who flew the route from Massachusetts to San Francisco 
Learn how KAYAK collects reviews and tips from users.
GeraldFlew with Delta
BOS
-
SFO
Mar 2025
Book a flight early in the morning. The plane & crew will have arrived the previous night
PaulaFlew with Alaska Airlines
BOS
-
SFO
Jul 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

  • 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?

Book flights to San Francisco if you plan to visit one of these locations
Calistoga
Marina
Rohnert Park
Emeryville
Pacifica
Capitola
Millbrae
Campbell
Newark
Mill Valley
Novato
Windsor
Union City
Belmont
West Sacramento
Richmond
American Canyon
Corte Madera
Los Altos
Jenner

Everything you need to know for your flight to San Francisco

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

San Francisco (SFO)