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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)

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

$95

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 37% 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 33% on your trip compared to booking a flight in the afternoon.

Cheap flights from Logan Intl to San Francisco in January, February 2021

23 Feb - 1 Mar
$153pp
BOS
Boston Logan Intl
Frontier
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl
25 Feb - 28 Feb
$155pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl
23 Feb - 1 Mar
$156pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl

Logan Intl to San Francisco 2021 flight deals

23 Feb - 1 Mar
$153pp
BOS
Boston Logan Intl
Frontier
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl
15 Mar - 19 Mar
$154pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
25 Feb - 28 Feb
$155pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl

Non-stop flights to San Francisco from Logan Intl

15 Feb - 22 Feb
$221pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
BOS
Boston Logan Intl
15 Feb - 22 Feb
$223pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
BOS
Boston Logan Intl
18 Feb - 22 Feb
$232pp
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

3 Feb - 7 Feb
$180pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
4 Feb - 1 Mar
$197pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
BOS
Boston Logan Intl
5 Feb - 12 Feb
$198pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to San Francisco from Logan Intl

8:29 am - 5:56 am
Frontier
2 Stops
48h 27m
BOS - SFO
Frontier
$95
Kiwi.com
1:35 pm - 5:11 am
Multiple Airlines
1 Stop
18h 36m
BOS - SFO
Multiple Airlines
$98
Gotogate
4:40 am - 8:29 am
Alaska Airlines
Nonstop
6h 49m
BOS - SFO
Alaska Airlines
$99
mytrip.com

Related info for your journey

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 and Delta 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.

Can I find flights from Logan Intl to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Logan Intl to San Francisco for under $200. The cheapest flight booked recently is on Frontier for just $153, but on average you can expect to pay $162.

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 $257.

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

There are currently 20+ open flights from Logan Intl to San Francisco 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.

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.
Afternoon (Noon - 6pm) - 100% of flight departures

Does it rain more in Boston or San Francisco?

Expected rainfall in Boston is more 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 31h 26m. Fly via Frontier to get the fastest option. The distance from Logan Intl to San Francisco is about 2712 mi.

What is the cheapest airline to fly from Logan Intl to San Francisco round-trip?

Cheapflights users have booked flights from Logan Intl to San Francisco round-trip from $153. Frontier is currently priced 49% 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?

$69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines, with prices from $99.

Alternative routes for Logan Intl to San Francisco

Destination information for San Francisco

Average temperature for January in San Francisco
59.0 °F
Avg rainfall for January in San Francisco
2.2 ″

Airports servicing Boston

Airports servicing San Francisco

Top 8 airlines flying from Logan Intl to San Francisco

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

Morning 6 AM to noon 70% of BOS to SFO departures
Afternoon Noon to 6 PM 30% of BOS to SFO departures
Early morning Midnight to 6 AM 0% 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
Sunday
5 daily flights
Monday
7 daily flights
Tuesday
8 daily flights
Wednesday
4 daily flights
Thursday
4 daily flights
Friday
5 daily flights
Saturday
4 daily flights
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