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

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The best prices from Boston to San Francisco are usually found in February or March, booked 56 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

BOS
Boston
SFO
San Francisco
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Cheap flights from Boston to San Francisco
+30.0%
+20.0%
+10.0%
Base
Price
$284 - $360
Temperature
58 - 77 °F
Rainfall
0 - 5 inches
Most popular in December High demand for flights, 3% potential price rise
Cheapest in February Best time to find cheap flights, 1% potential price drop
Average price $351 Price for this month
Cheapest price $284 From Boston to San Francisco

Cheap flights from Boston to San Francisco in June 2019

The best prices found for BOS to SFO flights for June
29 Jun - 9 Jul
$350pp
BOS
Boston Logan Intl
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
 
1 STOP
BOS
Boston Logan Intl
30 Jun - 15 Jul
$401pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SFO
San Francisco
SFO
San Francisco
JetBlue
 
1 STOP
BOS
Boston Logan Intl
27 Jun - 9 Jul
$414pp
BOS
Boston Logan Intl
Delta
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Delta
 
1 STOP
BOS
Boston Logan Intl

Boston to San Francisco 2019 flight deals

Cheap flights to San Francisco from Boston found for this year
4 Sep - 7 Sep
$250pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston Logan Intl
21 Sep - 24 Sep
$250pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston Logan Intl
28 Aug - 3 Sep
$250pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 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
19 Jun - 9 Jul
$425pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
American Airlines
 
1 STOP
BOS
Boston Logan Intl
14 Jun - 18 Jun
$477pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 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 08m

Airports servicing Boston

Boston (BOS)

Airports servicing San Francisco

San Francisco (SFO)
Average temperature for June in San Francisco
22.9 °C
Avg rainfall for June in San Francisco
1.4 mm
Over the next ten days, the expected rainfall is likely to be 3.04 inches less in San Francisco than in Boston .
Over the next ten days, San Francisco (73.2°F) is expected to be 5.6°F cooler than Boston (78.8°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, Japan Airlines, Icelandair.
1582 users have been comparing flight prices between Boston and San Francisco this week.

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
How many passenger seats are available on a flight on this route?
Popular United Air Lines Inc. operates 140 flight per week
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