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

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

Which layover airport offers the lowest fares from Boston to San Francisco?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $247.

What airlines fly to San Francisco?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to San Francisco from Boston according to our data. JetBlue is the first choice among our users, with 38% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 10 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boston and San Francisco?

Denver (DEN) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Boston to San Francisco?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 8h 56m.

Which layover airport has the shortest connection time from Boston to San Francisco?

Phoenix (PHX) has the shortest average layover time for this route: 0h 55m.

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

As of September 2025, there are 46 flights per day flying from Boston to San Francisco. The most common time of day flights depart is 8:00PM, with 37% of flights taking off at noon.

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

The number of flights available between Boston and San Francisco is 324 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Which airlines fly direct from Boston to San Francisco?

In Boston, flights to San Francisco depart at Logan International Airport (BOS) and Manchester Regional Airport (MHT). The flights then land at San Francisco International Airport (SFO), Oakland Airport (OAK), and San Jose Airport (SJC). This route is served by at least six airlines, including Alaska, American, Delta, JetBlue, Spirit, and United Airlines. In case you want to fly directly, you’ll be happy to hear that all the airlines offer direct flights. Note that direct flights are only available at BOS. In case you want to travel aboard one, book your ticket the earliest you can, given that the demand for these flights is ever high. The airlines also offer one and two-stop options. If you intend to travel aboard such a flight, your stopover destination(s) will be dependent on your airline, since the different airlines that ply this route stopover at different destinations. Some of the notable layover airports for flights to San Francisco from Boston include Atlanta (ATL), Dallas (DFW), Houston (IAH), Chicago (MDW), and Las Vegas (LAS). What is the best way to get in and out of airports in Boston and San Francisco? To travel to Logan International Airport (BOS), you can take an MBTA Blue Line subway, a taxi, a water ferry, or a Logan Express Bus. Taking the MBTA Blue Line subway is the best way to get to this airport since it is the most economical. To travel to Manchester Regional Airport (MHT), you can take a bus or a taxi. Taking a bus is advisable if you’re in a rush while taking a taxi is recommended if you’re in a rush. Alternatively, you can travel to BOS or MHT using your car. You can find a secure parking spot at either since they feature several long-term and extended stay, short-term, and economy rate parking spots you can take advantage of. In San Francisco, the most suitable option for traveling to the city will depend on your arrival airport. In case you land at San Francisco International Airport (SFO) or Oakland Airport (OAK), the best way is via a Bart subway. On the other hand, if you land at San Jose Airport (SJC), the most efficient way is via the VTA Line 60 shuttle bus to the Santa Clara CalTrain station. At this station, you can catch a train into the city center. What are the benefits of the different airports in Boston and San Francisco? Logan International Airport (BOS), Manchester Regional Airport (MHT), San Francisco International Airport (SFO), Oakland Airport (OAK), and San Jose Airport (SJC) have all invested in their amenities. At any, you’ll find lounges, nursing rooms, prayer rooms, children’s play areas, information desks, handicapped toilets, and staff trained on how to offer special assistance to guests with disabilities. Each of the airports has its advantages. Apart from being the closest to the destinations and the only ones serving direct flights, BOS and SFO offer the cheapest flights on the route. MHT, OAK, and SJC face lesser passenger traffic than BOS and SFO. Thus, at MHT, you will have an easier time checking in and boarding your flight, while at OAK or SJC, you will have an easier time checking out. Between OAK and SJC, OAK is the better option simply because it is closer to San Francisco. Which cities can you get to from San Francisco International Airport? Depending on your means of transportation, there are several towns you can get to from San Francisco International Airport (SFO). For instance, if you board a BART train, you can get to northern San Mateo County and the East Bay directly, while if you board a Caltrain commuter rail, you can get to Millbrae, Palo Alto, Gilroy, and San Jose. If you rent a car, you can enjoy a road trip to San Bruno, Tanforan, Burlingame, Brisbane, Westborough, and San Mateo. Renting a car at this airport is quite easy simply because it has a Rental Car Center. This center, accessible via the AirTrain Blue Line, is home to agencies like Alamo, Sixt, Avis, National, Budget, Dollar, Enterprise, Hertz, and Thrifty.

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 updated daily.

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

As of September 2025, there are 9 operators available to choose from 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?

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 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.

