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Cheap flights from Boston to San Francisco from ₹ 11,896

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 25/12. 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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Alaska Airlines Logo
16:24 - 23:48BOS-SFO
10h 24m1 stop
Alaska Airlines Logo
07:00 - 15:37SFO-BOS
5h 37mdirect
₹ 18,241Alaska Airlines
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Thu, 11 Dec - Sun, 14 Dec
Alaska Airlines Logo
18:52 - 22:48BOS-SFO
6h 56mdirect
Alaska Airlines Logo
07:00 - 17:44SFO-BOS
7h 44m1 stop
₹ 18,593Alaska Airlines
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Thu, 4 Dec - Thu, 29 Jan
United Airlines Logo
17:57 - 21:50BOS-SFO
6h 53mdirect
United Airlines Logo
13:00 - 21:42SFO-BOS
5h 42mdirect
₹ 18,946United Airlines
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Mon, 19 Jan - Thu, 29 Jan
Delta Logo
17:40 - 21:44BOS-SFO
7h 04mdirect
Delta Logo
07:10 - 15:51SFO-BOS
5h 41mdirect
₹ 19,474Delta
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Tue, 6 Jan - Fri, 9 Jan
Southwest Logo
06:50 - 14:20BOS-SFO
10h 30m2 stops
Southwest Logo
09:50 - 22:30SFO-BOS
9h 40m1 stop
₹ 19,563Southwest
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Tue, 13 Jan - Wed, 21 Jan
United Airlines Logo
07:55 - 11:48BOS-SFO
6h 53mdirect
United Airlines Logo
12:55 - 23:57SFO-BOS
8h 02m1 stop
₹ 19,651United Airlines
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Wed, 11 Feb - Wed, 18 Feb
JetBlue Logo
17:00 - 00:24BOS-SFO
10h 24m1 stop
JetBlue Logo
20:45 - 07:41SFO-BOS
7h 56m1 stop
₹ 19,827JetBlue
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Mon, 12 Jan - Fri, 23 Jan
JetBlue Logo
10:15 - 14:01BOS-SFO
6h 46mdirect
JetBlue Logo
21:59 - 11:43SFO-BOS
10h 44m1 stop
₹ 20,003JetBlue
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Fri, 14 Nov - Tue, 18 Nov
Delta Logo
07:45 - 11:49BOS-SFO
7h 04mdirect
Delta Logo
07:00 - 15:45SFO-BOS
5h 45mdirect
₹ 20,708Delta
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Wed, 4 Feb - Thu, 12 Feb
Southwest Logo
17:00 - 22:30BOS-SFO
8h 30m1 stop
Southwest Logo
05:50 - 19:20SFO-BOS
10h 30m2 stops
₹ 23,440Southwest
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Wed, 3 Dec - Wed, 10 Dec

Delta flights from Boston to San Francisco

Our best Delta deals on Boston to San Francisco flight tickets
Delta
11 Nov
BOS07:25Boston Logan Intl
6h 58m
SFO11:23San Francisco
19 Nov
SFO07:00San Francisco
5h 34m
BOS15:34Boston Logan Intl
₹ 19,122
Find similar
Delta
6 Jan
BOS17:40Boston Logan Intl
7h 04m
SFO21:44San Francisco
9 Jan
SFO07:10San Francisco
5h 41m
BOS15:51Boston Logan Intl
₹ 19,474
Find similar
Delta
11 Nov
BOS07:25Boston Logan Intl
6h 58m
SFO11:23San Francisco
19 Nov
SFO07:00San Francisco
5h 34m
BOS15:34Boston Logan Intl
₹ 20,003
Find similar

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets
JetBlue
12 Jan
BOS17:00Boston Logan Intl
10h 24m
1 stop
SFO00:24San Francisco
23 Jan
SFO20:45San Francisco
7h 56m
1 stop
BOS07:41Boston Logan Intl
₹ 19,827
Find similar
JetBlue
14 Nov
BOS10:15Boston Logan Intl
6h 46m
SFO14:01San Francisco
18 Nov
SFO21:59San Francisco
10h 44m
1 stop
BOS11:43Boston Logan Intl
₹ 20,003
Find similar
JetBlue
2 Feb
BOS10:05Boston Logan Intl
10h 08m
1 stop
SFO17:13San Francisco
10 Feb
SFO12:15San Francisco
5h 38m
BOS20:53Boston Logan Intl
₹ 20,356
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momondo Fare Finder

