Question 1

How popular is this Boston to San Francisco flight route?

Accepted Answer

Flights from Boston Logan Intl to San Francisco have been viewed 88 times in the past calendar month.

Question 2

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

Accepted Answer

According to our current data, Frontier ($202), Delta ($212), and American Airlines ($216) offers the cheapest pricing from Boston to San Francisco. Frontier is currently priced 43% below the average price you’ll pay for this route.

Question 3

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

Accepted Answer

One-way options have recently been found by users for as low as $119 on Southwest. Other airlines that offer cheap prices include JetBlue from $120 and American Airlines from $124 one-way.

Question 4

How far ahead should I book a flight from Boston to San Francisco?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 5

What is the cheapest month to book a flight from Boston to San Francisco?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of $276). Flying from Boston to San Francisco in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

What is the cheapest day to fly from Boston to San Francisco?

Accepted Answer

Travelers seeking maximum savings on their Boston to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Boston to San Francisco

Accepted Answer

The most flights from BOS to SFO are scheduled on a Thursday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Question 10

What are the cheapest flights from Boston to San Francisco?

Accepted Answer

On average you can expect to pay $1,027 for a flight from Boston to San Francisco. The cheapest flight overall is $118 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $183.

Question 11

What are the most reliable airlines from Boston to San Francisco?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Francisco on time: Air China (92%), EL AL (90%), ANA (90%).

Question 12

What are the most popular airlines that fly from Boston to San Francisco?

Accepted Answer

Before booking your flight from Boston to San Francisco check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

Question 13

Where are the most common layover locations when flying from Boston to San Francisco?

Accepted Answer

Most of the time, Boston to San Francisco flights that have layovers will stop in Charlotte.

Question 14

Where are the least popular layover locations for Boston to San Francisco flights?

Accepted Answer

Boston to San Francisco flights have a layover in New York least often.

Question 15

What are some popular things to do or see while on a layover in Charlotte?

Accepted Answer

Charlotte travelers tend to visit Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center more than anywhere else. Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center can be accessed by traveling approximately 8.2 mi, 5.4 mi, and 5.8 mi, respectively from Charlotte Douglas. Those landing in Charlotte looking to spend some time exploring during their layover can rent a car for about $49 per day.

Question 16

What is the cheapest day to fly round-trip from Boston to San Francisco?

Accepted Answer

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

Question 17

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

Accepted Answer

To save up to 68% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to San Francisco from $396 1-2 weeks out and tickets from $500 for flights departing within the next 72 hours.

Question 18

What is the cheapest month to fly from Boston to San Francisco?

Accepted Answer

The best pricing can be found in the month of September. Prices to San Francisco from Boston average $360. You can even find prices in September for less than $360, as users have found deals to San Francisco from as low as $126. The month of June appears to be one of the more expensive times to travel to San Francisco from Boston. Flying in the targeted month can save you up to 23%.

Question 19

What is the cheapest time of day to fly from BOS to SFO?

Accepted Answer

It’s typically best to fly out from Boston to San Francisco in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 20

E

Accepted Answer

Most accurate provider: When it comes to deals on Boston-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San Francisco flight searches over the past month and is updated monthly.

Question 21

E

Accepted Answer

Most trusted provider: When it comes to deals on Boston-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 22

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

Accepted Answer

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 28m for a nonstop flight. There are 29 flights from Logan Intl to San Francisco per day from 9 airlines.

Question 23

Can I find deals for flights from Boston to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Boston to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 24

How can I find direct flights from Boston to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Francisco.

Question 25

Can I find deals for business class flights from Boston to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from Boston to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	September
Round-trip from	$192 (Kiwi.com)
One-way from	$119 (Southwest)

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy1 star	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*1 star
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars

$119+ Cheap flights from Boston to San Francisco (BOS - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to San Francisco with Cheapflights

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

Cheap flight deals from Boston to San Francisco

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Find flight deals from Boston to San Francisco

Cheapest flights from Boston to San FranciscoExplore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 5, 2024.

Explore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 5, 2024.

Find flights from Boston to San Francisco within your budget

Compare providers for flights from Boston to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to San Francisco in December.

Best time to book a flight from Boston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.

Travel insights for flights from Boston to San Francisco

Get recent, data-driven insights about flights from Boston to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Francisco. Price data was last updated on November 22, 2024.

What is the cheapest month to book a flight from Boston to San Francisco?

What is the cheapest time of day to fly from BOS to SFO?

Find hourly flight availability from Boston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 5, 2024.

What is the cheapest day to fly from Boston to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Francisco. Price data was last updated on December 1, 2024.

Weekly flight availability from Boston to San Francisco

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Cheapest flights from Boston to San Francisco
Explore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 5, 2024.