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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 34 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

Cheap flights from Boston to San Francisco in May 2019

The best prices found for BOS to SFO flights for May
16 May - 28 Aug
$231pp
BOS
Boston
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
BOS
Boston
21 May - 4 Jun
$233pp
BOS
Boston
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
BOS
Boston
14 May - 19 May
$240pp
BOS
Boston
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
BOS
Boston

Boston to San Francisco 2019 flight deals

Cheap flights to San Francisco from Boston found for this year
14 Aug - 20 Aug
$230pp
BOS
Boston
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston
26 Oct - 1 Nov
$230pp
BOS
Boston
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston
1 Oct - 8 Oct
$230pp
BOS
Boston
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston

Last minute flights from Boston to San Francisco

Late deals on round-trip flights to San Francisco from Boston, departing today and this week
2 May - 5 May
$289pp
BOS
Boston
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
BOS
Boston
1 May - 7 May
$304pp
BOS
Boston
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
BOS
Boston

Destination information for San Francisco

Things to know before you go. Useful info for your trip from Boston to San Francisco
Flight duration
6h 09m

Airports servicing Boston

Boston (BOS)

Airports servicing San Francisco

San Francisco (SFO)
Average temperature for April in San Francisco
19.0 °C
Avg rainfall for April in San Francisco
29.0 mm
Over the next ten days, the expected rainfall is likely to be 2.55 inches less in San Francisco than in Boston .
Over the next ten days, San Francisco (66.2°F) is expected to be 7.9°F warmer than Boston (58.3°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.
1856 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
Related searches
Flights to San Francisco from Boston
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Flights to San Francisco