Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to San Francisco from ₹ 10,946

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 14/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to San Francisco

Cheap return flights

Southwest Logo
05:40 - 13:25BOS-SFO
10h 45m1 stop
Southwest Logo
06:00 - 16:55SFO-BOS
7h 55m1 stop
₹ 18,979Southwest
Find Deal
Tue, 30 Sep - Sat, 4 Oct
Southwest Logo
05:15 - 12:10BOS-SFO
9h 55m1 stop
Southwest Logo
21:25 - 09:40SFO-BOS
9h 15m1 stop
₹ 19,421Southwest
Find Deal
Fri, 31 Oct - Tue, 4 Nov
Southwest Logo
14:10 - 21:15BOS-SFO
10h 05m2 stops
Southwest Logo
12:50 - 23:40SFO-BOS
7h 50m1 stop
₹ 19,509Southwest
Find Deal
Wed, 12 Nov - Fri, 14 Nov
Southwest Logo
06:50 - 14:20BOS-SFO
10h 30m1 stop
Southwest Logo
21:25 - 08:15SFO-BOS
7h 50m1 stop
₹ 19,597Southwest
Find Deal
Thu, 6 Nov - Tue, 11 Nov
Southwest Logo
06:55 - 12:00BOS-SFO
8h 05m1 stop
Southwest Logo
21:25 - 08:15SFO-BOS
7h 50m1 stop
₹ 19,774Southwest
Find Deal
Thu, 30 Oct - Mon, 3 Nov
Southwest Logo
14:40 - 22:20BOS-SFO
10h 40m2 stops
Southwest Logo
05:50 - 16:30SFO-BOS
7h 40m1 stop
₹ 19,862Southwest
Find Deal
Tue, 13 Jan - Fri, 16 Jan
Hawaiian Airlines Logo
20:25 - 00:05BOS-SFO
6h 40mdirect
Hawaiian Airlines Logo
07:11 - 16:00SFO-BOS
5h 49mdirect
₹ 24,629Hawaiian Airlines
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Alaska Airlines Logo
16:24 - 08:06BOS-SFO
18h 42m1 stop
Alaska Airlines Logo
07:00 - 15:37SFO-BOS
5h 37mdirect
₹ 24,806Alaska Airlines
Find Deal
Wed, 10 Dec - Fri, 12 Dec
Alaska Airlines Logo
18:43 - 10:22BOS-SFO
18h 39m1 stop
Alaska Airlines Logo
09:00 - 00:20SFO-BOS
12h 20m1 stop
₹ 24,982Alaska Airlines
Find Deal
Tue, 21 Oct - Tue, 4 Nov
Alaska Airlines Logo
20:25 - 00:05BOS-SFO
6h 40mdirect
Alaska Airlines Logo
09:00 - 00:20SFO-BOS
12h 20m1 stop
₹ 25,070Alaska Airlines
Find Deal
Sat, 25 Oct - Wed, 29 Oct

Southwest flights from Boston to San Francisco

Our best Southwest deals on Boston to San Francisco flight tickets
Southwest
30 Sept
BOS05:40Boston Logan Intl
10h 45m
1 stop
SFO13:25San Francisco
4 Oct
SFO06:00San Francisco
7h 55m
1 stop
BOS16:55Boston Logan Intl
₹ 18,979
Find similar
Southwest
31 Oct
BOS05:15Boston Logan Intl
9h 55m
1 stop
SFO12:10San Francisco
4 Nov
SFO21:25San Francisco
9h 15m
1 stop
BOS09:40Boston Logan Intl
₹ 19,421
Find similar
Southwest
12 Nov
BOS14:10Boston Logan Intl
10h 05m
2 stops
SFO21:15San Francisco
14 Nov
SFO12:50San Francisco
7h 50m
1 stop
BOS23:40Boston Logan Intl
₹ 19,509
Find similar