 
Customise your flight search to find flights from Boston to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 28 October 2025.
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

Thu 11/12

16:24-23:48

1 stop10h 24m

San Francisco

Sun 14/12

07:00-15:37

Nonstop5h 37m

₹ 18,241

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 4/12

18:52-22:48

Nonstop6h 56m

San Francisco

Thu 29/1

07:00-17:44

1 stop7h 44m

₹ 18,593

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 19/1

17:57-21:50

Nonstop6h 53m

San Francisco

Thu 29/1

13:00-21:42

Nonstop5h 42m

₹ 18,946

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 6/1

17:40-21:44

Nonstop7h 04m

San Francisco

Fri 9/1

07:10-15:51

Nonstop5h 41m

₹ 19,474

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 13/1

06:50-14:20

2 stops10h 30m

San Francisco

Wed 21/1

09:50-22:30

1 stop9h 40m

₹ 19,563

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 11/2

07:55-11:48

Nonstop6h 53m

San Francisco

Wed 18/2

12:55-23:57

1 stop8h 02m

₹ 19,651

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 12/1

17:00-00:24

1 stop10h 24m

San Francisco

Fri 23/1

20:45-07:41

1 stop7h 56m

₹ 19,827

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 14/11

10:15-14:01

Nonstop6h 46m

San Francisco

Tue 18/11

21:59-11:43

1 stop10h 44m

₹ 20,003

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 4/2

07:45-11:49

Nonstop7h 04m

San Francisco

Thu 12/2

07:00-15:45

Nonstop5h 45m

₹ 20,708

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 3/12

17:00-22:30

1 stop8h 30m

San Francisco

Wed 10/12

05:50-19:20

2 stops10h 30m

₹ 23,440

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Boston and San Francisco?

What is the cheapest month to fly to San Francisco?

In general, January is the cheapest month to fly from Boston to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 29,256. If you aren’t able to travel to San Francisco 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 ₹ 29,256.

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 Saturday. Travellers who choose to depart for San Francisco on a Saturday will often find tickets for as low as ₹ 19,968. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around ₹ 50,666.

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

The cheapest time of day to fly to San Francisco is in the evening when flights can be purchased for as low as ₹ 21,700. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 49,488.

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 ₹ 32,127 when searching weeks before you fly. 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 ₹ 28,903 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.

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

As of October 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 return 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

Fastest flight time

6h 44m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Boston to San Francisco takes 6h 44m
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?

    There are 4329.4 km between Boston Logan Intl and San Francisco. Typically, this will take 6h 45m by plane in normal conditions.

  • 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 refresh daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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?

  • 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom ₹ 10,440Free CancellationRating
7.9
7,995 reviews
Search Delta flights
United AirlinesPriceFrom ₹ 14,942Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
JetBluePriceFrom ₹ 17,324Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights

  • Delta Flights From Boston to San Francisco

    Delta flies from Boston to San Francisco around 4 times per week, with 7,995 momondo users rating the airline 7.9/10. The cheapest Delta deal from Boston to San Francisco in the last 72 hours was ₹ 10,440 (round-trip), much lower than the average airfare cost of ₹ 23,220 for Delta flights on this route.

  • United Airlines Flights From Boston to San Francisco

    United Airlines is also a popular choice for this route. United Airlines flight deals for Boston to San Francisco start from as low as ₹ 14,942 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around ₹ 31,632. United Airlines operates 18 flights to San Francisco from Boston in an average week. Users have rated it 7.4/10 across 8,996 reviews.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Menlo Park
Davis
Santa Clara
Palo Alto
San Mateo
Gilroy
South San Francisco
Rancho Cordova
Belmont
Roseville
Bodega Bay
Woodland
Cupertino
Daly City
Sunnyvale
Fremont
Calistoga

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Boston.

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

Yes. momondo enables you to select and highlight flights to San Francisco from Boston with this policy.

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

momondo helps you find the best flight between Boston and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to San Francisco from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

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