What is the most punctual flight time for Boston to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

13 flights are operational daily from Boston to San Francisco as of December 2025. The most popular departure time for this route is 06:00, with 40% of flights per day taking off at midday.

How often are flights from Boston to San Francisco delayed?

Historically, on average around 16% of flights between Boston and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

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

95 flights are operational weekly from Boston to San Francisco as of December 2025. The most popular departure day for this route is Wed, with 42% of flights per week taking off on this day.

Which airline has the best punctuality record on Boston to San Francisco flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Boston Logan Intl to San Francisco?

United Airlines, JetBlue, and Delta are the most popular carriers operating from Boston Logan Intl to San Francisco

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Airport?

Prices for flights from Boston Logan Intl Airport to San Francisco Airport refresh daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?

There are 2 operators available for flights from Boston Logan Intl Airport to San Francisco Airport as of December 2025.

How old do you have to be to fly from Boston Logan Intl Airport to San Francisco Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

₹ 10,766 Cheap Flights from Boston to San Francisco in 2025/26

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One-way

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Enter your travel dates to find the best prices.

07:55 - 11:48

BOS

SFO

6h 53mdirect

13:08 - 21:47

SFO

BOS

5h 39mdirect

₹ 20,356United Airlines

Wed, 11 Feb - Sat, 14 Feb

07:55 - 11:48

BOS

SFO

6h 53mdirect

23:56 - 10:53

SFO

BOS

7h 57m1 stop

₹ 20,537United Airlines

Wed, 21 Jan - Mon, 26 Jan

07:50 - 11:50

BOS

SFO

7h 00mdirect

16:03 - 06:14

SFO

BOS

11h 11m1 stop

₹ 20,809Delta

Tue, 13 Jan - Tue, 27 Jan

17:30 - 07:30

BOS

SFO

17h 00m1 stop

07:10 - 15:51

SFO

BOS

5h 41mdirect

₹ 20,899Delta

Fri, 6 Feb - Wed, 11 Feb

10:56 - 14:51

BOS

SFO

6h 55mdirect

19:06 - 05:52

SFO

BOS

7h 46m1 stop

₹ 21,170United Airlines

Wed, 11 Feb - Sat, 14 Feb

16:20 - 22:47

BOS

SFO

9h 27m1 stop

12:00 - 23:54

SFO

BOS

8h 54m1 stop

₹ 21,351Alaska Airlines

Wed, 21 Jan - Mon, 26 Jan

18:40 - 22:32

BOS

SFO

6h 52mdirect

06:00 - 14:37

SFO

BOS

5h 37mdirect

₹ 21,442JetBlue

Fri, 9 Jan - Mon, 12 Jan

17:40 - 21:42

BOS

SFO

7h 02mdirect

16:03 - 06:14

SFO

BOS

11h 11m1 stop

₹ 21,713Delta

Wed, 7 Jan - Wed, 14 Jan

06:50 - 14:20

BOS

SFO

10h 30m2 stops

09:50 - 22:30

SFO

BOS

9h 40m1 stop

₹ 21,894Southwest

Wed, 7 Jan - Wed, 14 Jan

07:11 - 11:10

BOS

SFO

6h 59mdirect

12:40 - 00:13

SFO

BOS

8h 33m1 stop

₹ 22,166JetBlue

Wed, 7 Jan - Thu, 22 Jan

Alaska Airlines flights from Boston to San Francisco

Our best Alaska Airlines deals on Boston to San Francisco flight tickets

Alaska Airlines

21 Jan

BOS16:20Boston Logan Intl

9h 27m

1 stop

SFO22:47San Francisco

26 Jan

SFO12:00San Francisco

8h 54m

1 stop

BOS23:54Boston Logan Intl

₹ 21,351

Find similar

Alaska Airlines

20 Feb

BOS17:44Boston Logan Intl

9h 15m

1 stop

SFO23:59San Francisco

3 Mar

SFO08:42San Francisco

12h 17m

1 stop

BOS23:59Boston Logan Intl

₹ 22,256

Find similar

Alaska Airlines

12 Jan

BOS16:20Boston Logan Intl

9h 27m

1 stop

SFO22:47San Francisco

20 Jan

SFO14:52San Francisco

23h 47m

1 stop

BOS17:39Boston Logan Intl

₹ 22,980

Find similar

United Airlines flights from Boston to San Francisco

Our best United Airlines deals on Boston to San Francisco flight tickets

United Airlines

11 Feb

BOS07:55Boston Logan Intl

6h 53m

SFO11:48San Francisco

14 Feb

SFO13:08San Francisco

5h 39m

BOS21:47Boston Logan Intl

₹ 20,356

Find similar

United Airlines

21 Jan

BOS07:55Boston Logan Intl

6h 53m

SFO11:48San Francisco

26 Jan

SFO23:56San Francisco

7h 57m

1 stop

BOS10:53Boston Logan Intl

₹ 20,537

Find similar

United Airlines

11 Feb

BOS10:56Boston Logan Intl

6h 55m

SFO14:51San Francisco

14 Feb

SFO19:06San Francisco

7h 46m

1 stop

BOS05:52Boston Logan Intl

₹ 21,170

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 11/2

