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

287 flights are operational weekly from Boston to San Francisco Bay Area as of June 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

What airlines fly to San Francisco Bay Area?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to San Francisco Bay Area from Boston according to our data. JetBlue is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Francisco Bay Area. Keep in mind that there are 9 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, there are 41 flights per day flying from Boston to San Francisco Bay Area. The most common time of day flights depart is 7:00AM, with 51% of flights taking off at noon.

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

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Boston Logan Intl to San Francisco Bay Area

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

Prices for flights from Boston Logan Intl Airport to San Francisco Bay Area are refreshed on a daily basis.

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

As of June 2026, there are 9 operators available to choose from for flights from Boston Logan Intl Airport to San Francisco Bay Area.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to San Francisco Bay Area.

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

The required travel and health documents for your San Francisco Bay Area trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Bay Area. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$153 Cheap Flights from Boston to San Francisco Bay Area in 2026

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Find the cheapest flights from Boston to San Francisco Bay Area

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 8:55 pm

BOS

SJC

10h 55m

1 stop

5:00 pm - 6:00 am

SJC

BOS

10h 00m

1 stop

$213Southwest

Sat, Sep 12 - Tue, Sep 15

8:40 am - 6:25 pm

BOS

SJC

12h 45m

2 stops

5:00 pm - 6:00 am

SJC

BOS

10h 00m

1 stop

$219Southwest

Sat, Sep 12 - Tue, Sep 15

8:40 am - 6:25 pm

BOS

SJC

12h 45m

2 stops

10:55 am - 12:05 am

SJC

BOS

10h 10m

2 stops

$249Southwest

Sat, Sep 12 - Tue, Sep 15

6:30 am - 12:53 pm

BOS

SJC

9h 23m

1 stop

5:05 pm - 6:30 am

SJC

BOS

10h 25m

1 stop

$257Delta

Wed, Sep 9 - Tue, Sep 15

2:28 pm - 10:50 pm

BOS

SJC

11h 22m

2 stops

6:37 pm - 5:59 am

SJC

BOS

8h 22m

1 stop

$262United Airlines

Tue, Sep 1 - Fri, Sep 11

6:30 am - 12:53 pm

BOS

SJC

9h 23m

1 stop

5:05 pm - 6:30 am

SJC

BOS

10h 25m

1 stop

$266Delta

Thu, Sep 10 - Sat, Oct 3

11:35 am - 3:02 pm

BOS

SFO

6h 27mnonstop

6:56 pm - 5:58 am

SFO

BOS

8h 02m

1 stop

$317United Airlines

Tue, Jun 30 - Tue, Jul 7

6:35 am - 10:05 am

BOS

SFO

6h 30mnonstop

11:58 pm - 8:40 am

SFO

BOS

5h 42mnonstop

$319JetBlue

Sat, Jul 11 - Mon, Jul 20

8:28 am - 2:10 pm

BOS

OAK

8h 42m

1 stop

6:49 am - 5:40 am

OAK

BOS

19h 51m

1 stop

$337Alaska Airlines

Tue, Jun 16 - Sat, Jul 18

4:33 pm - 10:41 pm

BOS

OAK

9h 08m

1 stop

2:50 pm - 5:40 am

OAK

BOS

11h 50m

1 stop

$347Alaska Airlines

Thu, Aug 13 - Mon, Aug 17

JetBlue flights from Boston to San Francisco Bay Area

Our best JetBlue deals on Boston to San Francisco Bay Area flight tickets

JetBlue

Jul 11

BOS6:35 amBoston Logan Intl

6h 30m

SFO10:05 amSan Francisco

Jul 20

SFO11:58 pmSan Francisco

5h 42m

BOS8:40 amBoston Logan Intl

$319

JetBlue

Jul 16

BOS8:55 pmBoston Logan Intl

6h 35m

SFO12:30 amSan Francisco

Aug 4

SFO11:58 pmSan Francisco

5h 42m

BOS8:40 amBoston Logan Intl

$322

JetBlue

Jun 16

BOS6:35 amBoston Logan Intl

6h 33m

SFO10:08 amSan Francisco

Jun 16

SFO3:19 pmSan Francisco

5h 40m

BOS11:59 pmBoston Logan Intl

$332

Frontier flights from Boston to San Francisco Bay Area

Our best Frontier deals on Boston to San Francisco Bay Area flight tickets

Frontier

Sep 13

BOS11:28 amBoston Logan Intl

9h 52m

1 stop

SFO6:20 pmSan Francisco

Sep 17

SFO10:48 pmSan Francisco

10h 17m

1 stop

BOS12:05 pmBoston Logan Intl

$321

Frontier

Jun 16

BOS9:10 amBoston Logan Intl

13h 45m

1 stop

SFO7:55 pmSan Francisco

Jul 4

SFO10:10 pmSan Francisco

9h 47m

1 stop

BOS10:57 amBoston Logan Intl

$331

Frontier

Jul 2

BOS9:10 amBoston Logan Intl

13h 16m

1 stop

SFO7:26 pmSan Francisco

Jul 6

SFO11:00 pmSan Francisco

8h 57m

1 stop

BOS10:57 amBoston Logan Intl

$338

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Sat 9/12

1:00 pm-8:55 pm

1 stop10h 55m

San Jose

Tue 9/15

5:00 pm-6:00 am

1 stop10h 00m

$213

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Sat 9/12

8:40 am-6:25 pm

2 stops12h 45m

San Jose

Tue 9/15

5:00 pm-6:00 am

1 stop10h 00m

$219

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Sat 9/12

8:40 am-6:25 pm

2 stops12h 45m

San Jose

Tue 9/15

10:55 am-12:05 am

2 stops10h 10m

$249

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Wed 9/9

6:30 am-12:53 pm

1 stop9h 23m

San Jose

Tue 9/15

5:05 pm-6:30 am

1 stop10h 25m

$257

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Tue 9/1

2:28 pm-10:50 pm

2 stops11h 22m

San Jose

Fri 9/11

6:37 pm-5:59 am

1 stop8h 22m

$262

