How popular is this Boston to San Francisco flight route?

Within the past month, 11 users have taken a look at flights from Boston Logan Intl to San Francisco.

How long is the flight from Boston to San Francisco?

Departing from Boston to San Francisco will take you 6h 53m. Boston and San Francisco are separated by a distance of 2696 mi. All flights are typically direct.

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

Flying on JetBlue is currently your cheapest option to San Francisco, with prices starting at £144. You may be able to fly from Boston to San Francisco for 45% less than the average price by searching for this airline.

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

The cheapet airlines for a one-way flight from Boston to San Francisco are Hawaiian Airlines (£98), Southwest (£102), and United Airlines (£103).

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

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

Weekly flight availability from Boston to San Francisco

The most flights from BOS to SFO are scheduled on a Thursday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from Boston to San Francisco?

On average you can expect to pay £300 for a flight from Boston to San Francisco. The cheapest flight overall is £95 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at £199.

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

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 (88%), Icelandair (86%), Etihad Airways (84%).

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

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 1 airline has flights from Logan Intl (BOS) to San Francisco (SFO) on a regular basis. There are 43 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 49m.

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

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

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

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.

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

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.

£98+ Flights from Boston to San Francisco

Cheapflights Tip: The best prices from Boston Logan Intl to San Francisco are usually found in January or March, booked 68 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Boston to San Francisco

Round-trip from	£201
One-way from	£98
Popular in	December
Cheapest in	January
Average price	£247
Good one-way deal	£124 or less

Alaska Airlines
4/12-10/12
1 total stop
14h 48m total
Boston to San Francisco

Search Deals

Hawaiian Airlines
16/12
1 total stop
10h 24m total
Boston to San Francisco

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a one-way flight from Boston Logan Intl to San Francisco.

Search Deals

Find flight deals from Boston to San Francisco

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 18 September 2025.

Thu 4/1218:52BOS - SFO

Nonstop6h 56mAlaska Airlines

Wed 10/1207:00SFO - BOS

1 stop7h 52mAlaska Airlines

Deal found 16/9£201

Tue 28/1007:50BOS - SFO

1 stop8h 40mSouthwest

Wed 29/1009:00SFO - BOS

1 stop10h 15mSouthwest

Deal found 17/9£203

Fri 17/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Sat 25/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 18/9£204

Wed 10/1216:24BOS - SFO

1 stop10h 24mHawaiian Airlines

Fri 12/1207:00SFO - BOS

Nonstop5h 37mHawaiian Airlines

Deal found 17/9£206

Fri 17/1007:15BOS - SFO

Nonstop6h 47mDelta

Sat 25/1007:00SFO - BOS

Nonstop5h 42mDelta

Deal found 17/9£207

Wed 10/1216:24BOS - SFO

1 stop10h 24mAlaska Airlines

Mon 15/1219:47SFO - BOS

1 stop19h 05mAlaska Airlines

Deal found 17/9£207

Mon 24/1119:33BOS - SFO

Nonstop6h 47mAlaska Airlines

Tue 2/1207:00SFO - BOS

Nonstop5h 37mAlaska Airlines

Deal found 16/9£208

Wed 5/1107:20BOS - SFO

1 stop9h 35mSouthwest

Sat 8/1121:25SFO - BOS

1 stop9h 20mSouthwest

Deal found 17/9£211

Fri 17/1016:15BOS - SFO

Nonstop6h 30mUnited Airlines

Fri 24/1023:00SFO - BOS

1 stop7h 56mUnited Airlines

Deal found 18/9£212

Sat 18/1007:15BOS - SFO

Nonstop6h 47mDelta

Sun 19/1021:50SFO - BOS

Nonstop5h 40mDelta

Deal found 17/9£215

Fri 31/1007:00BOS - SFO

1 stop11h 43mAlaska Airlines

Mon 3/1107:00SFO - BOS

Nonstop5h 41mAlaska Airlines

Deal found 16/9£215

Mon 13/1008:01BOS - SFO

1 stop31h 09mAlaska Airlines

Sat 18/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 16/9£217

Best flights from Boston to San Francisco
Discover carefully curated flight deals from Boston to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Wed 3/1220:14BOS - SFO