07:55-11:48

Nonstop6h 53m

San Francisco

Sat 14/2

13:08-21:47

Nonstop5h 39m

₹ 20,356

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 21/1

07:55-11:48

Nonstop6h 53m

San Francisco

Mon 26/1

23:56-10:53

1 stop7h 57m

₹ 20,537

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 13/1

07:50-11:50

Nonstop7h 00m

San Francisco

Tue 27/1

16:03-06:14

1 stop11h 11m

₹ 20,809

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 6/2

17:30-07:30

1 stop17h 00m

San Francisco

Wed 11/2

07:10-15:51

Nonstop5h 41m

₹ 20,899

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 11/2

10:56-14:51

Nonstop6h 55m

San Francisco

Sat 14/2

19:06-05:52

1 stop7h 46m

₹ 21,170

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 21/1

16:20-22:47

1 stop9h 27m

San Francisco

Mon 26/1

12:00-23:54

1 stop8h 54m

₹ 21,351

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 9/1

18:40-22:32

Nonstop6h 52m

San Francisco

Mon 12/1

06:00-14:37

Nonstop5h 37m

₹ 21,442

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 7/1

17:40-21:42

Nonstop7h 02m

San Francisco

Wed 14/1

16:03-06:14

1 stop11h 11m

₹ 21,713

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 7/1

06:50-14:20

2 stops10h 30m

San Francisco

Wed 14/1

09:50-22:30

1 stop9h 40m

₹ 21,894

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 7/1

07:11-11:10

Nonstop6h 59m

San Francisco

Thu 22/1

12:40-00:13

1 stop8h 33m

₹ 22,166

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Francisco?

In general, January is the cheapest month to fly from Boston to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 30,037. If you aren’t able to travel to San Francisco during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of ₹ 30,037.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Boston to San Francisco is on a Wednesday. Travellers who choose to depart for San Francisco on a Wednesday will often find tickets for as low as ₹ 23,429. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around ₹ 52,019.

What is the cheapest time of day to depart on your flight to San Francisco?

The cheapest time of day to fly to San Francisco is in the evening when flights can be purchased for as low as ₹ 22,279. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 149,895.

What is the cheapest Boston Logan Intl to San Francisco flight route?

Fly from Boston Logan Intl to San Francisco for the best Boston Logan Intl - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 33,165 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Boston for as low as ₹ 29,584 on momondo.

What cabin class options are available on Boston Logan Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to San Francisco flight prices changed over time?

As of December 2025, prices for Boston to San Francisco flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Boston to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Boston to San Francisco (BOS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco

Fastest flight time	9h 48m
Direct flights	Every day
Airports in San Francisco	1 airport

The fastest flight from Boston to San Francisco takes 9h 48m

Direct flights go from Boston to San Francisco every day.

There is 1 airport in San Francisco. From Boston there are direct flights to San Francisco (SFO).

Search flight deals

How far is Boston Logan Intl to San Francisco by plane?
There are 4329.4 km between Boston Logan Intl and San Francisco. Typically, this will take 9h 48m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Airport?
Prices for flights from Boston Logan Intl Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?
There are 2 operators available for flights from Boston Logan Intl Airport to San Francisco Airport as of December 2025.
How old do you have to be to fly from Boston Logan Intl Airport to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to San Francisco is Airbus A321neo (25.37% of total bookings). The next most popular plane models are Airbus A318/A319/A320/A321 (22.57%), Boeing 737 MAX 9 (19.89%), and Boeing 757-200 (15.98%).
What is the most popular airline from Boston to San Francisco?
Based on momondo bookings for flights between Boston and San Francisco, the leading airline is JetBlue, making up 66% of the total bookings. Other popular airlines include Delta with 34%.

