Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Boston from ₹ 11,017

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
10 Oct — 17 Oct1
1 adult
1 adult, Economy

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 Thursday and return on a Monday

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 10 September 2025.

Round-trip from

₹ 18,686

One-way from

₹ 11,017

Popular in

December

Cheapest in

January

Average price

₹ 29,703

Good one-way deal

₹ 11,396 or less
Southwest
  • Southwest
  • 5/2-10/2
  • 2 total stops
  • 18h 55m total
  • San Francisco to Boston
Search Deals
Southwest
  • Southwest
  • 8/12
  • 2 total stops
  • 10h 05m total
  • San Francisco to Boston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (₹ 2,530 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 52,557 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a one-way flight from San Francisco to Boston Logan Intl.
Search Deals

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 10 September 2025.

Tue 30/921:05SFO - BOS
1 stop8h 05mSouthwest
Tue 7/1007:50BOS - SFO
2 stops10h 10mSouthwest
Deal found 9/9₹ 18,862
Sat 25/1017:30SFO - BOS
2 stops11h 40mSouthwest
Sat 15/1105:20BOS - SFO
1 stop8h 40mSouthwest
Deal found 8/9₹ 19,038
Tue 30/908:25SFO - BOS
Nonstop5h 46mUnited Airlines
Tue 7/1018:18BOS - SFO
Nonstop6h 32mUnited Airlines
Deal found 8/9₹ 19,126
Mon 20/1021:05SFO - BOS
1 stop8h 20mSouthwest
Sat 25/1006:30BOS - SFO
1 stop8h 20mSouthwest
Deal found 9/9₹ 19,567
Sun 9/1121:25SFO - BOS
1 stop9h 20mSouthwest
Wed 12/1110:20BOS - SFO
2 stops10h 05mSouthwest
Deal found 8/9₹ 19,831
Wed 1/1015:10SFO - BOS
Nonstop5h 47mUnited Airlines
Sat 4/1006:00BOS - SFO
1 stop8h 20mUnited Airlines
Deal found 8/9₹ 20,008
Sat 1/1117:30SFO - BOS
2 stops12h 35mSouthwest
Tue 4/1105:45BOS - SFO
1 stop10h 35mSouthwest
Deal found 9/9₹ 20,184
Sat 13/1221:25SFO - BOS
1 stop7h 40mSouthwest
Thu 18/1205:15BOS - SFO
1 stop8h 50mSouthwest
Deal found 9/9₹ 20,448
Sat 25/1017:30SFO - BOS
2 stops11h 40mSouthwest
Sat 1/1111:00BOS - SFO
1 stop10h 55mSouthwest
Deal found 9/9₹ 20,625
Tue 18/1107:00SFO - BOS
1 stop7h 55mAlaska Airlines
Wed 10/1216:24BOS - SFO
1 stop10h 24mAlaska Airlines
Deal found 8/9₹ 20,801
Tue 7/1012:30SFO - BOS
Nonstop5h 40mDelta
Fri 14/1119:55BOS - SFO
Nonstop6h 58mDelta
Deal found 8/9₹ 20,889
Sat 18/1007:11SFO - BOS
Nonstop5h 49mAlaska Airlines
Sat 25/1020:25BOS - SFO
Nonstop6h 40mAlaska Airlines
Deal found 8/9₹ 21,065

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 10 September 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

Fri 7/11

21:25-08:05

1 stop7h 40m

Boston Logan Intl

Tue 11/11

07:45-13:20

1 stop8h 35m

₹ 19,567

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 21/10

15:50-00:30

Nonstop5h 40m

Boston Logan Intl

Tue 28/10

07:10-11:00

Nonstop6h 50m

₹ 20,889

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 1/10

15:10-23:57

Nonstop5h 47m

Boston Logan Intl

Fri 31/10

05:30-11:29

1 stop8h 59m

₹ 21,770

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 30/10

07:00-15:41

Nonstop5h 41m

Boston Logan Intl

Mon 3/11

18:59-22:50

Nonstop6h 51m

₹ 24,503

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 6/3

23:59-08:32

Nonstop5h 33m

Boston Logan Intl

Mon 9/3

20:45-00:34

Nonstop6h 49m

₹ 24,591

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 29/10

07:00-15:41

Nonstop5h 41m

Boston Logan Intl

Sat 1/11

18:59-22:50

Nonstop6h 51m

₹ 24,591

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 20/10

07:11-16:00

Nonstop5h 49m

Boston Logan Intl

Thu 23/10

20:25-00:05

Nonstop6h 40m

₹ 24,591

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 4/10

08:40-17:48

Nonstop6h 08m

Boston Logan Intl

Fri 17/10

17:15-00:59

1 stop10h 44m

₹ 24,855

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 30/10

07:00-15:41

Nonstop5h 41m

Boston Logan Intl

Mon 3/11

18:59-22:50

Nonstop6h 51m

₹ 25,472

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 12/12

22:55-07:36

Nonstop5h 41m

₹ 11,370

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 20 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 29 August 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, October is the cheapest month in which you can book a flight from San Francisco to Boston (average of ₹ 938). Flying from San Francisco to Boston in August is currently the most expensive (average of ₹ 1,167). 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 10 September 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 52% on your trip compared to booking a flight in the morning.

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 10 September 2025.
Check out reviews from past customers who have flown with JetBlue from San Francisco to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,913 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.4

Entertainment

7.3

Overall

7.2

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JACK,Sept 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,913 reviews
JetBlue
7.2
Good
2,913 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.4

Entertainment

7.3

Overall

7.2

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JACK,Sept 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

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 1 airline has flights from San Francisco (SFO) to Logan Intl (BOS) on a regular basis. There are 44 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 44m.

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

    The San Francisco to Boston Logan Intl flight path was viewed by 11 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 San Francisco to Boston?

    A quick flight from San Francisco to Boston can take about 5h 40m. Southwest provides one of the quickest options available for as low as ₹ 20,889. The distance from San Francisco to Boston 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 San Francisco to Boston round-trip?

    Currently priced at ₹ 17,293, JetBlue will fly you from San Francisco to Boston and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. JetBlue is 47% 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 United Airlines, with whom users have recently found tickets for as low as ₹ 11,370. However, be on the lookout for offers from Delta and JetBlue, 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: Etihad Airways (99%), China Eastern (92%), Scandinavian Airlines (92%).

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

    The cheapest flight price from San Francisco to Boston is ₹ 11,396. On average you can expect to pay ₹ 12,206. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for ₹ 23,533.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to Boston (average of ₹ 938). Flying from San Francisco to Boston in August is currently the most expensive (average of ₹ 1,167). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Revere
Cambridge
Waltham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 September 2025.
Boston to Chicago O'Hare Intl Airport flights
Boston to Dallas/Fort Worth Airport flights
Boston to Los Angeles flights
Boston to Miami flights
Boston to Seattle flights
Boston to San Francisco flights
Boston to Seattle flights
Boston to Los Angeles flights

Top airline flying from San Francisco to Boston

Discover the top airline 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 10 September 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest₹ 17,293Average₹ 23,585FlexibilityNo 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.