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

127 flights are operational weekly from Boston to San Francisco Bay Area as of March 2026. The most popular departure day for this route is Tue, with 26% 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 39% 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.

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

JetBlue, Frontier, and Delta are the most popular carriers operating from Boston Logan Intl to San Francisco Bay Area

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

As of March 2026, there are 18 flights per day flying from Boston to San Francisco Bay Area. The most common time of day flights depart is 5:00PM, with 44% of flights taking off at noon.

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 March 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.

$112 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.

6:00 am - 5:34 pm

BOS

SFO

14h 34m

1 stop

10:38 pm - 12:10 pm

SFO

BOS

10h 32m

1 stop

$221Frontier

Wed, Apr 22 - Tue, Apr 28

8:19 pm - 11:59 pm

BOS

SFO

6h 40mnonstop

10:38 pm - 11:45 am

SFO

BOS

10h 07m

1 stop

$224Multiple Airlines

Wed, Apr 29 - Thu, May 7

11:51 am - 7:14 pm

BOS

SFO

10h 23m

1 stop

10:38 pm - 11:41 am

SFO

BOS

10h 03m

1 stop

$225Frontier

Wed, Mar 18 - Mon, Mar 23

6:00 am - 5:34 pm

BOS

SFO

14h 34m

1 stop

3:10 pm - 11:58 pm

SFO

BOS

5h 48mnonstop

$229Multiple Airlines

Fri, Apr 24 - Wed, Apr 29

7:10 am - 11:10 am

BOS

SFO

7h 00mnonstop

10:00 pm - 6:40 am

SFO

BOS

5h 40mnonstop

$233JetBlue

Tue, Mar 24 - Tue, Mar 31

6:40 pm - 9:45 am

BOS

SJC

18h 05m

1 stop

7:06 am - 5:44 am

SJC

BOS

19h 38m

1 stop

$254Alaska Airlines

Wed, May 13 - Mon, May 18

12:07 pm - 10:59 pm

BOS

SJC

13h 52m

2 stops

8:45 am - 8:13 pm

SJC

BOS

8h 28m

1 stop

$256United Airlines

Wed, Mar 25 - Wed, Apr 8

12:45 pm - 9:33 pm

BOS

SJC

11h 48m

1 stop

9:15 am - 9:22 pm

SJC

BOS

9h 07m

1 stop

$257Delta

Tue, Mar 24 - Tue, Mar 31

4:33 pm - 1:50 pm

BOS

SJC

24h 17m

1 stop

6:15 am - 11:59 pm

SJC

BOS

14h 44m

1 stop

$264Alaska Airlines

Fri, May 1 - Mon, May 4

7:10 am - 2:57 pm

BOS

SJC

10h 47m

1 stop

6:20 am - 7:34 pm

SJC

BOS

10h 14m

1 stop

$270Delta

Thu, Mar 26 - Wed, Apr 8

JetBlue flights from Boston to San Francisco Bay Area

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

JetBlue

Mar 24

BOS7:10 amBoston Logan Intl

7h 00m

SFO11:10 amSan Francisco

Mar 31

SFO10:00 pmSan Francisco

5h 40m

BOS6:40 amBoston Logan Intl

$233

JetBlue

Apr 1

BOS9:15 pmBoston Logan Intl

6h 44m

SFO12:59 amSan Francisco

Apr 8

SFO10:00 pmSan Francisco

5h 40m

BOS6:40 amBoston Logan Intl

$238

JetBlue

Apr 2

BOS9:15 pmBoston Logan Intl

6h 44m

SFO12:59 amSan Francisco

Apr 8

SFO10:00 pmSan Francisco

5h 40m

BOS6:40 amBoston Logan Intl

$248

Delta flights from Boston to San Francisco Bay Area

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

Delta

Mar 24

BOS7:40 amBoston Logan Intl

6h 58m

SFO11:38 amSan Francisco

Apr 1

SFO1:00 pmSan Francisco

5h 39m

BOS9:39 pmBoston Logan Intl

$237

Delta

Apr 7

BOS7:40 amBoston Logan Intl

6h 58m

SFO11:38 amSan Francisco

Apr 28

SFO10:30 pmSan Francisco

5h 55m

BOS7:25 amBoston Logan Intl

$247

Delta

Mar 24

BOS7:30 amBoston Logan Intl

12h 58m

1 stop

SFO5:28 pmSan Francisco

Apr 1

SFO1:00 pmSan Francisco

5h 39m

BOS9:39 pmBoston Logan Intl

$256

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

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 4/22

6:00 am-5:34 pm

1 stop14h 34m

San Francisco

Tue 4/28

10:38 pm-12:10 pm

1 stop10h 32m

$221

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 4/29

8:19 pm-11:59 pm

Nonstop6h 40m

San Francisco

Thu 5/7

10:38 pm-11:45 am

1 stop10h 07m

$224

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 3/18

11:51 am-7:14 pm

1 stop10h 23m

San Francisco

Mon 3/23

10:38 pm-11:41 am

1 stop10h 03m

$225

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 4/24

6:00 am-5:34 pm

1 stop14h 34m

San Francisco

Wed 4/29

3:10 pm-11:58 pm

Nonstop5h 48m

$229

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 3/24

7:10 am-11:10 am

Nonstop7h 00m

San Francisco

Tue 3/31

10:00 pm-6:40 am

Nonstop5h 40m

$233

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Wed 5/13

6:40 pm-9:45 am

1 stop18h 05m

San Jose

Mon 5/18

7:06 am-5:44 am

1 stop19h 38m

$254

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Wed 3/25

12:07 pm-10:59 pm

2 stops13h 52m

San Jose

Wed 4/8

8:45 am-8:13 pm

1 stop8h 28m

$256

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Tue 3/24

12:45 pm-9:33 pm

1 stop11h 48m

San Jose

Tue 3/31

9:15 am-9:22 pm

1 stop9h 07m

$257

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Fri 5/1

4:33 pm-1:50 pm

1 stop24h 17m

San Jose

Mon 5/4

6:15 am-11:59 pm

1 stop14h 44m

$264

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Thu 3/26

7:10 am-2:57 pm

1 stop10h 47m

San Jose

Wed 4/8

6:20 am-7:34 pm

1 stop10h 14m

$270

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, September 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 $337. If you aren’t able to travel to San Francisco Bay Area during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $338.

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 $385. 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 $549.

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 $335. In contrast, the most expensive time of day to depart to San Francisco Bay Area is at noon when prices are around $497.

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 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 $373 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 $288 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl 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

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 March 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 A321-100/200 (11.91% of total bookings). The next most popular plane models are Airbus A321neo (11.77%), Airbus A220-300 (11.44%), and Airbus A320-100/200 (10.58%).

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
Frontier	PriceFrom $119	Free Cancellation	Rating 5.7 3,041 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $129	Free Cancellation	Rating 7.8 2,836 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $151	Free Cancellation	Rating 7.9 8,242 reviews	Search Delta flights
Southwest	PriceFrom $153	Free Cancellation	Rating 8.0 4,303 reviews	Search Southwest flights
JetBlue	PriceFrom $160	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 11,978 reviews	Search Alaska Airlines flights
Sun Country Air	PriceFrom $207	Free Cancellation	Rating 6.8 340 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $224	Free Cancellation	Rating 7.4 9,378 reviews	Search United Airlines flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,376 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.