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

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The best prices from Boston to San Francisco International are usually found in September or October, booked 53 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

BOS - SFO
Price
$277 - $403
Popular in December High demand for flights, 20% potential price rise
Cheapest in September Best time to find cheap flights, 14% potential price drop
Average price $318 Average for round-trip flights in April 2020
Round-trip from $277 From Boston to San Francisco International

Cheap flights from Boston to San Francisco International in April 2020

The best prices found for BOS to SFO flights for April
23 Apr - 7 May
$172pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
25 Apr - 29 May
$178pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
15 Apr - 14 May
$179pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Boston to San Francisco International 2020 flight deals

Cheap flights to San Francisco International from Boston found for this year
6 Jun - 13 Jun
$139pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
12 Jun - 14 Jun
$154pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
10 Jun - 12 Jun
$156pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Last minute flights from Boston to San Francisco International

Late deals on round-trip flights to San Francisco International from Boston, departing today and this week
15 Apr - 14 May
$179pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
14 Apr - 17 Apr
$195pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
9 Apr - 7 Jun
$197pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
Non-Stop
BOS
Boston Logan Intl

One-way flights to San Francisco International from Boston

The cheapest one-way flights from Boston to San Francisco International
2:16 pm - 5:49 pm
JetBlue
Nonstop
6h 33m
BOS - SFO
JetBlue
1:10 pm - 5:13 pm
JetBlue
Nonstop
7h 03m
BOS - SFO
JetBlue
1:10 pm - 5:13 pm
JetBlue
Nonstop
7h 03m
BOS - SFO
JetBlue

Alternative routes for Boston to San Francisco International

Destination information for San Francisco International

Things to know before you go. Useful info for your trip from Boston to San Francisco International
Flight duration
6h 16m

Airports servicing Boston

Airports servicing San Francisco

Weekly flight availability
from Boston to San Francisco International
Sunday
12 daily flights
Monday
14 daily flights
Tuesday
14 daily flights
Wednesday
15 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
8 daily flights

Related info for your journey

Useful info, stats and facts about Boston to San Francisco International flights.

Flight FAQs

From Boston to San Francisco International

Are flight prices decreasing from Boston to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from Boston to San Francisco International for under $300 on Cheapflights?

Cheapflights has 1 direct flight from Boston to San Francisco International under $300. A good price for a nonstop flight from Boston to San Francisco International is less than $217.

Are there last-minute flights available from Boston to San Francisco International for under $200?

There are currently just 3 open flights from Boston to San Francisco International within the next 7 days for less than $200.

What days are nonstop flights available from Boston to San Francisco?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Flights from Boston Logan Intl to San Francisco have been viewed 263 times in the past calendar month.

What percent of flights are delayed?

When booking remember that flights Boston to San Francisco are typically delayed by 73min. so prepare as needed.

What is the cheapest airline for this route?

United Air Lines Inc. offers the cheapest flights from Boston to San Francisco. Per day you can find on average 140 flights for this route and airline.

How long does the flight from Boston to San Francisco International take?

A nonstop flight takes up to 7 hours, covering a distance of 1,685 miles.

How many flights depart from Boston to San Francisco International on average per day?

On average, you can expect to see 19 flights from Boston Logan Intl to San Francisco a day.
Morning (6am - Noon) - 32% of flight departures
Afternoon (Noon - 6pm) - 26% of flight departures
Evening (6pm - Midnight) - 42% of flight departures

Does it rain more in Boston or San Francisco?

Expected rainfall in Boston is less than in San Francisco. You can expect this to be the case over the next 16 days.

Is Boston weather warmer or cooler than San Francisco?

Temperatures around the 84 °F's can be experienced in July. The weather in San Francisco is colder than in Boston. Plan for potential changes in flight availability as peak weather approaches in this location.