$130 Cheap Flights from Boston to San Francisco in 2025/26

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Find the cheapest flights from Boston to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:55 am - 9:11 pmBOS-SFO

14h 16m1 stop

10:23 pm - 10:48 amSFO-BOS

9h 25m1 stop

$221Frontier

Find Deal

Mon, Nov 10 - Fri, Nov 14

11:43 am - 9:11 pmBOS-SFO

12h 28m1 stop

10:23 pm - 9:00 amSFO-BOS

31h 37m1 stop

$222Frontier

Find Deal

Sat, Nov 8 - Sat, Nov 15

9:50 am - 9:23 pmBOS-SFO

14h 33m1 stop

10:23 pm - 8:55 amSFO-BOS

31h 32m1 stop

$230Frontier

Find Deal

Thu, Oct 23 - Fri, Oct 24

9:50 am - 9:23 pmBOS-SFO

14h 33m1 stop

10:23 pm - 8:55 amSFO-BOS

31h 32m1 stop

$232Frontier

Find Deal

Thu, Oct 9 - Fri, Oct 10

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

7:11 am - 4:00 pmSFO-BOS

5h 49mnonstop

$252Alaska Airlines

Find Deal

Fri, Oct 17 - Sat, Oct 25

7:10 am - 11:00 amBOS-SFO

6h 50mnonstop

9:10 pm - 5:44 amSFO-BOS

5h 34mnonstop

$257JetBlue

Find Deal

Fri, Oct 31 - Fri, Oct 31

8:25 pm - 12:05 amBOS-SFO

6h 40mnonstop

7:11 am - 4:00 pmSFO-BOS

5h 49mnonstop

$261Alaska Airlines

Find Deal

Wed, Oct 22 - Sat, Oct 25

8:45 pm - 12:34 amBOS-SFO

6h 49mnonstop

8:30 pm - 5:01 amSFO-BOS

5h 31mnonstop

$262JetBlue

Find Deal

Tue, Feb 3 - Tue, Feb 10

7:08 pm - 12:55 amBOS-SFO

8h 47m1 stop

9:20 pm - 6:07 amSFO-BOS

5h 47mnonstop

$289United Airlines

Find Deal

Fri, Oct 17 - Sun, Oct 19

7:55 pm - 11:41 pmBOS-SFO

6h 46mnonstop

7:00 am - 3:42 pmSFO-BOS

5h 42mnonstop

$292Delta

Find Deal

Fri, Oct 17 - Sat, Oct 25

Frontier flights from Boston to San Francisco

Our best Frontier deals on Boston to San Francisco flight tickets

Frontier

Nov 10

BOS9:55 amBoston Logan Intl

14h 16m

1 stop

SFO9:11 pmSan Francisco

Nov 14

SFO10:23 pmSan Francisco

9h 25m

1 stop

BOS10:48 amBoston Logan Intl

$221

Find similar

Frontier

Nov 8

BOS11:43 amBoston Logan Intl

12h 28m

1 stop

SFO9:11 pmSan Francisco

Nov 15

SFO10:23 pmSan Francisco

31h 37m

1 stop

BOS9:00 amBoston Logan Intl

$222

Find similar

Frontier

Oct 23

BOS9:50 amBoston Logan Intl

14h 33m

1 stop

SFO9:23 pmSan Francisco

Oct 24

SFO10:23 pmSan Francisco

31h 32m

1 stop

BOS8:55 amBoston Logan Intl

$230

Find similar

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets

JetBlue

Oct 31

BOS7:10 amBoston Logan Intl

6h 50m

SFO11:00 amSan Francisco

Oct 31

SFO9:10 pmSan Francisco

5h 34m

BOS5:44 amBoston Logan Intl

$257

Find similar

JetBlue

Feb 3

BOS8:45 pmBoston Logan Intl

6h 49m

SFO12:34 amSan Francisco

Feb 10

SFO8:30 pmSan Francisco

5h 31m

BOS5:01 amBoston Logan Intl

$262

Find similar

JetBlue

Oct 17

BOS8:15 pmBoston Logan Intl

7h 00m

SFO12:15 amSan Francisco

Oct 25

SFO8:41 amSan Francisco

5h 58m

BOS5:39 pmBoston Logan Intl

$264

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 11/10

9:55 am-9:11 pm

1 stop14h 16m

San Francisco

Fri 11/14

10:23 pm-10:48 am

1 stop9h 25m

$221

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 11/8

11:43 am-9:11 pm

1 stop12h 28m

San Francisco

Sat 11/15

10:23 pm-9:00 am

1 stop31h 37m

$222

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 10/23

9:50 am-9:23 pm

1 stop14h 33m

San Francisco

Fri 10/24

10:23 pm-8:55 am

1 stop31h 32m

$230

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 10/9

9:50 am-9:23 pm

1 stop14h 33m

San Francisco

Fri 10/10

10:23 pm-8:55 am

1 stop31h 32m

$232

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 10/17

8:25 pm-12:05 am

Nonstop6h 40m

San Francisco

Sat 10/25

7:11 am-4:00 pm

Nonstop5h 49m

$252

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 10/31

7:10 am-11:00 am

Nonstop6h 50m

San Francisco

Fri 10/31

9:10 pm-5:44 am

Nonstop5h 34m

$257

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 10/22

8:25 pm-12:05 am

Nonstop6h 40m

San Francisco

Sat 10/25

7:11 am-4:00 pm

Nonstop5h 49m

$261

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 2/3

8:45 pm-12:34 am

Nonstop6h 49m

San Francisco

Tue 2/10

8:30 pm-5:01 am

Nonstop5h 31m

$262

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 10/17

7:08 pm-12:55 am

1 stop8h 47m

San Francisco

Sun 10/19

9:20 pm-6:07 am

Nonstop5h 47m

$289

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 10/17

7:55 pm-11:41 pm

Nonstop6h 46m

San Francisco

Sat 10/25

7:00 am-3:42 pm

Nonstop5h 42m

$292

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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

Layovers

Other information

What is the cheapest month to fly to San Francisco?

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 $336.

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 when prices can be found for as low as $376. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $544.

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

Our data shows that the cheapest Boston to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $336. Flights at noon are often more expensive with an average ticket price of $541.

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 $360 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 $327 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.

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

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

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

As of September 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 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	$170
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 $170. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is $278.