Nonstop6h 45mJetBlue

Tue 9/1211:45SFO - BOS

Nonstop5h 34mJetBlue

Deal found 16/9£204

Wed 10/1218:52BOS - SFO

Nonstop6h 56mHawaiian Airlines

Tue 6/107:25SFO - BOS

Nonstop5h 47mHawaiian Airlines

Deal found 17/9£204

Thu 5/207:55BOS - SFO

Nonstop6h 55mUnited Airlines

Thu 19/223:20SFO - BOS

Nonstop5h 38mUnited Airlines

Deal found 16/9£204

Wed 29/1018:59BOS - SFO

Nonstop6h 51mAlaska Airlines

Tue 4/1107:00SFO - BOS

Nonstop5h 41mAlaska Airlines

Deal found 16/9£204

Wed 10/1205:45BOS - SFO

1 stop10h 35mSouthwest

Mon 5/113:00SFO - BOS

1 stop8h 05mSouthwest

Deal found 16/9£211

Wed 22/1016:55BOS - SFO

Nonstop6h 45mDelta

Sun 26/1007:00SFO - BOS

Nonstop5h 42mDelta

Deal found 16/9£215

Tue 28/1007:10BOS - SFO

Nonstop6h 50mJetBlue

Wed 5/1112:10SFO - BOS

Nonstop5h 33mJetBlue

Deal found 16/9£204

Fri 31/1015:55BOS - SFO

1 stop8h 30mSouthwest

Tue 4/1105:50SFO - BOS

1 stop7h 15mSouthwest

Deal found 15/9£211

Thu 6/1120:30BOS - SFO

Nonstop6h 54mUnited Airlines

Tue 11/1113:25SFO - BOS

1 stop7h 17mUnited Airlines

Deal found 17/9£212

Thu 30/1007:00BOS - SFO

1 stop11h 43mAlaska Airlines

Sun 2/1107:00SFO - BOS

Nonstop5h 41mAlaska Airlines

Deal found 15/9£219

Sun 9/1106:00BOS - SFO

Nonstop6h 45mUnited Airlines

Wed 12/1122:40SFO - BOS

1 stop7h 50mUnited Airlines

Deal found 16/9£212

Thu 16/1007:30BOS - SFO

1 stop8h 40mUnited Airlines

Sun 19/1021:20SFO - BOS

Nonstop5h 47mUnited Airlines

Deal found 17/9£212

Direct flights from Boston to San Francisco
Explore direct flight options from Boston to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2025.

Fri 17/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Sat 25/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 18/9£204

Fri 17/1007:15BOS - SFO

Nonstop6h 47mDelta

Sat 25/1007:00SFO - BOS

Nonstop5h 42mDelta

Deal found 17/9£206

Mon 24/1119:33BOS - SFO

Nonstop6h 47mAlaska Airlines

Tue 2/1207:00SFO - BOS

Nonstop5h 37mAlaska Airlines

Deal found 16/9£208

Thu 16/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Tue 21/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 15/9£212

Sat 18/1007:15BOS - SFO

Nonstop6h 47mDelta

Mon 20/1021:50SFO - BOS

Nonstop5h 40mDelta

Deal found 17/9£215

Fri 24/1007:15BOS - SFO

Nonstop6h 47mDelta

Thu 30/1007:00SFO - BOS

Nonstop5h 42mDelta

Deal found 17/9£219

Wed 8/1010:25BOS - SFO

Nonstop6h 32mUnited Airlines

Sat 11/1021:20SFO - BOS

Nonstop5h 47mUnited Airlines

Deal found 17/9£220

Sat 18/1007:15BOS - SFO

Nonstop6h 47mDelta

Tue 21/1021:50SFO - BOS

Nonstop5h 40mDelta

Deal found 17/9£222

Wed 15/1020:15BOS - SFO

Nonstop7h 00mJetBlue

Sat 18/1022:00SFO - BOS

Nonstop5h 39mJetBlue

Deal found 15/9£225

Sun 23/1119:55BOS - SFO

Nonstop6h 58mDelta

Fri 28/1107:00SFO - BOS

Nonstop5h 35mDelta

Deal found 17/9£226

Thu 9/1010:25BOS - SFO

Nonstop6h 32mUnited Airlines

Sun 12/1006:20SFO - BOS

Nonstop5h 48mUnited Airlines

Deal found 16/9£232

Last-minute flights from Boston to San Francisco
Discover last-minute flight deals from Boston to San Francisco. Data last updated 18 September 2025 and is based on user searches.

