Cheap flights from Boston to San Francisco from ₹ 13,885

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to San Francisco are usually found in September or January, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 17 April 2026.

Tue 2/608:05
BOS
-
SFO
1 stop9h 56m
Alaska Airlines
Tue 9/616:44
SFO
-
BOS
1 stop10h 00m
Alaska Airlines
Deal found 13/4₹ 25,813
Tue 5/506:20
BOS
-
SFO
Nonstop6h 45m
JetBlue
Wed 6/507:00
SFO
-
BOS
Nonstop5h 35m
JetBlue
Deal found 12/4₹ 27,677
Tue 26/518:40
BOS
-
SFO
1 stop17h 53m
Alaska Airlines
Fri 29/506:16
SFO
-
BOS
1 stop20h 28m
Alaska Airlines
Deal found 16/4₹ 28,143
Wed 15/708:28
BOS
-
SFO
1 stop9h 46m
Alaska Airlines
Tue 21/707:55
SFO
-
BOS
1 stop18h 45m
Alaska Airlines
Deal found 16/4₹ 28,609
Wed 26/806:30
BOS
-
SFO
1 stop16h 49m
Delta
Sat 5/912:20
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 13/4₹ 28,888
Tue 2/607:28
BOS
-
SFO
Nonstop6h 27m
United Airlines
Wed 10/607:00
SFO
-
BOS
Nonstop5h 54m
United Airlines
Deal found 15/4₹ 28,981
Thu 23/720:55
BOS
-
SFO
Nonstop6h 38m
Delta
Mon 27/722:10
SFO
-
BOS
Nonstop5h 35m
Delta
Deal found 13/4₹ 29,540
Tue 5/507:00
BOS
-
SFO
1 stop10h 21m
Alaska Airlines
Wed 6/509:00
SFO
-
BOS
1 stop11h 59m
Alaska Airlines
Deal found 12/4₹ 29,634
Sat 6/621:25
BOS
-
SFO
Nonstop6h 39m
JetBlue
Sat 13/621:00
SFO
-
BOS
Nonstop5h 44m
JetBlue
Deal found 12/4₹ 29,727
Thu 7/507:00
BOS
-
SFO
1 stop10h 21m
Alaska Airlines
Sat 16/517:41
SFO
-
BOS
1 stop9h 03m
Alaska Airlines
Deal found 13/4₹ 29,820
Thu 30/720:20
BOS
-
SFO
Nonstop6h 37m
United Airlines
Sat 8/823:05
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 16/4₹ 29,913

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 17 April 2026.

Round-trip from

₹ 25,813

One-way from

₹ 13,885

Popular in

April

Cheapest in

September

Average price

₹ 43,239

Good one-way deal

₹ 18,395 or less
Alaska Airlines
  • Alaska Airlines
  • 3/6-9/6
  • 2 total stops
  • 21h 56m total
  • Boston to San Francisco
JetBlue
  • JetBlue
  • 13/5
  • Nonstop
  • 6h 38m total
  • Boston to San Francisco
Highest demand for flights based on searches. 6% potential increase in price (₹ 218,471 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (₹ 61,744 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a one-way flight from Boston Logan Intl to San Francisco.

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 17 April 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 6/5

20:45-00:27

Nonstop6h 42m

San Francisco

Thu 7/5

07:05-16:01

Nonstop5h 56m

₹ 30,006

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 5/6

16:15-19:49

Nonstop6h 34m

San Francisco

Mon 15/6

21:25-06:21

Nonstop5h 56m

₹ 30,938

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/5

20:19-23:59

Nonstop6h 40m

San Francisco

Tue 5/5

15:10-23:58

Nonstop5h 48m

₹ 32,336

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 30/7

06:00-09:27

Nonstop6h 27m

San Francisco

Sun 9/8

22:38-09:39

1 stop8h 01m

₹ 35,225

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 6/5

17:02-00:16

1 stop10h 14m

San Francisco

Fri 8/5

20:44-05:28

Nonstop5h 44m

₹ 36,809

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 19/5

18:40-09:33

1 stop17h 53m

San Francisco

Sun 24/5

06:00-18:11

1 stop9h 11m

₹ 37,275

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 4/6

18:45-00:10

1 stop8h 25m

San Francisco

Fri 12/6

19:45-08:40

2 stops9h 55m

₹ 37,461

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 16/6

08:28-23:08

1 stop17h 40m

San Francisco

Wed 24/6

07:55-05:40

1 stop18h 45m

₹ 37,461
Fastest return journey

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 31/7

07:20-10:51

Nonstop6h 31m

San Francisco

Wed 5/8

12:20-21:02

Nonstop5h 42m

₹ 37,927

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 25/9

07:40-14:45

1 stop10h 05m

San Francisco

Mon 28/9

17:15-05:49

1 stop9h 34m

₹ 38,207

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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?

Use this chart to determine the optimal time to book a return flight from Boston to San Francisco. Price data was last updated on 10 April 2026.

The best time to book flights from Boston to San Francisco is 90 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, September is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 31,497). Flying from Boston to San Francisco in April is currently the most expensive (average of ₹ 43,239). 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 17 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to San Francisco as you normally would.

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 17 April 2026.
See what other customers who have flown with 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.

Comfort

7.5

Crew

7.9

Overall

7.2

Entertainment

7.2

Food

6.6

Boarding

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

7.9

Overall

7.2

Entertainment

7.2

Food

6.6

Boarding

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

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 30 flights from Logan Intl (BOS) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Logan Intl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 6h 37m is how long a nonstop flight from Boston to San Francisco typically takes.

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

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

    A quick flight from Boston to San Francisco can take about 6h 34m. Delta provides one of the quickest options available for as low as ₹ 30,938. The distance from Boston to San Francisco is about 4339 km. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Boston to San Francisco round-trip?

    JetBlue, at ₹ 14,707, was found to be the cheapest airline from Boston to San Francisco.. JetBlue is currently priced 59% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to San Francisco one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as ₹ 7,473. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Boston to San Francisco for a low price.

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

    Consider WestJet (88%), Japan Airlines (79%) or United Airlines (78%) 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 ₹ 20,818, our data indicates the cheapest price to be ₹ 11,965. The most popular route (Boston Logan Intl - San Francisco), is priced around ₹ 36,809.

  • 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, September is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 31,497). Flying from Boston to San Francisco in April is currently the most expensive (average of ₹ 43,239). 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

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Top airline flying from Boston to San Francisco

Discover the top airline 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest₹ 14,707Average₹ 35,594FlexibilityNo 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.

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