Best airlines flying from Boston to San Francisco

Compare and see reviews for airlines that fly from Boston to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom ₹ 11,715	Free Cancellation	Rating 7.9 8,006 reviews		Search Delta flights
JetBlue	PriceFrom ₹ 17,787	Free Cancellation	Rating 7.2 2,894 reviews		Search JetBlue flights

Delta Flights From Boston to San Francisco
Delta flies from Boston to San Francisco around 3 times per week, with 8,006 momondo users rating the airline 7.9/10. The cheapest Delta deal from Boston to San Francisco in the last 72 hours was ₹ 11,715 (round-trip), much lower than the average airfare cost of ₹ 35,011 for Delta flights on this route.
JetBlue Flights From Boston to San Francisco
JetBlue is also a popular choice for this route. JetBlue flight deals for Boston to San Francisco start from as low as ₹ 17,787 round-trip, depending on your selected dates, with average JetBlue deals seen on momondo around ₹ 28,640. JetBlue operates 14 flights to San Francisco from Boston in an average week. Users have rated it 7.2/10 across 2,894 reviews.

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South San Francisco

Santa Clara

Palo Alto

San Mateo

Gilroy

Rancho Cordova

Mountain View

Belmont

Bodega Bay

Roseville

Woodland

Cupertino

Lathrop

Daly City

Sunnyvale

Calistoga

Fremont

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Boston.

Can I find flights from Boston to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Boston with this policy.

How can momondo help me find flights from Boston to San Francisco?

momondo helps you find the best flight between Boston and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Boston to San Francisco from ₹ 10,766

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Francisco departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Boston to San Francisco

Our best Alaska Airlines deals on Boston to San Francisco flight tickets

United Airlines flights from Boston to San Francisco

Our best United Airlines deals on Boston to San Francisco flight tickets

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Use the filters below to find and compare flights from Boston to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Boston to San Francisco

What is the cheapest month to fly to San Francisco?

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Boston to San Francisco is on a Wednesday. Travellers who choose to depart for San Francisco on a Wednesday will often find tickets for as low as ₹ 23,429. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around ₹ 52,019.

What is the cheapest time of day to depart on your flight to San Francisco?

The cheapest time of day to fly to San Francisco is in the evening when flights can be purchased for as low as ₹ 22,279. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 149,895.

What is the cheapest Boston Logan Intl to San Francisco flight route?

Fly from Boston Logan Intl to San Francisco for the best Boston Logan Intl - San Francisco flight prices

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

What cabin class options are available on Boston Logan Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to San Francisco flight prices changed over time?

As of December 2025, prices for Boston to San Francisco flights are approximately 5% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to San Francisco?

United Airlines, JetBlue, and Delta are the most popular carriers operating from Boston Logan Intl to San Francisco

How often are flights from Boston to San Francisco delayed?

Historically, on average around 16% of flights between Boston and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

What is the most punctual flight time for Boston to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to San Francisco flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

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

13 flights are operational daily from Boston to San Francisco as of December 2025. The most popular departure time for this route is 06:00, with 40% of flights per day taking off at midday.

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

95 flights are operational weekly from Boston to San Francisco as of December 2025. The most popular departure day for this route is Wed, with 42% of flights per week taking off on this day.

When to book flights from Boston to San Francisco

Cheap Boston to San Francisco (BOS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco

Fastest flight time

Direct flights

Airports in San Francisco

How far is Boston Logan Intl to San Francisco by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?

How old do you have to be to fly from Boston Logan Intl Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Boston to San Francisco?

What is the most popular airline from Boston to San Francisco?

Best airlines flying from Boston to San Francisco

Compare and see reviews for airlines that fly from Boston to San Francisco with momondo

Delta Flights From Boston to San Francisco

JetBlue Flights From Boston to San Francisco

Travelling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Francisco?

Can I find flights from Boston to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Boston to San Francisco?

I’m not ready to book a flight from Boston to San Francisco right now. Can momondo alert me if prices change?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California