Question 1

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

Accepted Answer

Direct flights are available for this route on the following days: Sunday, Monday, Tuesday, 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 19 times in the past calendar month.

Question 3

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

Accepted Answer

27 flight departures from Boston to San Francisco per day on average.
Early Morning (Midnight to 6am) - 19% of flight departures
Morning (6am - Midday) - 22% of flight departures
Afternoon (Noon - 6pm) - 22% of flight departures
Evening (6pm - Midnight) - 37% of flight departures

Question 4

How long is the flight from Boston to San Francisco?

Accepted Answer

For as low as C$ 285, Alaska Airlines can have you in San Francisco from Boston in 6h 39m. Airlines will cover a distance of 4365 km. 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

Cheapflights users have booked flights from Boston to San Francisco round-trip from C$ 285. Other airlines that can offer you cheap pricing are JetBlue, from C$ 306, and Delta, from C$ 336. Alaska Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

Question 6

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

Accepted Answer

The cheapest airlines for a one-way flight from Boston to San Francisco are JetBlue (C$ 137), Delta (C$ 144), and Alaska Airlines (C$ 149).

Question 7

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of C$ 274). Flying from Boston to San Francisco in July is currently the most expensive (average of C$ 428). 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.

January

C$ 376

February

C$ 382

March

C$ 489

April

C$ 465

May

C$ 491

June

C$ 506

July

C$ 587

August

C$ 556

September

C$ 502

October

C$ 508

November

C$ 540

December

C$ 503

Question 8

When is the best time to 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 50 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

When is the cheapest time to fly from Boston to San Francisco?

Accepted Answer

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

Question 10

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 2/5.

Question 11

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

Accepted Answer

The most popular airlines flying from Boston to San Francisco are Alaska Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

Question 12

What are the cheapest flights from Boston to San Francisco?

Accepted Answer

On average you can expect to pay C$ 357 for a flight from Boston to San Francisco. The cheapest flight overall is C$ 165 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at C$ 428.

Question 13

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Boston to San Francisco consider choosing ANA (100%), Air China (94%) or Qantas Airways (80%) as they are the most reliable in getting you off to your destination on time.

Question 14

Can I find flights from Boston to San Francisco for under C$ 300 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Boston to San Francisco for under C$ 300. The cheapest flight booked recently is on Alaska Airlines for just C$ 285, but on average you can expect to pay C$ 329.

Question 15

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

Accepted Answer

Cheapflights has 20 direct flights from Boston to San Francisco under C$ 300. A good price for a direct flight from Boston to San Francisco is less than C$ 345.

Question 16

Are there last-minute flights available from Boston to San Francisco for under C$ 500?

Accepted Answer

There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than C$ 500.

Question 17

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

Accepted Answer

Wednesday flights are found to be more expensive to fly from Boston to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

Question 18

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 78% on flights from Boston to San Francisco compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 567. For sooner than that we have options available in the next 3 days from C$ 910.

Question 19

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

Accepted Answer

The best pricing can be found in the month of January. Prices to San Francisco from Boston average C$ 520. You can even find prices in January for less than C$ 520, as users have found deals to San Francisco from as low as C$ 163. 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 20

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

Accepted Answer

When flying from Boston to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the morning.

Question 21

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

Accepted Answer

If you wish to fly to San Francisco from Boston, then you need to book flights from Boston Logan Intl to San Francisco. There are 44 flights from Logan Intl (BOS) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Logan Intl are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 6h 29m is how long a nonstop flight from Boston to San Francisco typically takes.

Question 22

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 23

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 24

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 25

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 26

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 27

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 28

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 29

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 30

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

Accepted Answer

When you search for this flight from Boston to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 31

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

Accepted Answer

Cheapflights helps you find that perfect flight to San Francisco from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 32

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 33

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

Accepted Answer

Not ready to book yet? You can track prices for flights from Boston to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

Popular in	June
Cheapest in	January
Round-trip from	C$ 375
One-way from	C$ 237

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 153	AverageC$ 280	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	CheapestC$ 257	AverageC$ 357	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Alaska Airlines	CheapestC$ 281	AverageC$ 462	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 475	AverageC$ 559	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

15%of flight departures	Early morningMidnight to 6 am
37%of flight departures	Morning6 am to noon
43%of flight departures	AfternoonNoon to 6 pm
5%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 from C$ 137

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 5/6. 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 January or February, booked 50 days in advance, depart on a Sunday or Monday and return on a Monday

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?

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

Cheap Delta flights from Boston to San Francisco

Take a peek at the cheapest Delta flights we've detected travelling from Boston to San Francisco. Make sure to check back often as deals are often changing.

Cheap JetBlue flights from Boston to San Francisco

Have a look at some of the cheapest available JetBlue flights departing from Boston and landing in San Francisco. Make sure to examine the flight information before completing your reservation.

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 483,025 searches. Prices were last updated on 3 May 2024.

Scroll through some of the best deals on flights from Boston to San Francisco in 2024. If these deals don't appeal to you, be sure to come back soon for more 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 483,025 searches. Data last updated 3 May 2024.

Scroll through some of the best deals on flights from Boston to San Francisco in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

Direct flights to San Francisco from Boston

To help reduce your travel time, choose from one of these non-stop flights from Boston to San Francisco. If you're looking for other options for flights from Boston to San Francisco, make sure to update the search form at the top of page.

Boston to San Francisco flights leaving soon

Consider one of these great deals we found on last-minute flights from Boston to San Francisco. Tip: verify your flight details before completing your reservation.

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 top of the page.

Find flights from Boston to San Francisco within your budget

When is the best time to 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 28 January 2024.

To ensure you get the cheapest price possible for a flight from Boston to San Francisco, you should look to book at least 50 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.

When is the cheapest time 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 28 April 2024.

Average price of flights to San Francisco by month

Plan your trip from Boston to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to San Francisco is currently C$ 160 while a round-trip flight costs C$ 331. Price data was last updated on 28 April 2024.

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

Read reviews from past customers who have flown Delta, JetBlue and Alaska Airlines from Boston to San Francisco. You can also see how each airline compares in terms of 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 C$ 300 on Cheapflights?

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

Are there last-minute flights available from Boston to San Francisco for under C$ 500?

What days are direct 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 popular airlines that fly from Boston to San Francisco?

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?

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?

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Top 4 airlines flying from Boston to San Francisco

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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 3 May 2024.

Weekly flight availability from Boston to San Francisco

Explore weekly flight availability from Boston to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 May 2024.

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Alternative routes for Boston to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.