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$110+ Cheap flights from San Francisco Bay Area to Boston (BOS)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Boston

Keep the following information in mind while searching for San Francisco Bay Area to Boston flight deals. Data was last updated August 20, 2025.

Round-trip from

$204
(Expedia)

One-way from

$110
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$383
From San Francisco Bay Area to Boston Logan Intl
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One-way flight from San Francisco Bay Area to Boston Logan Intl
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Francisco Bay Area to Boston

Cheapest flights from San Francisco Bay Area to Boston
Explore the most affordable flight options available from San Francisco Bay Area to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:40 amSJC - BOS
2 stops20h 33mMultiple Airlines
Wed 9/247:20 amBOS - SJC
1 stop10h 01mMultiple Airlines
Deal found 8/18$204
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:39 pmOAK - BOS
2 stops17h 34mSpirit Airlines
Wed 9/176:10 amBOS - OAK
2 stops20h 22mSpirit Airlines
Deal found 8/20$218
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:40 amSJC - BOS
2 stops20h 33mSpirit Airlines
Wed 9/245:50 amBOS - SJC
2 stops17h 10mSpirit Airlines
Deal found 8/18$220
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amSJC - BOS
1 stop8h 23mAmerican Airlines
Wed 10/298:00 amBOS - SJC
1 stop11h 53mAmerican Airlines
Deal found 8/18$227
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:40 amSJC - BOS
2 stops20h 33mSpirit Airlines
Tue 9/305:50 amBOS - SJC
2 stops17h 10mSpirit Airlines
Deal found 8/18$229
This Vliegwinkel deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:10 amSFO - BOS
Nonstop5h 50mHawaiian Airlines
Sat 9/208:23 pmBOS - SFO
Nonstop6h 29mHawaiian Airlines
Deal found 8/20$229
This Vliegwinkel deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:10 amSFO - BOS
Nonstop5h 50mMultiple Airlines
Sat 9/208:23 pmBOS - SFO
Nonstop6h 29mMultiple Airlines
Deal found 8/19$230
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amSFO - BOS
Nonstop5h 41mAlaska Airlines
Tue 10/286:59 pmBOS - SFO
Nonstop6h 51mAlaska Airlines
Deal found 8/19$231
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:30 pmSJC - BOS
1 stop8h 09mUnited Airlines
Wed 10/2910:25 amBOS - SJC
2 stops11h 23mUnited Airlines
Deal found 8/18$232
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:10 pmSFO - BOS
Nonstop5h 34mJetBlue
Wed 10/297:00 amBOS - SFO
Nonstop6h 50mJetBlue
Deal found 8/18$232
This Flysmarter deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:08 pmSFO - BOS
Nonstop5h 47mJetBlue
Sat 9/138:10 pmBOS - SFO
Nonstop6h 49mJetBlue
Deal found 8/19$236
This Orbitz deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:40 amSJC - BOS
2 stops20h 33mMultiple Airlines
Tue 9/307:20 amBOS - SJC
1 stop10h 01mMultiple Airlines
Deal found 8/18$237

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Boston that are best for you.

Fly from

San Francisco Bay Area

Fly to

Boston

Route

Depart

Return

Price

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/17

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Tue 9/23

7:20 am-2:21 pm

1 stop10h 01m

$204

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/17

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Wed 9/24

7:20 am-2:21 pm

1 stop10h 01m

$204

OaklandBoston

OAK - BOS

OAKBOS

Oakland

Wed 9/10

2:39 pm-11:13 am

2 stops17h 34m

Boston Logan Intl

Wed 9/17

6:10 am-11:32 pm

2 stops20h 22m

$218

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/17

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Wed 9/24

5:50 am-8:00 pm

2 stops17h 10m

$220

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 10/28

6:00 am-5:23 pm

1 stop8h 23m

Boston Logan Intl

Wed 10/29

8:00 am-4:53 pm

1 stop11h 53m

$227

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 9/16

6:35 am-10:47 pm

2 stops13h 12m

Boston Logan Intl

Tue 9/23

5:50 am-8:00 pm

2 stops17h 10m

$228

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/17

6:35 am-10:47 pm

2 stops13h 12m

Boston Logan Intl

Tue 9/30

5:50 am-8:00 pm

2 stops17h 10m

$228

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 10/28

12:30 pm-11:39 pm

1 stop8h 09m

Boston Logan Intl

Wed 10/29

10:25 am-6:48 pm

2 stops11h 23m

$232

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 9/16

6:10 am-3:00 pm

Nonstop5h 50m

Boston Logan Intl

Wed 9/17

8:23 pm-11:52 pm

Nonstop6h 29m

$237

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 9/16

1:00 pm-9:47 pm

Nonstop5h 47m

Boston Logan Intl

Sat 9/27

6:40 pm-10:17 pm

Nonstop6h 37m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco Bay Area with our price prediction graph.
Estimated round-trip 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 Bay Area to Boston

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $218). Flying from San Francisco Bay Area to Boston in July is currently the most expensive (average of $311). 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 XIH to BOS?

Find hourly flight availability from San Francisco Bay Area 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 August 20, 2025.

When flying from San Francisco Bay Area to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco Bay Area to Boston

Explore weekly flight availability from San Francisco Bay Area 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 August 20, 2025.

The most flights from zzXIH to BOS are scheduled on a Wednesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

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 August 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from San Francisco Bay Area to Boston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
JetBlue
7.2
Good
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What airport do you fly into for flights to Boston from San Francisco Bay Area?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from San Francisco Bay Area. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    This flight path from San Francisco Bay Area to Boston Logan Intl was viewed by 43 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 Bay Area to Boston?

    There are many flights that can get you from San Francisco Bay Area to Boston in 5h 50m. Fly via Spirit Airlines, American Airlines, or Hawaiian Airlines to get the fastest option. The distance from San Francisco Bay Area to Boston is about 2696 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $110. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from San Francisco Bay Area to Boston for a low price.

  • What are the most popular routes from San Francisco Bay Area to Boston?

    When deciding which route to take from San Francisco Bay Area to Boston consider San Francisco - Boston Logan Intl, San Jose - Boston Logan Intl or Oakland - Boston Logan Intl as they are the most popular.

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

    Before booking your flight to Boston from San Francisco Bay Area, check out the most reliable airlines to get you to your destination on time: Etihad Airways (98%), Scandinavian Airlines (95%), China Eastern( 89%).

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

    The cheapest flight price from San Francisco Bay Area to Boston is $118. On average you can expect to pay $938. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for $224.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to Boston.

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $218). Flying from San Francisco Bay Area to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

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Alternative routes for San Francisco Bay Area to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from San Francisco Bay Area to Boston

Discover the top 10 airlines that operate flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$200FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$144Average$362FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$148Average$355FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$160Average$367FlexibilityNo cancel feeOn-time83%
DeltaCheapest$169Average$373FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$176Average$246FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$203Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$438FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$380FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$231Average$457FlexibilityNo cancel feeOn-time75%

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