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

As of July 2025, 51 flights take off from Boston and land in San Francisco each day. The most common flight departure time for this route is 7:00a.m., with 47% of daily flights taking off at noon.

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

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

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

As of July 2025, 360 flights take off from Boston and land in San Francisco each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.

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 are refreshed on a daily basis.

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 July 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 163 Cheap Flights from Boston to San Francisco in 2025

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Find the cheapest flights from Boston to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:05 a.m. - 9:43 a.m.BOS-SFO

6h 38mdirect

10:00 p.m. - 6:39 a.m.SFO-BOS

5h 39mdirect

C$ 326JetBlue

Find Deal

Sat, 30 Aug - Sat, 6 Sep

8:23 p.m. - 11:52 p.m.BOS-SFO

6h 29mdirect

6:10 a.m. - 3:00 p.m.SFO-BOS

5h 50mdirect

C$ 327Hawaiian Airlines

Find Deal

Wed, 24 Sep - Wed, 1 Oct

8:23 p.m. - 11:52 p.m.BOS-SFO

6h 29mdirect

7:54 p.m. - 7:53 a.m.SFO-BOS

8h 59m1 stop

C$ 341Alaska Airlines

Find Deal

Wed, 24 Sep - Tue, 14 Oct

6:02 a.m. - 9:33 a.m.BOS-SFO

6h 31mdirect

11:30 p.m. - 8:17 a.m.SFO-BOS

5h 47mdirect

C$ 342United Airlines

Find Deal

Wed, 24 Sep - Sun, 28 Sep

8:01 a.m. - 2:01 p.m.BOS-SFO

9h 00m1 stop

5:16 p.m. - 7:53 a.m.SFO-BOS

11h 37m1 stop

C$ 346Alaska Airlines

Find Deal

Tue, 14 Oct - Tue, 14 Oct

6:45 p.m. - 10:38 p.m.BOS-SFO

6h 53mdirect

7:05 a.m. - 3:55 p.m.SFO-BOS

5h 50mdirect

C$ 360Delta

Find Deal

Sat, 30 Aug - Sat, 6 Sep

6:40 p.m. - 10:17 p.m.BOS-SFO

6h 37mdirect

12:35 p.m. - 9:15 p.m.SFO-BOS

5h 40mdirect

C$ 361Delta

Find Deal

Sat, 27 Sep - Wed, 8 Oct

8:25 a.m. - 11:56 a.m.BOS-SFO

6h 31mdirect

11:57 p.m. - 10:35 a.m.SFO-BOS

7h 38m1 stop

C$ 371United Airlines

Find Deal

Thu, 28 Aug - Mon, 1 Sep

5:50 a.m. - 12:25 p.m.BOS-SFO

9h 35m2 stops

11:25 a.m. - 10:30 p.m.SFO-BOS

8h 05m1 stop

C$ 375Southwest

Find Deal

Sat, 23 Aug - Tue, 26 Aug

5:50 a.m. - 12:25 p.m.BOS-SFO

9h 35m2 stops

11:25 a.m. - 10:30 p.m.SFO-BOS

8h 05m1 stop

C$ 377Southwest

Find Deal

Sat, 23 Aug - Tue, 26 Aug

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets

JetBlue

30 Aug

BOS6:05 a.m.Boston Logan Intl

6h 38m

SFO9:43 a.m.San Francisco

6 Sep

SFO10:00 p.m.San Francisco

5h 39m

BOS6:39 a.m.Boston Logan Intl

C$ 326

Find similar

JetBlue

30 Aug

BOS7:55 p.m.Boston Logan Intl

6h 43m

SFO11:38 p.m.San Francisco

6 Sep

SFO6:15 a.m.San Francisco

9h 18m

1 stop

BOS6:33 p.m.Boston Logan Intl

C$ 364

Find similar

JetBlue

30 Aug

BOS7:55 p.m.Boston Logan Intl

6h 43m

SFO11:38 p.m.San Francisco

6 Sep

SFO6:15 a.m.San Francisco

11h 45m

1 stop

BOS9:00 p.m.Boston Logan Intl

C$ 366

Find similar

Hawaiian Airlines flights from Boston to San Francisco

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

Hawaiian Airlines

24 Sep

BOS8:23 p.m.Boston Logan Intl

6h 29m

SFO11:52 p.m.San Francisco

1 Oct

SFO6:10 a.m.San Francisco

5h 50m

BOS3:00 p.m.Boston Logan Intl

C$ 327

Find similar

Hawaiian Airlines

12 Sep

BOS8:23 p.m.Boston Logan Intl

6h 29m

SFO11:52 p.m.San Francisco

15 Sep

SFO6:10 a.m.San Francisco

5h 50m

BOS3:00 p.m.Boston Logan Intl

C$ 357

Find similar

Hawaiian Airlines

24 Sep

BOS7:45 a.m.Boston Logan Intl

9h 25m

1 stop

SFO2:10 p.m.San Francisco

28 Sep

SFO6:10 a.m.San Francisco

5h 50m

BOS3:00 p.m.Boston Logan Intl

C$ 370

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 30/8

6:05 a.m.-9:43 a.m.

Nonstop6h 38m

San Francisco

Sat 6/9

10:00 p.m.-6:39 a.m.

Nonstop5h 39m

C$ 326

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 24/9

8:23 p.m.-11:52 p.m.

