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San Francisco Bay Area

$122+ Cheap flights from Boston (BOS) to San Francisco Bay Area

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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Cheap flight deals from Boston to San Francisco Bay Area

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Francisco Bay Area (zzXIH). 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 December 21, 2024.

Round-trip from

$219
(Kissandfly.com)

One-way from

$122
(CheapOair)
From Boston Logan Intl to San Francisco Bay Area
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One-way flight from Boston Logan Intl to San Francisco Bay Area
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Find flight deals from Boston to San Francisco Bay Area

Cheapest flights from Boston to San Francisco Bay Area
Explore the most affordable flight options available from Boston to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/236:00 amBOS - SJC
1 stop9h 53mDelta
Thu 1/25:04 pmSJC - BOS
1 stop10h 36mDelta
Deal found 12/21$312
This JetBlue deal was found by Cheapflights users on 12/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:59 pmBOS - SFO
Nonstop6h 46mJetBlue
Thu 1/92:00 pmSFO - BOS
Nonstop5h 32mJetBlue
Deal found 12/19$347
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/305:54 amBOS - SFO
1 stop9h 22mAmerican Airlines
Tue 1/145:55 amSFO - BOS
1 stop7h 51mAmerican Airlines
Deal found 12/20$351
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:59 pmBOS - SFO
Nonstop7h 04mAlaska Airlines
Wed 1/86:00 amSFO - BOS
1 stop7h 55mAlaska Airlines
Deal found 12/20$371
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/2312:47 pmBOS - SJC
1 stop9h 01mAmerican Airlines
Sat 12/286:00 amSJC - BOS
1 stop7h 52mAmerican Airlines
Deal found 12/21$375
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/247:55 amBOS - SFO
Nonstop7h 04mDelta
Fri 1/247:30 amSFO - BOS
Nonstop5h 40mDelta
Deal found 12/21$379
This eDestinos deal was found by Cheapflights users on 12/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/302:27 pmBOS - SFO
2 stops35h 24mMultiple Airlines
Thu 1/96:05 amSFO - BOS
3 stops39h 25mMultiple Airlines
Deal found 12/20$426
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:00 amBOS - SFO
Nonstop6h 55mUnited Airlines
Fri 1/38:20 pmSFO - BOS
Nonstop5h 41mUnited Airlines
Deal found 12/20$449
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/224:25 pmBOS - SJC
1 stop9h 24mUnited Airlines
Thu 1/210:40 pmSJC - BOS
1 stop9h 32mUnited Airlines
Deal found 12/20$475
This Southwest deal was found by Cheapflights users on 12/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:55 pmBOS - SJC
2 stops10h 45mSouthwest
Tue 12/316:30 amSJC - BOS
1 stop7h 45mSouthwest
Deal found 12/20$483
This Mytrip deal was found by Cheapflights users on 12/20. 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 12/2511:05 amBOS - SJC
2 stops26h 45mSpirit Airlines
Fri 1/312:04 pmSJC - BOS
3 stops29h 55mSpirit Airlines
Deal found 12/20$490
This Southwest deal was found by Cheapflights users on 12/21. 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.
Wed 12/257:25 amBOS - OAK
1 stop9h 45mSouthwest
Sat 1/46:10 amOAK - BOS
1 stop9h 10mSouthwest
Deal found 12/21$504

Find flights from Boston to San Francisco Bay Area within your budget

Customize your flight search to find flights from Boston to San Francisco Bay Area 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 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 1/13