Mon 13/1008:01BOS - SFO

1 stop31h 09mAlaska Airlines

Sat 18/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 16/9£217

Thu 16/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Thu 23/1006:45SFO - BOS

1 stop20h 56mAlaska Airlines

Deal found 16/9£219

Fri 17/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Sat 25/1007:11SFO - BOS

Nonstop5h 49mAlaska Airlines

Deal found 18/9£204

Fri 17/1007:15BOS - SFO

Nonstop6h 47mDelta

Sat 25/1007:00SFO - BOS

Nonstop5h 42mDelta

Deal found 17/9£206

Fri 17/1016:15BOS - SFO

Nonstop6h 30mUnited Airlines

Fri 24/1023:00SFO - BOS

1 stop7h 56mUnited Airlines

Deal found 18/9£212

Sat 18/1007:15BOS - SFO

Nonstop6h 47mDelta

Sun 19/1021:50SFO - BOS

Nonstop5h 40mDelta

Deal found 17/9£215

Wed 22/1005:15BOS - SFO

1 stop15h 00mSouthwest

Tue 28/1005:45SFO - BOS

2 stops9h 15mSouthwest

Deal found 17/9£211

Fri 24/1006:15BOS - SFO

Nonstop6h 35mJetBlue

Fri 31/1008:00SFO - BOS

1 stop12h 11mJetBlue

Deal found 16/9£218

Tue 28/1007:50BOS - SFO

1 stop8h 40mSouthwest

Wed 29/1009:00SFO - BOS

1 stop10h 15mSouthwest

Deal found 17/9£203

Fri 31/1007:00BOS - SFO

1 stop11h 43mAlaska Airlines

Tue 4/1107:00SFO - BOS

Nonstop5h 41mAlaska Airlines

Deal found 16/9£215

Fri 31/1005:40BOS - SFO

1 stop10h 28mJetBlue

Fri 31/1015:20SFO - BOS

Nonstop5h 31mJetBlue

Deal found 16/9£218

One-way flights from Boston to San Francisco
Search for one-way flight options from Boston to San Francisco. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Tue 16/1216:24BOS - SFO

