Question 1

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

Accepted Answer

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Question 2

How popular is this Boston to San Francisco flight route?

Accepted Answer

Flights from Boston Logan Intl to San Francisco have been viewed 99 times in the past calendar month.

Question 3

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

Accepted Answer

On average 40 flights depart from Boston to San Francisco per day.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 48% of flight departures
Afternoon (Noon - 6pm) - 13% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

Question 4

How long is the flight from Boston to San Francisco?

Accepted Answer

For as low as $204, United Airlines can have you in San Francisco from Boston in 6h 30m. The distance between Boston and San Francisco is about 2712 mi. This flight may include one or multiple stops.

Question 5

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

Accepted Answer

According to our current data, United Airlines ($204), American Airlines ($215), and JetBlue ($222) offers the cheapest pricing from Boston to San Francisco. United Airlines is currently priced 44% below the average price you’ll pay for this route.

Question 6

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 $100 on Delta. Other airlines that offer cheap prices include American Airlines from $108 and JetBlue from $109 one-way.

Question 7

How recently were the Boston to San Francisco flight deals updated?

Accepted Answer

The Boston to San Francisco flight deals you see on this page were last updated on 5/29.

Question 8

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 73 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 9

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

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Boston to San Francisco (average of $268). Flying from Boston to San Francisco in June is currently the most expensive (average of $385). 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 10

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 Wednesday 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 11

What are the cheapest flights from Boston to San Francisco?

Accepted Answer

On average you can expect to pay $1,104 for a flight from Boston to San Francisco. The cheapest flight overall is $122 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $222.

Question 12

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: ANA (100%), Air China (96%), WestJet (88%).

Question 13

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: Undisclosed Carrier, American Airlines or Alaska Airlines.

Question 14

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

Accepted Answer

Yes, there are multiple flights from Boston to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $171, but on average you can expect to pay $219.

Question 15

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

Accepted Answer

Cheapflights has at least 20 direct flights from Boston to San Francisco under $300. A good price for a nonstop flight from Boston to San Francisco is less than $262.

Question 16

Are there last-minute flights available from Boston to San Francisco for under $400?

Accepted Answer

There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than $400.

Question 17

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 18

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 19

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

Accepted Answer

Charlotte travelers tend to visit Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame more than anywhere else. Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame can be accessed by traveling approximately 8.2 mi, 5.8 mi, and 5.7 mi, respectively from Charlotte Douglas. Those landing in Charlotte looking to spend some time exploring during their layover can rent a car for about $54 per day.

Question 20

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 21

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

Accepted Answer

To save up to 67% 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 $418 1-2 weeks out and tickets from $548 for flights departing within the next 72 hours.

Question 22

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

Accepted Answer

The best pricing can be found in the month of February. Prices to San Francisco from Boston average $369. You can even find prices in February for less than $369, as users have found deals to San Francisco from as low as $108. 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 20%.

Question 23

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 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 24

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 25m for a nonstop flight. There are 44 flights from Logan Intl to San Francisco per day from 9 airlines.

Question 25

Accepted Answer

If you’re traveling from Boston to San Francisco, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $374.95 RT. This price is typically 54% more expensive than other airlines that offer Boston to San Francisco flights. When booking this route, the cheapest RT price found was $112. The most popular departure airport in Boston when flying to San Francisco is Boston Logan Intl Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from Boston to San Francisco, United Airlines flights are 8% more popular than any other airline flying that same route.

Question 26

Accepted Answer

If you’re traveling from Boston to San Francisco, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $342.25 RT. This price is typically 63% more expensive than other airlines that offer Boston to San Francisco flights. When booking this route, the cheapest RT price found was $118. The most popular departure airport in Boston when flying to San Francisco is Boston Logan Intl Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from Boston to San Francisco, American Airlines flights are 8% more popular than any other airline flying that same route.

Question 27

What does BOS to SFO mean?

Accepted Answer

Great question - BOS to SFO just means Boston Logan Intl Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

Question 28

Can I find deals for flights from Boston to San Francisco that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Boston to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 29

Can I find deals on flights from Boston to San Francisco with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Boston to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 30

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 31

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 32

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.

Question 33

Can I find deals for flights from Boston to San Francisco that allow pets onboard?

Accepted Answer

Many airlines flying from Boston to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 34

Can I find deals on last-minute flights from Boston to San Francisco?

