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Cheap flights from Boston to San Francisco from ₹ 16,124

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to San Francisco are usually found in January or September, booked 46 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Boston to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Boston to San Francisco
Explore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Mon 20/720:20
BOS
-
SFO
Nonstop6h 37m
United Airlines
Mon 27/722:38
SFO
-
BOS
1 stop7h 51m
United Airlines
Deal found 6/6₹ 30,245
Thu 10/916:00
BOS
-
SFO
1 stop10h 31m
JetBlue
Tue 15/920:25
SFO
-
BOS
1 stop8h 32m
JetBlue
Deal found 5/6₹ 30,341
Wed 29/706:20
BOS
-
SFO
1 stop12h 24m
Delta
Wed 5/815:00
SFO
-
BOS
Nonstop5h 41m
Delta
Deal found 7/6₹ 30,436
Mon 10/815:55
BOS
-
SFO
1 stop11h 10m
Southwest
Wed 12/811:15
SFO
-
BOS
1 stop10h 10m
Southwest
Deal found 9/6₹ 30,531
Wed 1/707:28
BOS
-
SFO
Nonstop6h 27m
United Airlines
Wed 15/714:29
SFO
-
BOS
1 stop7h 45m
United Airlines
Deal found 9/6₹ 30,627
Tue 28/706:00
BOS
-
SFO
Nonstop6h 27m
United Airlines
Wed 5/816:15
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 9/6₹ 30,722
Thu 23/717:00
BOS
-
SFO
Nonstop6h 34m
JetBlue
Tue 11/820:25
SFO
-
BOS
1 stop7h 44m
JetBlue
Deal found 5/6₹ 30,818
Sat 5/909:20
BOS
-
SFO
Nonstop6h 23m
United Airlines
Mon 12/1021:15
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 7/6₹ 30,913
Mon 29/606:35
BOS
-
SFO
Nonstop6h 33m
JetBlue
Tue 7/712:30
SFO
-
BOS
Nonstop5h 48m
JetBlue
Deal found 8/6₹ 31,008
Tue 11/815:20
BOS
-
SFO
2 stops10h 00m
Southwest
Tue 18/811:15
SFO
-
BOS
1 stop10h 10m
Southwest
Deal found 8/6₹ 31,104
Sat 4/706:35
BOS
-
SFO
Nonstop6h 33m
JetBlue
Mon 13/706:00
SFO
-
BOS
Nonstop5h 41m
JetBlue
Deal found 9/6₹ 31,199

Find flight deals from Boston to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 June 2026.

Round-trip from

₹ 30,245

One-way from

₹ 16,124

Popular in

April

Cheapest in

January

Average price

₹ 39,309

Good round-trip deal

₹ 16,068 or less

Good one-way deal

₹ 20,215 or less
United Airlines
  • United Airlines
  • 20/7-27/7
  • 1 total stop
  • 14h 28m total
  • Boston to San Francisco
Search Deals
Southwest
  • Southwest
  • 2/9
  • 2 total stops
  • 11h 10m total
  • Boston to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 307,954 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 50,122 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to San Francisco.
Search Deals

Cheapflights 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, Cheapflights users made 454,620 searches. Data last updated 10 June 2026.
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

Cheapest return flight

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 12/8

18:50-22:32

Nonstop6h 42m

San Francisco

Tue 18/8

20:25-07:09

1 stop7h 44m

₹ 30,245

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 12/8

08:30-16:25

1 stop10h 55m

San Francisco

Tue 18/8

07:40-00:05

2 stops13h 25m

₹ 32,249

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 23/8

05:55-13:10

1 stop10h 15m

San Francisco

Wed 26/8

11:50-22:15

1 stop7h 25m

₹ 33,108
Fastest return journey

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 12/7

06:35-10:05

Nonstop6h 30m

San Francisco

Tue 14/7

15:18-23:59

Nonstop5h 41m

₹ 33,108

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 11/8

20:55-00:31

Nonstop6h 36m

San Francisco

Tue 18/8

20:25-11:21

1 stop11h 56m

₹ 34,062

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 18/9

18:35-00:05

1 stop8h 30m

San Francisco

Mon 21/9

19:45-09:30

2 stops10h 45m

₹ 34,634

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 11/7

20:55-00:30

Nonstop6h 35m

San Francisco

Wed 15/7

15:18-23:59

Nonstop5h 41m

₹ 35,016

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 7/7

05:50-10:30

1 stop7h 40m

San Francisco

Tue 14/7

23:40-12:15

1 stop9h 35m

₹ 35,779

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 7/7

07:20-10:51

Nonstop6h 31m

San Francisco

Tue 14/7

07:10-15:55

Nonstop5h 45m

₹ 36,924

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 11/7

20:27-23:59

Nonstop6h 32m

San Francisco

Sun 12/7

23:30-12:57

1 stop10h 27m

₹ 37,783

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Best time to book a flight from Boston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Francisco

How far ahead should I book a flight from Boston to San Francisco?

The best time to book flights from Boston to San Francisco is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 32,249). Flying from Boston to San Francisco in June is currently the most expensive (average of ₹ 44,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SFO?

Find hourly flight availability from Boston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 June 2026.

A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 57% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from Boston to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 10 June 2026.
See what other customers who have flown with Delta and JetBlue from Boston to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,395 reviews
Check prices

Overall

7.9

Crew

8.5

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,395 reviews
Delta
7.9
Good
8,395 reviews
Check prices

Overall

7.9

Crew

8.5

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.1
Good
2,980 reviews
Delta
7.9
Good
8,395 reviews
Check prices

Overall

7.9

Crew

8.5

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Boston to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to San Francisco?

    If you wish to fly to San Francisco from Boston, then you need to book flights from Boston Logan Intl to San Francisco. There are 35 flights from Logan Intl (BOS) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Logan Intl are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 6h 38m is how long a nonstop flight from Boston to San Francisco typically takes.

  • How popular is this Boston to San Francisco flight route?

    This flight path from Boston Logan Intl to San Francisco was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to San Francisco?

    A quick flight from Boston to San Francisco can take about 6h 42m. JetBlue provides one of the quickest options available for as low as ₹ 30,245. The distance from Boston to San Francisco is about 4339 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to San Francisco round-trip?

    Delta, at ₹ 16,068, was found to be the cheapest airline from Boston to San Francisco. An alternate airline flying to your destination would be JetBlue. Delta is currently priced 57% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Boston to San Francisco?

    Consider Korean Air (89%), Air China (88%) or WestJet (86%) when booking your flight. These represent the most reliable airlines when flying from Boston to San Francisco.

  • What are the cheapest flights from Boston to San Francisco?

    Looking for the cheapest flight from Boston to San Francisco? While on average our users pay ₹ 44,376, our data indicates the cheapest price to be ₹ 16,068. The most popular route (Boston Logan Intl - San Francisco), is priced around ₹ 35,588.

  • Can I find deals for flights from Boston to San Francisco that include hotel bookings?

    Yes. In addition to deals on Boston to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Francisco.

  • Can I find deals for business class flights from Boston to San Francisco?

    Yes. Cheapflights offers flight deals from Boston to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 32,249). Flying from Boston to San Francisco in June is currently the most expensive (average of ₹ 44,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Mountain View
Fairfield
Burlingame
Milpitas
Santa Clara

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Boston to San Francisco

Discover the top 2 airlines that operate flights from Boston to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest₹ 16,068Average₹ 48,283FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest₹ 27,900Average₹ 51,141FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to San Francisco?

When you search for this flight from Boston to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to San Francisco flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston to San Francisco become cheaper?

Of course! You can now track prices for flights from Boston to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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