HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$108+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco Bay Area to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

This Super.com deal was found by Cheapflights users on 12/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:22 pmSFO - BOS
Nonstop5h 33mJetBlue
Wed 1/217:09 pmBOS - SFO
Nonstop6h 50mJetBlue
Deal found 12/17$341
This JetBlue deal was found by Cheapflights users on 12/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:15 pmSFO - BOS
Nonstop5h 38mJetBlue
Wed 1/77:11 amBOS - SFO
Nonstop6h 59mJetBlue
Deal found 12/17$342
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/267:25 amSFO - BOS
Nonstop5h 47mAlaska Airlines
Wed 1/74:20 pmBOS - SFO
1 stop9h 27mAlaska Airlines
Deal found 12/17$352
This Expedia deal was found by Cheapflights users on 12/17. 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.
Mon 12/293:22 pmSFO - BOS
Nonstop5h 33mMultiple Airlines
Wed 1/214:20 pmBOS - SFO
1 stop9h 27mMultiple Airlines
Deal found 12/17$357
This JetBlue deal was found by Cheapflights users on 12/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:44 pmSFO - BOS
Nonstop5h 31mJetBlue
Thu 1/87:09 pmBOS - SFO
Nonstop6h 50mJetBlue
Deal found 12/17$362
This lastminute.com deal was found by Cheapflights users on 12/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:16 pmSFO - BOS
Nonstop5h 34mJetBlue
Fri 1/237:11 amBOS - SFO
Nonstop6h 59mJetBlue
Deal found 12/15$368
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/272:05 pmSFO - BOS
Nonstop5h 43mUnited Airlines
Fri 1/94:49 pmBOS - SFO
1 stop9h 09mUnited Airlines
Deal found 12/16$372
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:45 pmSJC - BOS
1 stop7h 39mDelta
Tue 1/612:45 pmBOS - SJC
1 stop9h 27mDelta
Deal found 12/17$373
This Expedia deal was found by Cheapflights users on 12/16. 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.
Sat 12/278:44 pmSFO - BOS
Nonstop5h 31mMultiple Airlines
Tue 1/65:12 pmBOS - SFO
1 stop9h 37mMultiple Airlines
Deal found 12/16$377
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/317:25 amSFO - BOS
Nonstop5h 47mAlaska Airlines
Mon 1/56:00 amBOS - SFO
1 stop9h 00mAlaska Airlines
Deal found 12/16$381
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/296:10 amSFO - BOS
1 stop8h 55mAmerican Airlines
Thu 1/81:48 pmBOS - SFO
1 stop9h 37mAmerican Airlines
Deal found 12/17$382
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:35 amSJC - BOS
1 stop9h 35mSouthwest
Mon 1/510:40 amBOS - SJC
1 stop11h 35mSouthwest
Deal found 12/16$383

Find 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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$189
(SmartFares)

One-way from

$108
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$474
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
Search Deals
From San Francisco Bay Area to Boston Logan Intl
Search Deals
One-way flight from San Francisco Bay Area to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 1/13

