$116+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Boston to San Francisco Bay Area 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 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 abril 17, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $183 (Flightnetwork) |
One-way from | $116 (CheapOair) |
Popular in | June |
Cheapest in | September |
Average price | $375 |
Find flight deals from Boston to San Francisco Bay Area
Cheapest flights from Boston to San Francisco Bay AreaExplore 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 abril 17, 2025.
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 abril 17, 2025.
This Flightnetwork deal was found by Cheapflights users on 4/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/16. 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.
This JetBlue deal was found by Cheapflights users on 4/17. 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.
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/17. 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.
This Delta deal was found by Cheapflights users on 4/17. 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.
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 abril 17, 2025.
Use the filters below to find and compare flights from Boston to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
sáb. 5/3
9:40 am-10:22 pm
1 stop15h 42m
San Francisco
dom. 5/18
11:50 pm-11:52 am
1 stop9h 02m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
sáb. 5/10
7:47 pm-11:34 pm
Nonstop6h 47m
San Francisco
sáb. 5/17
8:47 pm-5:40 am
Nonstop5h 53m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
sáb. 5/24
7:59 pm-11:44 pm
Nonstop6h 45m
San Francisco
mar. 6/10
8:47 pm-5:40 am
Nonstop5h 53m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
sáb. 5/10
9:20 pm-1:02 am
Nonstop6h 42m
San Francisco
sáb. 5/17
8:44 pm-5:25 am
Nonstop5h 41m
BostonOakland
BOS - OAK
BOSOAK
Boston Logan Intl
mié. 5/14
10:04 am-10:25 pm
2 stops15h 21m
Oakland
mié. 5/21
9:09 pm-9:09 am
2 stops33h 00m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
jue. 5/8
8:30 pm-12:16 am
Nonstop6h 46m
San Francisco
mar. 5/13
7:00 am-3:45 pm
Nonstop5h 45m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
mar. 5/13
6:05 am-9:45 am
Nonstop6h 40m
San Francisco
vie. 5/16
9:25 pm-6:13 am
Nonstop5h 48m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
lun. 6/16
8:19 pm-11:59 pm
Nonstop6h 40m
San Francisco
vie. 8/15
9:28 pm-6:10 am
Nonstop5h 42m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
mar. 6/3
4:54 pm-10:26 pm
1 stop8h 32m
San Francisco
sáb. 6/7
6:47 pm-5:42 am
1 stop7h 55m
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
mié. 5/21
6:10 am-2:28 pm
3 stops35h 18m
San Jose
mar. 5/27
4:28 pm-10:56 pm
2 stops27h 28m
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.
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, 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 $393). 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 abril 17, 2025.
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 abril 17, 2025.
The most flights from BOS to zzXIH are scheduled on a Thursday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 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 abril 17, 2025.
To help decide which airline to fly from Boston to San Francisco Bay Area, see what other customers have to say about Alaska Airlines, Southwest 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.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
Top 10 airlines flying from Boston to San Francisco Bay Area
Discover the top 10 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 abril 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$456 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$135 | Average$340 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$150 | Average$333 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$161 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$275 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$187 | Average$449 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$227 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$471 | FlexibilityNo cancel fee | On-time63% |