Cheap flights from Logan Intl to San Francisco (BOS - SFO)

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The best prices from Logan Intl to San Francisco are usually found in January or February, booked 34 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

How to find the cheapest flight from
Logan Intl (BOS) to San Francisco (SFO)

All the information you need to plan the best BOS to SFO flight in 2021: compare Logan Intl to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
BOS - SFO
Price
$267 - $403
SFO
Temperature
59 - 77 °F
SFO
Rainfall
0 - 4.7 inches

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

January

Best time to find cheap flights, 12% potential price drop

Round-trip from

$267

From Logan Intl to San Francisco

One-way from

$135

One-way flight from Logan Intl to San Francisco

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Logan Intl to San Francisco?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 36% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Logan Intl to San Francisco?

Find a great deal and save up to 7% by booking at least 35 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Logan Intl to San Francisco within the next two weeks, with the cheapest ticket starting at $99.

What is the cheapest month to fly from Logan Intl to San Francisco?

Flights from Logan Intl to San Francisco lean towards being more expensive in June. Prices are generally better when you fly from Logan Intl to San Francisco in August, with the cheapest ticket starting at $48.

When is the cheapest time to fly from Logan Intl to San Francisco (BOS - SFO)?

A simple way to save on the total cost of your ticket is to fly from Logan Intl to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the afternoon.

Cheap flights from Logan Intl to San Francisco in May, June 2021

The best prices found for BOS to SFO flights for May, June
4 Jun - 7 Jun
$271pp
BOS
Boston Logan Intl
Major Airline
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Major Airline
   
2 STOPS
BOS
Boston Logan Intl
24 May - 8 Jun
$287pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
4 Jun - 15 Jun
$305pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Logan Intl to San Francisco 2021 flight deals

Cheap flights to San Francisco from Logan Intl found for this year
17 Aug - 25 Aug
$236pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
17 Aug - 25 Aug
$241pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
17 Aug - 25 Aug
$247pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl

Non-stop flights to San Francisco from Logan Intl

Save time with Logan Intl to San Francisco direct flight deals
18 Oct - 25 Oct
$263pp
BOS
Boston Logan Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
BOS
Boston Logan Intl
16 Sep - 21 Sep
$277pp
BOS
Boston Logan Intl
Delta
Non-Stop
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
BOS
Boston Logan Intl
6 Oct - 11 Oct
$280pp
BOS
Boston Logan Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Logan Intl to San Francisco

Late deals on round-trip flights to San Francisco from Logan Intl, departing today and this week
24 May - 8 Jun
$287pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
25 May - 7 Jun
$312pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
BOS
Boston Logan Intl
24 May - 6 Jun
$317pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
BOS
Boston Logan Intl

One-way flights to San Francisco from Logan Intl

The cheapest one-way flights from Logan Intl to San Francisco
8:38 am - 3:29 pm
Major Airline
1 Stop
9h 51m
BOS - SFO
Major Airline
$135
StudentUniverse
12:55 pm - 4:50 pm
Alaska Airlines
Nonstop
6h 55m
BOS - SFO
Alaska Airlines
$153
mytrip.com
1:29 pm - 7:48 pm
Delta
1 Stop
9h 19m
BOS - SFO
Delta
$158
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Logan Intl</span> to <span class="emphasized">San Francisco</span> flights.

Flight FAQs

From Logan Intl to San Francisco

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.

What safety measures are being taken by airlines flying from Boston Logan Intl to San Francisco to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from Boston Logan Intl to San Francisco include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Boston Logan Intl to San Francisco have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, JetBlue, and Delta flying from Boston Logan Intl to San Francisco have implemented new flexible cancellation policies.

What airports do I use to fly from Boston to San Francisco?

If you book a flight from Boston to San Francisco, you will be flying from Logan Intl to San Francisco. Flights to San Francisco (SFO) from Boston Logan Intl (BOS) take 6h 16m for a nonstop flight. There are 14 flights from Logan Intl to San Francisco per day from 9 airlines.

Can I find flights from Logan Intl to San Francisco for under $300 on Cheapflights?

Yes, there are multiple flights from Logan Intl to San Francisco for under $300. The cheapest flight booked recently is on Multiple Airlines for just $251, but on average you can expect to pay $266.

Are there nonstop flights from Logan Intl to San Francisco for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Logan Intl to San Francisco under $300. A good price for a nonstop flight from Logan Intl to San Francisco is less than $299.

Are there last-minute flights available from Logan Intl to San Francisco for under $300?

There are currently 20+ open flights from Logan Intl to San Francisco within the next 7 days for less than $300.

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

Nonstop flights can be found on the following days: Monday.

How popular is this flight route?

Flights from Boston Logan Intl to San Francisco have been viewed 318 times in the past calendar month.

How many flights depart from Logan Intl to San Francisco on average per day?

On average, you can expect to see 1 flight from Boston Logan Intl to San Francisco a day.
Morning (6am - Noon) - 100% 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.

How long is the flight from Logan Intl to San Francisco?

There are many flights that can get you from Logan Intl to San Francisco in 6h 16m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. The distance from Logan Intl to San Francisco is about 2712 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Logan Intl to San Francisco round-trip?

Cheapflights users have booked flights from Logan Intl to San Francisco round-trip from $263. Other airlines that can offer you cheap pricing are Delta, from $277, and United Airlines, from $290. Major Airline is currently priced 13% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Logan Intl to San Francisco one-way?

$134 is the cheapest one-way deal found within the past few days, from Major Airline. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $139 and $146, respectively.

Alternative routes for Logan Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Logan Intl to San Francisco.
Flight duration
6h 25m
Average temperature for May in San Francisco
69.8 °F
Avg rainfall for May in San Francisco
0.6 ″

Airports servicing Boston

Airports servicing San Francisco

Top 8 airlines flying from Logan Intl to San Francisco

The chart below displays the airlines Cheapflights users traveling from Logan Intl to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$107 $230 No cancel fee 65%
Frontier
$114 $270 No cancel fee 62%
Alaska Airlines
$108 $286 No cancel fee 75%
American Airlines
$126 $288 No cancel fee 71%
Delta
$118 $291 No cancel fee N/A
Sun Country Air
$118 $302 No cancel fee 83%
United Airlines
$118 $353 No cancel fee 69%
JetBlue
$128 $373 No cancel fee 62%

Hourly flight availability from Logan Intl to San Francisco

See what time of day planes typically take off from Logan Intl towards San Francisco.
Afternoon Noon to 6 PM 45% of BOS to SFO departures
Morning 6 AM to noon 43% of BOS to SFO departures
Early morning Midnight to 6 AM 12% of BOS to SFO departures
Evening 6 PM to midnight 0% of BOS to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Logan Intl to San Francisco
See how many times per day planes take to the skies headed from Logan Intl to San Francisco.
Sunday
14 daily flights
Monday
17 daily flights
Tuesday
9 daily flights
Wednesday
13 daily flights
Thursday
18 daily flights
Friday
21 daily flights
Saturday
8 daily flights
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