Accepted Answer

Yes, you can often find last-minute deals on Boston to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 35

How does Cheapflights help users find flights from Boston to San Francisco?

Accepted Answer

Cheapflights makes it easy to find Boston to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 36

Why should you use Cheapflights to find cheap flight tickets from Boston to San Francisco?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to San Francisco for you. Better yet — we are completely free to use.

Question 37

Can Cheapflights find flights from Boston to San Francisco with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to San Francisco, users can toggle the no change fees filter when performing a flight search.

Question 38

Can Cheapflights notify me if prices for flights from Boston to San Francisco become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Popular in	June
Cheapest in	February
Round-trip from	$268
One-way from	$168

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$89	Average$200	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
Alaska Airlines	Cheapest$112	Average$375	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Delta	Cheapest$118	Average$342	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	Cheapest$122	Average$366	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
JetBlue	Cheapest$129	Average$363	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Sun Country Air	Cheapest$174	Average$334	FlexibilityNo cancel fee	On-time83%	Search Sun Country Air flights
United Airlines	Cheapest$178	Average$413	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

6%of flight departures	Early morningMidnight to 6 am
43%of flight departures	Morning6 am to noon
44%of flight departures	AfternoonNoon to 6 pm
7%of flight departures	Evening6 pm to midnight

Sunday	48daily flights
Monday	51daily flights
Tuesday	45daily flights
Wednesday	40daily flights
Thursday	45daily flights
Friday	50daily flights
Saturday	33daily flights

Cheap flights from Boston to San Francisco (BOS - SFO) from $100

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Boston Logan Intl to San Francisco are usually found in February or September, booked 73 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to San Francisco

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

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

Cheap United Airlines flights from Boston to San Francisco

Take a peek at the cheapest United Airlines flights we've detected traveling from Boston to San Francisco. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap American Airlines flights from Boston to San Francisco

Some of the best deals we've found on American Airlines flights traveling from Boston to San Francisco. Check back soon if you're not seeing flights that suit your needs.

Cheap Boston to San Francisco flights in May & June 2024

Find cheap flight options from Boston to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.

These are some of the best deals we've found on flights to San Francisco in 2024 at this time. Check back in a little while for more flight options.

Boston to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Boston and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.

These are some of the best deals we've found on flights to San Francisco in 2024 at this time. Check back in a little while for more flight options.

Non-stop flights to San Francisco from Boston

If you're seeking options on non-stop flights from Boston to San Francisco, check out these fares. Users seeking other options on flights from Boston to San Francisco should update the search form at the top of the page.

Boston to San Francisco flights leaving soon

Have a look at some of the last-minute flights available departing from Boston to San Francisco. Users should examine the flight details to ensure there are no surprises.

One-way flights to San Francisco from Boston

Users in need of a one-way flight from Boston to San Francisco can choose from these deals. Those seeking round-trip flights from Boston to San Francisco should utilize the search form at the the top of the page.

Find flights from Boston to San Francisco within your budget

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 May 24, 2024.

To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 73 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.

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 May 26, 2024.

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.

Temperature and rainfall in San Francisco by month

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

Reviews of airlines servicing San Francisco

To help decide which airline to fly from Boston to San Francisco, see what other customers have to say about United Airlines, American Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

Are there last-minute flights available from Boston to San Francisco for under $400?

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

How popular is this Boston to San Francisco flight route?

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

How long is the flight from Boston to San Francisco?

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

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

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

What are the cheapest flights from Boston to San Francisco?

What does BOS to SFO mean?

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

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

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

Can I find deals for flights from Boston to San Francisco that include extra baggage allowance?

Can I find deals on flights from Boston to San Francisco with specific airlines?

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

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

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

Can I find deals for flights from Boston to San Francisco that allow pets onboard?

Can I find deals on last-minute flights from Boston to San Francisco?

How recently were the Boston to San Francisco flight deals updated?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Boston to San Francisco on these airlinesChoose from the following airlines for your flight from Boston to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on mayo 30, 2024.

Choose from the following airlines for your flight from Boston to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on mayo 30, 2024.

Top 7 airlines flying from Boston to San Francisco

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from Boston to San Francisco by cabin class

Find flights from Boston to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Boston to San Francisco

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 mayo 30, 2024.

Weekly flight availability from Boston to San Francisco

Fly from Boston to San Francisco on these airlines
Choose from the following airlines for your flight from Boston to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on mayo 30, 2024.