Nonstop6h 29m

San Francisco

Wed 1/10

6:10 a.m.-3:00 p.m.

Nonstop5h 50m

C$ 327

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 24/9

8:23 p.m.-11:52 p.m.

Nonstop6h 29m

San Francisco

Tue 14/10

7:54 p.m.-7:53 a.m.

1 stop8h 59m

C$ 341

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 24/9

6:02 a.m.-9:33 a.m.

Nonstop6h 31m

San Francisco

Sun 28/9

11:30 p.m.-8:17 a.m.

Nonstop5h 47m

C$ 342

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 14/10

8:01 a.m.-2:01 p.m.

1 stop9h 00m

San Francisco

Tue 14/10

5:16 p.m.-7:53 a.m.

1 stop11h 37m

C$ 346

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 30/8

6:45 p.m.-10:38 p.m.

Nonstop6h 53m

San Francisco

Sat 6/9

7:05 a.m.-3:55 p.m.

Nonstop5h 50m

C$ 360

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 27/9

6:40 p.m.-10:17 p.m.

Nonstop6h 37m

San Francisco

Wed 8/10

12:35 p.m.-9:15 p.m.

Nonstop5h 40m

C$ 361

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 28/8

8:25 a.m.-11:56 a.m.

Nonstop6h 31m

San Francisco

Mon 1/9

11:57 p.m.-10:35 a.m.

1 stop7h 38m

C$ 371

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 23/8

5:50 a.m.-12:25 p.m.

2 stops9h 35m

San Francisco

Tue 26/8

11:25 a.m.-10:30 p.m.

1 stop8h 05m

C$ 375

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 23/8

5:50 a.m.-12:25 p.m.

2 stops9h 35m

San Francisco

Tue 26/8

11:25 a.m.-10:30 p.m.

1 stop8h 05m

C$ 377

Flights are sorted by cheapest round-trip flights first.

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

Other information

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Boston is in September. Flight prices, which tend to average around C$ 429, are often lower during this time because this is during the off-season. The month of January is another great option to travel to San Francisco, with average flight prices from Boston averaging around C$ 457.

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 Friday. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 352. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,994.

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

Flying to San Francisco from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 393 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 748.

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 C$ 492 when searching weeks out. 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 C$ 448 on momondo.

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

There are 3 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.

Can stopping save me money on Boston to San Francisco flights?

You could potentially save up to 41% on your flight if you consider stops on a Boston to San Francisco flight.

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

As of July 2025, prices for Boston to San Francisco flights are approximately 24% cheaper 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 round-trip 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

Best price found	C$ 164
Fastest flight time	6h 28m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Boston in the past 72 hours is C$ 164. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is C$ 326.

The fastest flight from Boston to San Francisco takes 6h 28m

Direct flights go from Boston to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

How far is Boston Logan Intl to San Francisco by plane?
The distance between Boston Logan Intl and San Francisco is about 4329.4 km. A reasonable flight in good conditions will take 6h 29m.
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 are refreshed on a daily basis.
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 July 2025.
How old do you have to be to fly from Boston Logan Intl Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek 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 (28.64% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (25.89%), Airbus A318/A319/A320/A321 (15.97%), and Boeing 737 (14.86%).
What is the most popular airline from Boston to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Boston to San Francisco is JetBlue, representing 55% of all bookings. The subsequent popular airline is Delta at 45%.

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 C$ 205	Free Cancellation	Rating 8.0 7,980 reviews		Search Delta flights
JetBlue	PriceFrom C$ 271	Free Cancellation	Rating 7.2 2,913 reviews		Search JetBlue flights

Delta Flights From Boston to San Francisco
The lowest priced Delta flight from Boston to San Francisco from the last 72 hours was C$ 148. Generally, Delta has 11 flights on this route every week with an average price of C$ 255. Delta is rated 8.0/10 by our users.
JetBlue Flights From Boston to San Francisco
Across 2,913 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Boston to San Francisco about 10 times each week, with ticket deals ranging from C$ 196 to C$ 386. Price data is based on momondo searches in the last 72 hours.

San Mateo

Belmont

Los Altos

South San Francisco

Newark

San Bruno

Santa Cruz

Sunnyvale

Fremont

Turlock

Mountain View

Half Moon Bay

Mill Valley

Cupertino

Los Banos

Palo Alto

Pacifica

Carmel Valley

Berkeley

Roseville

Why use momondo?

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

It is quick and easy to find Boston to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. All flights to San Francisco from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Boston and alert you when they change.

An easier way to manage your San Francisco trip

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

Start using Trips

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Cheap flights from Boston to San Francisco from C$ 164

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 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boston to San Francisco

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets

Hawaiian Airlines flights from Boston to San Francisco

Our best Hawaiian 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

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

What is the cheapest month to fly to San Francisco?

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

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

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 3 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.

Can stopping save me money on Boston to San Francisco flights?

You could potentially save up to 41% on your flight if you consider stops on a Boston to San Francisco flight.

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

As of July 2025, prices for Boston to San Francisco flights are approximately 24% cheaper when compared to flights at the same time last year.

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

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

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

As of July 2025, 51 flights take off from Boston and land in San Francisco each day. The most common flight departure time for this route is 7:00a.m., with 47% of daily flights taking off at noon.

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

As of July 2025, 360 flights take off from Boston and land in San Francisco each week. The most common flight departure day for this route is Wed, with 17% of weekly flights 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

Best price found

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, organize 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