1 stop10h 24mHawaiian Airlines

Deal found 16/9£98

Tue 18/1117:00BOS - SFO

1 stop8h 30mSouthwest

Deal found 17/9£102

Fri 17/1020:25BOS - SFO

Nonstop6h 40mHawaiian Airlines

Deal found 18/9£103

Wed 10/1216:24BOS - SFO

1 stop10h 24mAlaska Airlines

Deal found 16/9£103

Fri 17/1019:55BOS - SFO

Nonstop6h 46mDelta

Deal found 17/9£104

Wed 22/1005:15BOS - SFO

1 stop15h 00mSouthwest

Deal found 17/9£106

Thu 16/1020:25BOS - SFO

Nonstop6h 40mAlaska Airlines

Deal found 17/9£106

Tue 9/1216:24BOS - SFO

1 stop18h 42mAlaska Airlines

Deal found 16/9£108

Fri 12/1216:24BOS - SFO

1 stop10h 24mHawaiian Airlines

Deal found 17/9£109

Fri 17/1019:08BOS - SFO

1 stop8h 47mUnited Airlines

Deal found 18/9£110

Wed 15/1007:15BOS - SFO

Nonstop6h 47mDelta

Deal found 17/9£113

Thu 18/1205:00BOS - SFO

1 stop13h 05mSouthwest

Deal found 17/9£114

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 3/12

20:14-23:59

Nonstop6h 45m

San Francisco

Tue 9/12

11:45-20:19

Nonstop5h 34m

£204

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 10/12

18:52-22:48

Nonstop6h 56m

San Francisco

Tue 6/1

07:25-16:12

Nonstop5h 47m

£204

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 5/2

07:55-11:50

Nonstop6h 55m

San Francisco

Thu 19/2

23:20-07:58

Nonstop5h 38m

£204

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 29/10

18:59-22:50

Nonstop6h 51m

San Francisco

Tue 4/11

07:00-15:41

Nonstop5h 41m

£204

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 28/10

07:10-11:00

Nonstop6h 50m

San Francisco

Wed 5/11

12:10-20:43

Nonstop5h 33m

£204

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 10/12

05:45-13:20

1 stop10h 35m

San Francisco

Mon 5/1

13:00-00:05

1 stop8h 05m

£211

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 31/10

15:55-21:25

1 stop8h 30m

San Francisco

Tue 4/11

05:50-16:05

1 stop7h 15m

£211

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 6/11

20:30-00:24

Nonstop6h 54m

San Francisco

Tue 11/11

13:25-23:42

1 stop7h 17m

£212

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 9/11

06:00-09:45

Nonstop6h 45m

San Francisco

Wed 12/11

22:40-09:30

1 stop7h 50m

£212

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 16/10

07:30-13:10

1 stop8h 40m

San Francisco

Sun 19/10

21:20-06:07

Nonstop5h 47m

£212

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 results

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.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Francisco

Prices

Airlines

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

Booking 68 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.

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

Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £538). Flying from Boston to San Francisco in July is currently the most expensive (average of £803). 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.

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

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 46% on your trip compared to booking a flight at midday.

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with JetBlue from Boston to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

JetBlue

7.2

Good

2,914 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

JACK,Sept 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

JetBlue

7.2

Good

2,914 reviews

JetBlue

7.2

Good

2,914 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

JACK,Sept 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

Related info for your journey

What airports do I use to fly from Boston to San Francisco?
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 1 airline has flights from Logan Intl (BOS) to San Francisco (SFO) on a regular basis. There are 43 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 49m.
How popular is this Boston to San Francisco flight route?
Within the past month, 11 users have taken a look at flights from Boston Logan Intl to San Francisco.
How long is the flight from Boston to San Francisco?
Departing from Boston to San Francisco will take you 6h 53m. Boston and San Francisco are separated by a distance of 2696 mi. All flights are typically direct.
What is the cheapest airline to fly from Boston to San Francisco round-trip?
Flying on JetBlue is currently your cheapest option to San Francisco, with prices starting at £144. You may be able to fly from Boston to San Francisco for 45% less than the average price by searching for this airline.
What are the cheapest airlines to fly from Boston to San Francisco one-way?
The cheapet airlines for a one-way flight from Boston to San Francisco are Hawaiian Airlines (£98), Southwest (£102), and United Airlines (£103).
What are the most reliable airlines from Boston to San Francisco?
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 (88%), Icelandair (86%), Etihad Airways (84%).
What are the cheapest flights from Boston to San Francisco?
On average you can expect to pay £300 for a flight from Boston to San Francisco. The cheapest flight overall is £95 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at £199.
Can I find deals for flights from Boston to San Francisco that include hotel bookings?
Yes. In addition to deals on Boston to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Boston to San Francisco?
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.
Can I find deals for business class flights from Boston to San Francisco?
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.
What is the cheapest month to book a flight from Boston to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £538). Flying from Boston to San Francisco in July is currently the most expensive (average of £803). 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.

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Top airline flying from Boston to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£144	Average£210	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights

Fly with Cheapflights

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

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.

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

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!

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

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

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

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.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Boston to San Francisco from £98

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Boston Logan Intl to San Francisco are usually found in January or March, booked 68 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Boston to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Francisco

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

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?

Weekly flight availability from Boston to San Francisco

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with JetBlue from Boston to San Francisco by reading reviews from past customers. 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?

How popular is this Boston to San Francisco flight route?

How long is the flight from Boston to San Francisco?

What is the cheapest airline to fly 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?

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?

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

Travelling to a place near 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.

Alternative routes for Boston to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boston to San Francisco

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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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 18 September 2025.