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Cheap flights from Boston to San Francisco from ₹ 13,345

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
3 May — 10 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 83 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 3 April 2026.

Sat 25/407:40
BOS
-
SFO
Nonstop6h 49m
Delta
Sat 2/507:05
SFO
-
BOS
Nonstop5h 34m
Delta
Deal found 1/4₹ 25,670
Sat 25/420:19
BOS
-
SFO
Nonstop6h 40m
JetBlue
Sat 2/520:25
SFO
-
BOS
Nonstop5h 42m
JetBlue
Deal found 2/4₹ 25,763
Tue 28/415:28
BOS
-
SFO
1 stop8h 56m
United Airlines
Tue 5/512:30
SFO
-
BOS
Nonstop5h 57m
United Airlines
Deal found 1/4₹ 26,226
Tue 18/810:00
BOS
-
SFO
Nonstop6h 57m
Delta
Mon 24/822:00
SFO
-
BOS
Nonstop5h 54m
Delta
Deal found 2/4₹ 26,597
Mon 20/406:00
BOS
-
SFO
1 stop14h 34m
Frontier
Mon 27/422:38
SFO
-
BOS
1 stop10h 19m
Frontier
Deal found 30/3₹ 26,782
Sun 24/506:00
BOS
-
SFO
1 stop9h 41m
Alaska Airlines
Wed 27/516:44
SFO
-
BOS
1 stop10h 00m
Alaska Airlines
Deal found 30/3₹ 27,060
Sat 25/420:19
BOS
-
SFO
Nonstop6h 40m
JetBlue
Tue 28/415:10
SFO
-
BOS
Nonstop5h 48m
JetBlue
Deal found 29/3₹ 27,338
Thu 30/420:45
BOS
-
SFO
Nonstop6h 42m
Delta
Tue 5/522:30
SFO
-
BOS
Nonstop5h 55m
Delta
Deal found 31/3₹ 27,524
Tue 28/406:10
BOS
-
SFO
1 stop14h 11m
Delta
Wed 6/522:30
SFO
-
BOS
Nonstop5h 55m
Delta
Deal found 2/4₹ 27,802

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 3 April 2026.

Round-trip from

₹ 25,670

One-way from

₹ 13,345

Popular in

December

Cheapest in

September

Average price

₹ 38,552

Good one-way deal

₹ 14,031 or less
Delta
  • Delta
  • 25/4-9/5
  • Nonstop
  • 12h 39m total
  • Boston to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 28/4
  • 1 total stop
  • 8h 56m total
  • Boston to San Francisco
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (₹ 12,811 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 44,461 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 3 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
Fastest return journey

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 25/4

20:19-23:59

Nonstop6h 40m

San Francisco

Sat 2/5

20:25-05:07

Nonstop5h 42m

₹ 25,856

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 25/6

06:00-11:19

1 stop8h 19m

San Francisco

Sun 28/6

23:05-08:01

Nonstop5h 56m

₹ 34,567

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 4/8

08:15-16:25

2 stops11h 10m

San Francisco

Thu 13/8

19:45-09:00

2 stops10h 15m

₹ 36,791

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 31/7

07:20-10:51

Nonstop6h 31m

San Francisco

Sat 15/8

12:20-21:11

Nonstop5h 51m

₹ 38,181

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 9/7

13:20-21:35

2 stops11h 15m

San Francisco

Tue 14/7

08:55-23:20

2 stops11h 25m

₹ 38,181

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sun 16/8

07:00-10:57

Nonstop6h 57m

San Francisco

Sat 22/8

12:20-21:11

Nonstop5h 51m

₹ 38,645

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 25/8

15:20-22:20

2 stops10h 00m

San Francisco

Sat 29/8

23:40-12:40

2 stops10h 00m

₹ 39,108

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 10/9

07:30-15:25

2 stops10h 55m

San Francisco

Mon 14/9

19:55-09:30

2 stops10h 35m

₹ 40,035

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 30/6

06:00-11:19

1 stop8h 19m

San Francisco

Wed 8/7

22:38-09:39

1 stop8h 01m

₹ 40,498

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 30/9

09:30-18:26

2 stops11h 56m

San Francisco

Mon 19/10

19:49-07:31

1 stop8h 42m

₹ 40,591

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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 2 April 2026.

The best time to book flights from Boston to San Francisco is 83 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, November is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 13,808). Flying from Boston to San Francisco in January is currently the most expensive (average of ₹ 18,257). 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 3 April 2026.

A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the evening. If you’re flexible enough to do this you can expect to save up to 82% on your trip compared to booking a flight in the afternoon.

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 3 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.
JetBlue
7.2
Good
2,913 reviews
Check prices

Comfort

7.5

Overall

7.2

Crew

7.9

Boarding

7.3

Entertainment

7.2

Food

6.6

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.
JetBlue
7.2
Good
2,913 reviews
JetBlue
7.2
Good
2,913 reviews
Check prices

Comfort

7.5

Overall

7.2

Crew

7.9

Boarding

7.3

Entertainment

7.2

Food

6.6

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 42m 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 40m. JetBlue provides one of the quickest options available for as low as ₹ 25,856. 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 is the cheapest airline to fly from Boston to San Francisco round-trip?

    JetBlue, at ₹ 14,626, was found to be the cheapest airline from Boston to San Francisco.. JetBlue is currently priced 58% 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 ₹ 7,431. 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 Southwest (100%), Scandinavian Airlines (100%) or EL AL (89%) 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 ₹ 26,727, our data indicates the cheapest price to be ₹ 11,899. The most popular route (Boston Logan Intl - San Francisco), is priced around ₹ 43,278.

  • 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, November is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 13,808). Flying from Boston to San Francisco in January is currently the most expensive (average of ₹ 18,257). 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest₹ 14,626Average₹ 35,397FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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