Menu

Cheap flights from Boston to San Francisco (BOS - SFO)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Boston to San Francisco are usually found in February or March, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

+60.0%
+40.0%
+20.0%
Base
Price
$284 - $422
Temperature
59 - 77 °F
Rainfall
0 - 5 inches
Most popular in July High demand for flights, 14% potential price rise
Cheapest in February Best time to find cheap flights, 3% potential price drop
Average price $377 Price for this month
Cheapest price $284 From Boston to San Francisco

Cheap flights from Boston to San Francisco in August 2019

The best prices found for BOS to SFO flights for August
29 Aug - 28 Sep
$244pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
BOS
Boston Logan Intl
31 Aug - 6 Sep
$251pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston Logan Intl
27 Aug - 4 Sep
$359pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
BOS
Boston Logan Intl

Boston to San Francisco 2019 flight deals

Cheap flights to San Francisco from Boston found for this year
4 Nov - 12 Nov
$217pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
BOS
Boston Logan Intl
27 Sep - 28 Sep
$217pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
BOS
Boston Logan Intl
19 Oct - 23 Oct
$224pp
BOS
Boston Logan Intl
Major Airline
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
BOS
Boston Logan Intl

Non-stop flights to San Francisco from Boston

Save time with Boston to San Francisco direct flight deals
27 Sep - 28 Sep
$217pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
BOS
Boston Logan Intl
4 Nov - 12 Nov
$217pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
BOS
Boston Logan Intl
8 Oct - 16 Oct
$237pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SFO
San Francisco
SFO
San Francisco
JetBlue
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to San Francisco

Late deals on round-trip flights to San Francisco from Boston, departing today and this week
29 Aug - 28 Sep
$244pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
BOS
Boston Logan Intl
27 Aug - 4 Sep
$359pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
BOS
Boston Logan Intl

Destination information for San Francisco

Things to know before you go. Useful info for your trip from Boston to San Francisco
Flight duration
6h 13m
Average temperature for August in San Francisco
23.0 °C
Avg rainfall for August in San Francisco
0.0 mm

Airports servicing Boston

Airports servicing San Francisco

Over the next ten days, the expected rainfall is likely to be 3 inches less in San Francisco than in Boston .
Over the next ten days, San Francisco (73°F) is expected to be 9°F cooler than Boston (82°F).
Direct flights are usually available on every day of the week
Which airlines fly from Boston to San Francisco?
Our recent data shows 21 airlines are currently operating direct flights from Boston to San Francisco , including Qatar Airways, JAL, Icelandair.
1698 users have been comparing flight prices between Boston and San Francisco this week.
How many flights depart from Boston to San Francisco on average per day?
On average, you can expect to see 90 flights from Boston Logan Intl to San Francisco a day.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 40% of flight departures
Afternoon (Noon - 6pm) - 21% of flight departures
Evening (6pm - Midnight) - 31% of flight departures
How long does the flight from Boston to San Francisco take?
A nonstop flight takes up to 7 hours, covering a distance of 1,678 miles.

Related info for your journey

Useful info, stats and facts about Boston to San Francisco flights.
Flight FAQs
From Boston to San Francisco
What percent of flights are delayed?
A delay of 1 hr 12.9 mins is common
How many passenger seats are available on a flight on this route?
On average, all flights from Boston offer a total of 1,627 seats to San Francisco per day
What is the cheapest airline for this route?
The cheapest airline for this route is United Air Lines Inc. on average. United Air Lines Inc. operates 140 flight per week
Related searches
Flights to San Francisco from Boston