Question 1

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

Accepted Answer

Direct flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Question 2

How popular is this Boston to San Francisco flight route?

Accepted Answer

Within the past month, 7 users have taken a look at flights from Boston Logan Intl to San Francisco.

Question 3

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

Accepted Answer

14 flight departures from Boston to San Francisco per day on average.
Morning (6am - Midday) - 43% of flight departures
Evening (6pm - Midnight) - 57% of flight departures

Question 4

How long is the flight from Boston to San Francisco?

Accepted Answer

Departing from Boston to San Francisco will take you 6h 35m. Boston and San Francisco are separated by a distance of 2712 mi. All flights are typically direct.

Question 5

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

Accepted Answer

Flying on JetBlue is currently your cheapest option to San Francisco, with prices starting at £188. Additional return tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at £196 and £197, respectively. You may be able to fly from Boston to San Francisco for 36% less than the average price by searching for these airlines.

Question 6

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

Accepted Answer

The cheapet airlines for a one-way flight from Boston to San Francisco are Alaska Airlines (£80), Delta (£84), and JetBlue (£94).

Question 7

E

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £528). Flying from Boston to San Francisco in July is currently the most expensive (average of £754). 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

£432

February

£423

March

£453

April

£456

May

£467

June

£562

July

£604

August

£528

September

£475

October

£484

November

£440

December

£457

Question 8

When is the best time to book a flight from Boston to San Francisco?

Accepted Answer

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

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

Accepted Answer

Travellers seeking maximum savings on their Boston to San Francisco flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday 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 9/5.

Question 11

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

Accepted Answer

Consider Alaska Airlines, JetBlue or United Airlines when booking your flight. These represent the most popular airlines when flying from Boston to San Francisco.

Question 12

What are the cheapest flights from Boston to San Francisco?

Accepted Answer

On average you can expect to pay £801 for a flight from Boston to San Francisco. The cheapest flight overall is £101 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at £298.

Question 13

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 (94%), Qantas Airways (80%).

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 JetBlue for just £188, but on average you can expect to pay £207.

Question 15

Are there nonstop flights from Boston to San Francisco for under £200 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Boston to San Francisco under £200. A good price for a nonstop flight from Boston to San Francisco is less than £212.

Question 16

Are there last-minute flights available from Boston to San Francisco for under £300?

Accepted Answer

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

Question 17

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

Accepted Answer

Users have found that flying from Boston to San Francisco on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 18

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

Accepted Answer

Travelers have found it’s best to book a flight 53 days in advance to save up to 68% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to San Francisco 1-2 weeks in advance for as low as £335, or £447 for flights within the next 24 hours.

Question 19

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

Accepted Answer

February is one of the best times of the year to fly to San Francisco from Boston. Prices for February average £296 per person but you can even find prices for as low as £86. The most expensive prices can be found in the month of June. Opting for a February flight can save you 21% on your journey compared to booking in June

Question 20

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the afternoon. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the morning.

Question 21

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

Accepted Answer

You will need to book a flight from Boston Logan Intl to San Francisco if you want to fly from Boston to San Francisco. At least 3 different airlines have flights from Logan Intl (BOS) to San Francisco (SFO) on a regular basis. There are 44 flights to San Francisco from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to SFO to be around 6h 45m.

Question 22

What does BOS to SFO mean?

Accepted Answer

This is defined as Boston Logan Intl Airport (BOS) and San Francisco Airport (SFO). Codes like San Francisco Airport are often used to just call airports uniquely.

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 holiday 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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Yes! Cheapflights helps users easily find flights from Boston to San Francisco with no change fees.

Question 33

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

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Boston today and book when prices fit your budget.

Popular in	June
Cheapest in	February
Round-trip from	£423
One-way from	£138

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£100	Average£211	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Alaska Airlines	Cheapest£132	Average£339	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	Cheapest£224	Average£398	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

16%of flight departures	Early morningMidnight to 6 am
33%of flight departures	Morning6 am to noon
38%of flight departures	AfternoonNoon to 6 pm
13%of flight departures	Evening6 pm to midnight

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

Cheap flights from Boston to San Francisco from £80

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 February or September, booked 73 days in advance, depart on a Wednesday or Tuesday 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?

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

Cheap JetBlue flights from Boston to San Francisco

Take a peek at the cheapest JetBlue flights we've detected travelling from Boston to San Francisco. Come back soon if you're not finding the exact deal you're looking for.

Cheap Delta flights from Boston to San Francisco

Have a look at some of the cheapest available Delta 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 881,504 searches. Prices were last updated on 9 May 2024.

Listed are some of the best fares we've found on flights departing from Boston to San Francisco in 2024. 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 881,504 searches. Data last updated 9 May 2024.

Listed are some of the best fares we've found on flights departing from Boston to San Francisco in 2024. Check back in a little while for more flight options.

Direct flights to San Francisco from Boston

Take a look at some of the direct flights travelling from Boston to San Francisco in the near future. Search for alternative flights from Boston to San Francisco by utilising the search form above.

Boston to San Francisco flights leaving soon

Book one of these great deals on flights from Boston to San Francisco. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to San Francisco from Boston

Users travelling one-way from Boston to San Francisco can select one of these great deals. Those seeking round-trip flights from Boston to San Francisco should utilise 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 return flight from Boston to San Francisco. Price data was last updated on 3 May 2024.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly return from Boston to San Francisco. Price data was last updated on 5 May 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 £97 while a return flight costs £219. Price data was last updated on 5 May 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

See what other customers who have flown with JetBlue, Delta and United Airlines from Boston to San Francisco have to say. Users have also rated airlines 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 £200 on Cheapflights?

Are there nonstop flights from Boston to San Francisco for under £200 on Cheapflights?

Are there last-minute flights available from Boston to San Francisco for under £300?

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 3 airlines flying from Boston to San Francisco

Popular flight searches

Check out other popular destinations found by fellow travellers 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 9 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 9 May 2024.

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User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

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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.