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Cheap flights from San Francisco to Boston from ₹ 11,284

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
16 Jun — 23 Jun1
1 adult

Cheapflights Tip: The best prices from San Francisco to Boston Logan Intl are usually found in January or February, booked 64 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from San Francisco to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Boston (BOS). 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 11 June 2025.

Round-trip from

₹ 22,055

One-way from

₹ 11,284

Popular in

December

Cheapest in

January

Average price

₹ 38,212

Good round-trip deal

₹ 33,535 or less

Good one-way deal

₹ 24,646 or less
Alaska Airlines
  • Alaska Airlines
  • 25/8-2/9
  • 1 total stop
  • 15h 19m total
  • San Francisco to Boston
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Alaska Airlines
  • Alaska Airlines
  • 8/7
  • 1 total stop
  • 10h 39m total
  • San Francisco to Boston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (₹ 41,285 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 50,783 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Francisco to Boston Logan Intl.
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Price to beat on a one-way flight from San Francisco to Boston Logan Intl.
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Find flight deals from San Francisco to Boston

Cheapest flights from San Francisco to Boston
Explore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2025.

Mon 25/818:35SFO - BOS
1 stop8h 50mAlaska Airlines
Tue 2/920:23BOS - SFO
Nonstop6h 29mAlaska Airlines
Deal found 9/6₹ 22,055
Mon 7/706:05SFO - BOS
Nonstop5h 45mJetBlue
Tue 15/721:19BOS - SFO
Nonstop6h 40mJetBlue
Deal found 9/6₹ 22,141
Sun 13/722:00SFO - BOS
Nonstop5h 40mDelta
Tue 22/720:47BOS - SFO
Nonstop6h 47mDelta
Deal found 11/6₹ 22,910
Mon 25/817:15SFO - BOS
2 stops11h 55mSouthwest
Fri 29/806:40BOS - SFO
1 stop9h 40mSouthwest
Deal found 11/6₹ 24,278
Thu 3/723:30SFO - BOS
Nonstop5h 48mUnited Airlines
Tue 8/706:00BOS - SFO
Nonstop6h 28mUnited Airlines
Deal found 10/6₹ 29,493
Fri 18/723:59SFO - BOS
1 stop7h 38mSun Country Air
Mon 21/706:30BOS - SFO
1 stop19h 23mSun Country Air
Deal found 11/6₹ 31,630

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco to Boston 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 11 June 2025.
Use the filters below to find and compare flights from San Francisco to Boston that are best for you.

Fly from

San Francisco

Fly to

Boston

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 25/8

06:10-15:00

Nonstop5h 50m

Boston Logan Intl

Wed 3/9

16:00-22:23

1 stop9h 23m

₹ 22,055

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 4/10

22:15-14:35

1 stop13h 20m

Boston Logan Intl

Tue 14/10

20:15-23:50

Nonstop6h 35m

₹ 22,739

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 13/7

22:00-06:40

Nonstop5h 40m

Boston Logan Intl

Tue 22/7

20:47-00:34

Nonstop6h 47m

₹ 22,910

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 25/8

17:15-08:10

2 stops11h 55m

Boston Logan Intl

Fri 29/8

06:40-13:20

1 stop9h 40m

₹ 24,278

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 3/7

23:30-08:18

Nonstop5h 48m

Boston Logan Intl

Tue 8/7

06:00-09:28

Nonstop6h 28m

₹ 29,493

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 18/7

23:59-10:37

1 stop7h 38m

Boston Logan Intl

Mon 21/7

06:30-22:53

1 stop19h 23m

₹ 31,630

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 8/7

17:51-07:30

1 stop10h 39m

₹ 11,284

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 13/8

17:25-08:10

2 stops11h 45m

₹ 11,455

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 15/7

18:50-07:33

1 stop9h 43m

₹ 11,541

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 7/7

19:49-07:30

1 stop8h 41m

₹ 11,883

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Francisco to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco 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 San Francisco to Boston

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Boston. Price data was last updated on 9 June 2025.

The price you pay for your flight from San Francisco to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Boston (average of ₹ 968). Flying from San Francisco to Boston in August is currently the most expensive (average of ₹ 1,348). 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 SFO to BOS?

Find hourly flight availability from San Francisco to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 June 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Boston at midday. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from San Francisco to Boston

Explore weekly flight availability from San Francisco to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 June 2025.

The most flights from SFO to BOS are scheduled on a Wednesday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 11 June 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Francisco to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very Good
4,287 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,945 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,493 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,784 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Boston. 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 San Francisco to Boston?

    You will need to book a flight from San Francisco to Boston Logan Intl if you want to fly from San Francisco to Boston. At least 2 different airlines have flights from San Francisco (SFO) to Logan Intl (BOS) on a regular basis. There are 35 flights to Boston from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to BOS to be around 5h 41m.

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

    The San Francisco to Boston Logan Intl flight path was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at ₹ 22,055, Alaska Airlines will fly you from San Francisco to Boston and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Delta - these airlines can fly you to your destination from ₹ 22,141 and ₹ 22,910, respectively. Alaska Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as ₹ 11,284. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from San Francisco to Boston for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Boston on time: Qatar Airways (92%), Etihad Airways (91%), American Airlines (89%).

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

    The cheapest flight price from San Francisco to Boston is ₹ 11,017. On average you can expect to pay ₹ 58,307. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for ₹ 31,031.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Boston 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 San Francisco to Boston?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Boston (average of ₹ 968). Flying from San Francisco to Boston in August is currently the most expensive (average of ₹ 1,348). 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
Falmouth
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Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 June 2025.
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Top 2 airlines flying from San Francisco to Boston

Discover the top 2 airlines that operate flights from San Francisco to Boston. 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 11 June 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest₹ 16,772Average₹ 25,748FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest₹ 22,139Average₹ 38,806FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from San Francisco to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from San Francisco.

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

Yes, we can. To see specific flights from San Francisco to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from San Francisco today and book when prices fit your budget.

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