12:38 pm-7:46 pm

1 stop10h 08m

San Francisco

Wed 1/22

7:30 am-4:10 pm

Nonstop5h 40m

$219

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/24

6:00 am-9:55 am

Nonstop6h 55m

San Francisco

Sat 2/1

1:30 pm-10:04 pm

Nonstop5h 34m

$225

BostonOakland

BOS - OAK

BOSOAK

Boston Logan Intl

Mon 2/3

10:27 am-11:36 pm

2 stops16h 09m

Oakland

Tue 2/18

12:40 pm-1:50 pm

2 stops22h 10m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/24

5:50 pm-9:56 pm

Nonstop7h 06m

San Francisco

Sun 2/2

7:30 am-4:10 pm

Nonstop5h 40m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/31

12:56 pm-7:50 pm

1 stop9h 54m

San Francisco

Fri 2/7

11:20 am-11:59 pm

1 stop9h 39m

$231

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 2/21

8:00 am-11:55 am

Nonstop6h 55m

San Francisco

Mon 2/24

11:55 pm-10:47 am

1 stop7h 52m

$239

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/24

4:30 pm-11:38 pm

1 stop10h 08m

San Francisco

Thu 1/30

10:00 am-11:59 pm

1 stop10h 59m

$243

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 2/3

4:19 pm-10:16 pm

1 stop8h 57m

San Francisco

Sun 2/9

12:27 am-11:02 am

1 stop7h 35m

$245

BostonOakland

BOS - OAK

BOSOAK

Boston Logan Intl

Fri 1/24

6:59 pm-8:49 am

1 stop16h 50m

Oakland

Sun 1/26

6:32 am-11:59 pm

1 stop14h 27m

$246

BostonSan Jose

BOS - SJC

BOSSJC

Boston Logan Intl

Thu 2/27

10:00 am-7:28 pm

1 stop12h 28m

San Jose

Wed 3/5

10:00 am-11:59 pm

1 stop10h 59m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 47 results
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Best time to book a flight from Boston to San Francisco Bay Area

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

Travel insights for flights from Boston to San Francisco Bay Area

Get recent, data-driven insights about flights from Boston to San Francisco Bay Area including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco Bay Area (average of $276). Flying from Boston to San Francisco Bay Area in June is currently the most expensive (average of $406). 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 XIH?

Find hourly flight availability from Boston to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.

When flying from Boston to San Francisco Bay Area, 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 Boston to San Francisco Bay Area

Explore weekly flight availability from Boston to San Francisco Bay Area. 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 21, 2024.

The most flights from BOS to zzXIH are scheduled on a Friday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated December 21, 2024.
To help decide which airline to fly from Boston to San Francisco Bay Area, see what other customers have to say about Southwest, JetBlue and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,814 reviews
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,597 reviews
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Qatar Airways
7.5
Good
3,787 reviews
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,266 reviews
Southwest
8.1
Very good
4,814 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

    If you book a flight to San Francisco Bay Area from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

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

    This flight path from Boston Logan Intl to San Francisco Bay Area was viewed by 88 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 to fly from Boston to San Francisco Bay Area one-way?

    One-way options have recently been found by users for as low as $122 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $123 and Frontier from $125 one-way.

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

    The most popular flight routes from Boston to San Francisco Bay Area are Boston Logan Intl - San Francisco, Boston Logan Intl - San Jose and Boston Logan Intl - Oakland.

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

    No one likes to see their flight delayed. When booking a flight from Boston to San Francisco Bay Area consider choosing EL AL (92%), United Airlines (86%) or ANA (85%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,077 for a flight from Boston to San Francisco Bay Area. The cheapest flight overall is $118 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $183.

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

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

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

    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 Bay Area.

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to San Francisco Bay Area (average of $276). Flying from Boston to San Francisco Bay Area in June is currently the most expensive (average of $406). 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

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Alternative routes for Boston to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Hartford to Oakland flights
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Boston to Redding flights
West Tisbury to Los Angeles flights
Albany to Burbank flights

Top 9 airlines flying from Boston to San Francisco Bay Area

Discover the top 9 airlines that operate flights from Boston to San Francisco Bay Area. 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 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$161FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$73Average$477FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$118Average$345FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$460FlexibilityNo cancel feeOn-time71%
DeltaCheapest$142Average$395FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$162Average$359FlexibilityNo cancel feeOn-time83%
Spirit AirlinesCheapest$164Average$281FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$223Average$418FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$228Average$543FlexibilityNo cancel feeOn-time63%
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