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 straight-line distance from Boston Logan Intl to San Francisco is 2690.2 mi. In terms of flight time, this usually takes a little over 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 updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?
As of September 2025, there are 9 operators available to choose from 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?
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 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?
momondo data reveals that the most frequently booked plane model on the route from Boston to San Francisco is Airbus A321neo, representing 28.48% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 26.73%, Airbus A318/A319/A320/A321 at 16.68%, and Boeing 737 at 12.56%.
What is the most popular airline from Boston to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to San Francisco is JetBlue (38% of total bookings). The next most popular airlines are United Airlines (27%), Delta (24%), and Alaska Airlines (6%).

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
Frontier	PriceFrom $84	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $129	Free Cancellation	Rating 7.8 2,729 reviews	Search Hawaiian Airlines flights
Sun Country Air	PriceFrom $150	Free Cancellation	Rating 6.9 330 reviews	Search Sun Country Air flights
Southwest	PriceFrom $153	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Delta	PriceFrom $181	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
JetBlue	PriceFrom $197	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
United Airlines	PriceFrom $227	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $229	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $239	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Alaska Airlines Flights From Boston to San Francisco
The lowest priced Alaska Airlines flight from Boston to San Francisco from the last 72 hours was $229. Generally, Alaska Airlines has 1 flight on this route every week with an average price of $376. Alaska Airlines is rated 8.0/10 by our users.
Delta Flights From Boston to San Francisco
The best Delta deal for Boston to San Francisco flight tickets found on momondo in the last 72 hours was $181, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $363 round-trip. Delta operates 13 flights out of Boston into San Francisco in an average week, so prices vary by time and availability. 7,961 Delta reviews by users on momondo have scored the airline at 7.9/10.

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Modesto

Sonoma

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Roseville

Hayward

Big Sur

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Daly City

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Berkeley

Half Moon Bay

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Vallejo

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Fairfield

Why use momondo?

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

Finding the right flight to San Francisco from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

All flight searches from Boston to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Boston to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 not ready to book a flight from Boston to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

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Cheap flights from Boston to San Francisco from $130

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 11/15. 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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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?

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 $336.

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 when prices can be found for as low as $376. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $544.

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

Our data shows that the cheapest Boston to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $336. Flights at noon are often more expensive with an average ticket price of $541.

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.

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

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

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

As of September 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?

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

What airlines fly to San Francisco?

Which airport is the most popular layover for flights between Boston and San Francisco?

Denver (DEN) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to San Francisco?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $247.

Which layover airport has the shortest travel time from Boston to San Francisco?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 8h 56m.

Which layover airport has the shortest connection time from Boston to San Francisco?

Phoenix (PHX) has the shortest average layover time for this route: 0h 55m.

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

As of September 2025, there are 46 flights per day flying from Boston to San Francisco. The most common time of day flights depart is 8:00PM, with 37% of flights taking off at noon.

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

The number of flights available between Boston and San Francisco is 324 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving 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

Alaska Airlines Flights From Boston to San Francisco

Delta Flights From Boston to San Francisco

Traveling 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.