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Thu 9/10

6:30 am-12:53 pm

1 stop9h 23m

San Jose

Sat 10/3

5:05 pm-6:30 am

1 stop10h 25m

$266

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 6/30

11:35 am-3:02 pm

Nonstop6h 27m

San Francisco

Tue 7/7

6:56 pm-5:58 am

1 stop8h 02m

$317

Quickest round-trip

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 7/11

6:35 am-10:05 am

Nonstop6h 30m

San Francisco

Mon 7/20

11:58 pm-8:40 am

Nonstop5h 42m

$319

BostonOakland

BOS - OAK

BOSOAK

Boston Logan Intl

Tue 6/16

8:28 am-2:10 pm

1 stop8h 42m

Oakland

Sat 7/18

6:49 am-5:40 am

1 stop19h 51m

$337

BostonOakland

BOS - OAK

BOSOAK

Boston Logan Intl

Thu 8/13

4:33 pm-10:41 pm

1 stop9h 08m

Oakland

Mon 8/17

2:50 pm-5:40 am

1 stop11h 50m

$347

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 Bay Area

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 Bay Area?

In general, January is the cheapest month to fly from Boston to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $308. If you aren’t able to travel to San Francisco Bay Area during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $322.

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

On average, the least expensive day to fly to San Francisco Bay Area from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $406. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $576.

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

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is in the evening. Flights from Boston to San Francisco Bay Area during this time can be as low as $358. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the afternoon when prices are around $503.

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

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

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

You are more likely to see cheaper flights to San Francisco Bay Area from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Boston for as low as $295 on momondo.

What cabin class options are available on Boston to San Francisco Bay Area flights?

There are 4 cabin classes available to choose from on Boston to San Francisco Bay Area 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 Bay Area flights?

No. A direct flight is the cheapest option for a flight between Boston to San Francisco Bay Area.

Cheap Boston to San Francisco Bay Area flight deals and tips

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

Fastest flight time	6h 27m
Direct flights	Every day
Airports in San Francisco Bay Area	6 airports

The fastest flight from Boston to San Francisco Bay Area takes 6h 27m

Direct flights go from Boston to San Francisco Bay Area every day.

There are 6 airports in San Francisco Bay Area. From Boston there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Boston to San Francisco Bay Area

When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Bay Area?
Prices for flights from Boston Logan Intl Airport to San Francisco Bay Area are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Bay Area?
As of June 2026, there are 9 operators available to choose from for flights from Boston Logan Intl Airport to San Francisco Bay Area.
How old do you have to be to fly from Boston Logan Intl Airport to San Francisco Bay Area?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The required travel and health documents for your San Francisco Bay Area trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Bay Area. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Boston to San Francisco Bay Area?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to San Francisco Bay Area is Airbus A321neo (11.83% of total bookings). The next most popular plane models are Airbus A220-300 (11.62%), Airbus A321-100/200 (8.40%), and Airbus A320-100/200 (8.38%).

Best airlines flying from Boston to San Francisco Bay Area

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

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $118	Free Cancellation	Rating 7.8 2,833 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $125	Free Cancellation	Rating 5.6 2,922 reviews	Search Frontier flights
JetBlue	PriceFrom $138	Free Cancellation	Rating 7.1 2,981 reviews	Search JetBlue flights
Southwest	PriceFrom $153	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 8,397 reviews	Search Delta flights
Alaska Airlines	PriceFrom $159	Free Cancellation	Rating 7.9 12,459 reviews	Search Alaska Airlines flights
Sun Country Air	PriceFrom $207	Free Cancellation	Rating 6.8 333 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $235	Free Cancellation	Rating 7.4 9,775 reviews	Search United Airlines flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to San Francisco Bay Area. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to San Francisco Bay Area 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 Bay Area?

Once you have performed a search for Boston to San Francisco Bay Area flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Boston to San Francisco Bay Area flights. All you need is a valid email address and we will do the rest; it is that quick and easy.