Alaska Airlines flights from Boston to San Francisco

Our best Alaska Airlines deals on Boston to San Francisco flight tickets
Alaska Airlines
10 Dec
BOS16:24Boston Logan Intl
18h 42m
1 stop
SFO08:06San Francisco
12 Dec
SFO07:00San Francisco
5h 37m
BOS15:37Boston Logan Intl
₹ 24,806
Find similar
Alaska Airlines
21 Oct
BOS18:43Boston Logan Intl
18h 39m
1 stop
SFO10:22San Francisco
4 Nov
SFO09:00San Francisco
12h 20m
1 stop
BOS00:20Boston Logan Intl
₹ 24,982
Find similar
Alaska Airlines
25 Oct
BOS20:25Boston Logan Intl
6h 40m
SFO00:05San Francisco
29 Oct
SFO09:00San Francisco
12h 20m
1 stop
BOS00:20Boston Logan Intl
₹ 25,070
Find similar

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 14 September 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

Tue 30/9

05:40-13:25

1 stop10h 45m

San Francisco

Sat 4/10

06:00-16:55

1 stop7h 55m

₹ 18,979

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 31/10

05:15-12:10

1 stop9h 55m

San Francisco

Tue 4/11

21:25-09:40

1 stop9h 15m

₹ 19,421

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 12/11

14:10-21:15

2 stops10h 05m

San Francisco

Fri 14/11

12:50-23:40

1 stop7h 50m

₹ 19,509

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 6/11

06:50-14:20

1 stop10h 30m

San Francisco

Tue 11/11

21:25-08:15

1 stop7h 50m

₹ 19,597

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 30/10

06:55-12:00

1 stop8h 05m

San Francisco

Mon 3/11

21:25-08:15

1 stop7h 50m

₹ 19,774

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 13/1

14:40-22:20

2 stops10h 40m

San Francisco

Fri 16/1

05:50-16:30

1 stop7h 40m

₹ 19,862

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 16/10

20:25-00:05

Nonstop6h 40m

San Francisco

Wed 22/10

07:11-16:00

Nonstop5h 49m

₹ 24,629

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 10/12

16:24-08:06

1 stop18h 42m

San Francisco

Fri 12/12

07:00-15:37

Nonstop5h 37m

₹ 24,806

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 21/10

18:43-10:22

1 stop18h 39m

San Francisco

Tue 4/11

09:00-00:20

1 stop12h 20m

₹ 24,982

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 25/10

20:25-00:05

Nonstop6h 40m

San Francisco

Wed 29/10

09:00-00:20

1 stop12h 20m

₹ 25,070

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

In general, September 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 ₹ 27,719. If you aren’t able to travel to San Francisco 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 ₹ 29,219.

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 Monday. Travellers who choose to depart for San Francisco on a Monday will often find tickets for as low as ₹ 24,064. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around ₹ 50,756.

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 ₹ 22,829. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 49,576.

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 ₹ 31,581 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 ₹ 28,160 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 September 2025, prices for Boston to San Francisco flights are approximately 1% 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

Best price found

₹ 34,075

Fastest flight time

6h 28m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is ₹ 34,075
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?

    There are 4329.4 km between Boston Logan Intl and San Francisco. Typically, this will take 6h 40m 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 ₹ 10,458Free CancellationRating
7.9
7,959 reviews
Search Delta flights
United AirlinesPriceFrom ₹ 14,969Free CancellationRating
7.4
8,934 reviews
Search United Airlines flights
JetBluePriceFrom ₹ 17,355Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights

  • Delta Flights From Boston to San Francisco

    Delta flies from Boston to San Francisco around 11 times per week, with 7,959 momondo users rating the airline 7.9/10. The cheapest Delta deal from Boston to San Francisco in the last 72 hours was ₹ 118 (round-trip), much lower than the average airfare cost of ₹ 282 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 ₹ 170 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around ₹ 359. United Airlines operates 31 flights to San Francisco from Boston in an average week. Users have rated it 7.4/10 across 8,934 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
South San Francisco
Gilroy
Roseville
Sunnyvale
Bodega Bay
Rancho Cordova
Belmont
Cupertino
Daly City
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 14/10
Tue 21/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States