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San Francisco Bay Area

$107+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
nov 29 — dez 61
sáb 11/29
sáb 12/6
1 adult, Economy
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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 outubro 30, 2025.

This JetBlue deal was found by Cheapflights users on 10/30. 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.
seg 12/88:14 pmBOS - SFO
Nonstop6h 45mJetBlue
qui 1/88:45 pmSFO - BOS
1 stop7h 56mJetBlue
Deal found 10/30$206
This JetBlue deal was found by Cheapflights users on 10/29. 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.
qui 12/44:40 pmBOS - SFO
Nonstop6h 47mJetBlue
dom 12/149:00 pmSFO - BOS
1 stop10h 47mJetBlue
Deal found 10/29$207
This JetBlue deal was found by Cheapflights users on 10/29. 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.
qui 12/45:40 amBOS - SFO
1 stop9h 05mJetBlue
qua 12/1011:45 amSFO - BOS
Nonstop5h 34mJetBlue
Deal found 10/29$208
This JetBlue deal was found by Cheapflights users on 10/29. 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.
qui 11/277:05 amBOS - SFO
Nonstop6h 51mJetBlue
sáb 12/69:16 pmSFO - BOS
Nonstop5h 34mJetBlue
Deal found 10/29$209
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 12/126:45 amBOS - SFO
Nonstop6h 48mJetBlue
qui 1/87:00 amSFO - BOS
1 stop9h 57mJetBlue
Deal found 10/29$211
This American Airlines deal was found by Cheapflights users on 10/30. 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.
sex 12/121:28 pmBOS - SFO
1 stop9h 59mAmerican Airlines
sáb 1/176:00 amSFO - BOS
1 stop9h 59mAmerican Airlines
Deal found 10/30$212
This American Airlines deal was found by Cheapflights users on 10/30. 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.
sáb 12/1312:00 pmBOS - SFO
1 stop8h 51mAmerican Airlines
sex 1/96:37 amSFO - BOS
1 stop8h 37mAmerican Airlines
Deal found 10/30$216
This JetBlue deal was found by Cheapflights users on 10/29. 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.
qui 12/45:40 amBOS - SFO
1 stop9h 05mJetBlue
dom 12/79:00 pmSFO - BOS
1 stop7h 42mJetBlue
Deal found 10/29$217
This American Airlines deal was found by Cheapflights users on 10/30. 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.
seg 12/82:24 pmBOS - SFO
1 stop9h 03mAmerican Airlines
qua 1/712:17 amSFO - BOS
1 stop8h 14mAmerican Airlines
Deal found 10/30$221
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
qua 11/197:00 amBOS - SFO
1 stop9h 50mAlaska Airlines
qua 12/37:00 amSFO - BOS
Nonstop5h 37mAlaska Airlines
Deal found 10/30$222
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
sáb 12/64:40 pmBOS - SJC
1 stop9h 19mAlaska Airlines
ter 12/911:16 amSJC - BOS
1 stop9h 43mAlaska Airlines
Deal found 10/29$250
This American Airlines deal was found by Cheapflights users on 10/28. 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.
sáb 12/612:25 pmBOS - SJC
1 stop9h 07mAmerican Airlines
sáb 12/1311:13 amSJC - BOS
1 stop8h 47mAmerican Airlines
Deal found 10/28$252

Cheap flight deals from Boston to San Francisco Bay Area

Keep the following information in mind while searching for Boston to San Francisco Bay Area flight deals. Data was last updated outubro 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$206
(JetBlue)

One-way from

$107
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$391
Provider with most accurate pricing for Boston Logan Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Francisco flights.
Search Deals
From Boston Logan Intl to San Francisco Bay Area
Search Deals
One-way flight from Boston Logan Intl to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
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 outubro 30, 2025.
Use the filters below to find and compare flights from Boston to San Francisco Bay Area that are best for you.

Fly from

Boston

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sáb 1/10

1:25 pm-10:49 pm

1 stop12h 24m

San Francisco

ter 1/13

7:00 am-7:57 pm

1 stop9h 57m

$217

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

seg 12/15

7:20 am-1:55 pm

1 stop9h 35m

San Francisco

qua 12/17

5:50 am-4:05 pm

1 stop7h 15m

$217

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

qua 11/12

8:12 pm-11:59 pm

Nonstop6h 47m

San Francisco

qua 12/3

9:16 pm-5:50 am

Nonstop5h 34m

$217

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

qui 11/13

8:12 pm-11:59 pm

Nonstop6h 47m

San Francisco

qua 12/3

9:16 pm-5:50 am

Nonstop5h 34m

$217

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

qua 1/21

10:00 am-1:54 pm

Nonstop6h 54m

San Francisco

dom 1/25

10:51 am-12:16 am

1 stop10h 25m

$231

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sex 11/14

3:45 pm-7:34 pm

Nonstop6h 49m

San Francisco

ter 11/18

3:20 pm-11:51 pm

Nonstop5h 31m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

qui 11/13

7:10 am-11:00 am

Nonstop6h 50m

San Francisco

ter 11/18

3:20 pm-11:51 pm

Nonstop5h 31m

$237

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

dom 11/23

6:12 pm-9:59 pm

Nonstop6h 47m

San Francisco

sáb 12/6

7:00 am-8:07 pm

1 stop10h 07m

$245

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sex 1/9

1:25 pm-10:49 pm

1 stop12h 24m

San Francisco

seg 1/26

8:26 am-5:05 pm

Nonstop5h 39m

$249

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

seg 12/8

6:52 pm-10:48 pm

Nonstop6h 56m

San Francisco

ter 12/9

7:00 am-11:59 pm

2 stops13h 59m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Francisco Bay Area

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

Currently, March is the cheapest month in which you can book a flight from Boston to San Francisco Bay Area (average of $98). Flying from Boston to San Francisco Bay Area in May is currently the most expensive (average of $178). 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 outubro 30, 2025.

It’s optimal to fly from Boston to San Francisco Bay Area in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

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

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

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

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 outubro 30, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Boston to San Francisco Bay Area have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,220 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,996 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,034 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
JetBlue
7.2
Good
2,906 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 77 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 Boston to San Francisco Bay Area?

    Departing from Boston to San Francisco Bay Area will take you 9h 35m. The distance from Boston to San Francisco Bay Area is about 2696 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $109 on Southwest. Other airlines that offer cheap prices include Alaska Airlines from $125 and JetBlue from $147 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 Qantas Airways (100%), Air China (97%) or ANA (91%) 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 $1,005 for a flight from Boston to San Francisco Bay Area. The cheapest flight overall is $120 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $184.

  • 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, March is the cheapest month in which you can book a flight from Boston to San Francisco Bay Area (average of $98). Flying from Boston to San Francisco Bay Area in May is currently the most expensive (average of $178). 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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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 outubro 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$212FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$98Average$313FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$323FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$141Average$315FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$153Average$439FlexibilityNo cancel feeOn-time63%
DeltaCheapest$190Average$372FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$228Average$398FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$404FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$481FlexibilityNo cancel feeOn-time71%

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