3:25 pm-11:58 pm

Nonstop5h 33m

Boston Logan Intl

Sat 1/17

7:45 pm-11:38 pm

Nonstop6h 53m

$217

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 1/13

12:10 pm-10:30 pm

1 stop7h 20m

Boston Logan Intl

Thu 1/15

5:20 am-10:55 am

1 stop8h 35m

$217

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 1/21

6:25 pm-6:50 am

1 stop9h 25m

Boston Logan Intl

Sat 1/31

7:15 am-1:34 pm

1 stop9h 19m

$217

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 1/25

6:45 am-5:19 pm

1 stop7h 34m

Boston Logan Intl

Wed 1/28

10:56 am-2:51 pm

Nonstop6h 55m

$227

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 2/14

11:20 pm-7:58 am

Nonstop5h 38m

Boston Logan Intl

Fri 2/20

7:19 pm-1:28 am

1 stop9h 09m

$227

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 1/21

7:00 am-5:39 pm

1 stop7h 39m

Boston Logan Intl

Tue 2/3

4:20 pm-10:35 pm

1 stop9h 15m

$233

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 1/21

7:00 am-5:39 pm

1 stop7h 39m

Boston Logan Intl

Wed 2/4

7:00 am-2:42 pm

1 stop10h 42m

$233

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Mon 1/5

5:55 pm-5:10 am

1 stop8h 15m

Boston Logan Intl

Thu 1/8

5:20 pm-9:21 am

1 stop19h 01m

$236

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 2/5

8:26 am-5:05 pm

Nonstop5h 39m

Boston Logan Intl

Sun 2/8

7:09 pm-10:59 pm

Nonstop6h 50m

$237

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 2/5

7:10 am-3:51 pm

Nonstop5h 41m

Boston Logan Intl

Wed 2/25

7:45 am-11:47 am

Nonstop7h 02m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
1
2
3
...
6

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, December is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $118). Flying from San Francisco Bay Area to Boston in June is currently the most expensive (average of $219). 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 December 18, 2025.

One of the essential ways to save on airfare from San Francisco Bay Area to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

What is the cheapest day to fly from San Francisco Bay Area to Boston?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco Bay Area to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from zzXIH to BOS are scheduled on a Thursday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 December 18, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,479 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
JetBlue
7.2
Good
2,896 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 56 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 33m. Fly via JetBlue, Southwest, or Delta 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 Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from JetBlue and Southwest, 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: ITA Airways (100%), Air China (94%), Scandinavian Airlines( 90%).

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

    The cheapest flight price from San Francisco Bay Area to Boston is $127. On average you can expect to pay $1,035. The most popular route, (San Francisco - Boston Logan Intl), can usually be booked for $192.

  • 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, December is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $118). Flying from San Francisco Bay Area to Boston in June is currently the most expensive (average of $219). 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
Hampton Beach
Watertown
Seabrook
Seekonk
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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.

Alternative routes for San Francisco Bay Area to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boston flights
San Francisco to Boston flights
San Diego to Boston flights
Ontario to Boston flights
Santa Ana to Boston flights
Las Vegas to Boston flights
Los Angeles to Hartford flights
San Francisco to Hartford flights
Sacramento to Boston flights
San Jose to Boston flights
San Francisco to Albany flights
Burbank to Boston flights
Oakland to Boston flights
Ontario to Hartford flights
Los Angeles to Albany flights
Santa Ana to Hartford flights
Medford to Boston flights
Palm Springs to Boston flights
Reno to Boston flights
San Diego to Hartford flights
Las Vegas to Hartford flights
San Jose to Hartford flights
Fresno to Boston flights
Ontario to Albany flights
Las Vegas to Albany flights
Santa Ana to Albany flights
Long Beach to Boston flights
Santa Barbara to Boston flights
Sacramento to Albany flights
Burbank to Hartford flights
San Diego to Albany flights
Burbank to Albany flights
Monterey to Boston flights
San Jose to Albany flights
Long Beach to Hartford flights
San Luis Obispo to Boston flights
Santa Rosa to Boston flights
San Francisco to Worcester flights
Palm Springs to Hartford flights
Sacramento to Hartford flights
Medford to Hartford flights
Redding to Boston flights
Los Angeles to West Tisbury flights
Oakland to Hartford flights
Palm Springs to Albany flights
Santa Barbara to Hartford flights
Arcata to Boston flights
Bakersfield to Boston flights
Fresno to Hartford flights
Los Angeles to Nantucket flights

Top 9 airlines flying from San Francisco Bay Area to Boston

Discover the top 9 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$240FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$144Average$361FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$149Average$343FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$160Average$366FlexibilityNo cancel feeOn-time83%
DeltaCheapest$182Average$366FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$186Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$233Average$407FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$456FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$246Average$487FlexibilityNo cancel feeOn-time71%

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.