Cheap flights from Boston to San Francisco from ₹ 11,905
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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
12 Apr — 19 Apr1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to San Francisco are usually found in September or January, booked 90 days in advance, depart on a Monday or Wednesday and return on a Wednesday
Cheap flight deals from Boston to San Francisco
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Boston to San Francisco
Explore the most affordable flight options available from Boston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.
Tue 5/518:42
BOS
-
SFO
1 stop17h 45m
Alaska Airlines
Wed 27/506:16
SFO
-
BOS
1 stop20h 28m
Alaska Airlines
Deal found 9/3₹ 23,718
Tue 14/720:55
BOS
-
SFO
Nonstop7h 01m
Delta
Wed 12/812:20
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 9/3₹ 24,640
Sun 24/507:35
BOS
-
SFO
Nonstop6h 42m
Delta
Wed 19/814:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 9/3₹ 25,102
Wed 6/507:00
BOS
-
SFO
1 stop10h 21m
Alaska Airlines
Sat 9/519:59
SFO
-
BOS
1 stop16h 34m
Alaska Airlines
Deal found 10/3₹ 25,563
Mon 4/516:33
BOS
-
SFO
2 stops18h 07m
Alaska Airlines
Tue 12/518:01
SFO
-
BOS
1 stop8h 43m
Alaska Airlines
Deal found 8/3₹ 25,932
Wed 12/807:00
BOS
-
SFO
Nonstop6h 57m
Delta
Wed 19/814:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 10/3₹ 26,486
Sun 24/507:35
BOS
-
SFO
Nonstop6h 42m
Delta
Sun 19/722:00
SFO
-
BOS
Nonstop5h 54m
Delta
Deal found 9/3₹ 26,948
Wed 6/506:20
BOS
-
SFO
2 stops16h 35m
Southwest
Fri 8/522:55
SFO
-
BOS
1 stop11h 15m
Southwest
Deal found 11/3₹ 27,040
Sat 30/506:00
BOS
-
SFO
Nonstop6h 27m
United Airlines
Sat 6/621:25
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 8/3₹ 27,132
Wed 27/516:55
BOS
-
SFO
1 stop10h 38m
JetBlue
Tue 14/723:48
SFO
-
BOS
Nonstop5h 40m
JetBlue
Deal found 9/3₹ 27,224
Mon 4/516:33
BOS
-
SFO
2 stops20h 23m
Alaska Airlines
Sat 9/517:47
SFO
-
BOS
1 stop10h 25m
Alaska Airlines
Deal found 8/3₹ 27,317
Best flights from Boston to San Francisco
Discover carefully curated flight deals from Boston to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 March 2026.
Mon 6/405:30
BOS
-
SFO
Nonstop6h 41m
United Airlines
Sun 12/414:00
SFO
-
BOS
Nonstop5h 58m
United Airlines
Deal found 9/3₹ 25,563
Fri 3/720:55
BOS
-
SFO
Nonstop7h 01m
Delta
Wed 8/714:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 8/3₹ 27,224
Wed 22/405:45
BOS
-
SFO
1 stop8h 15m
Southwest
Fri 8/523:25
SFO
-
BOS
1 stop8h 35m
Southwest
Deal found 13/3₹ 29,255
Thu 9/421:15
BOS
-
SFO
Nonstop6h 49m
JetBlue
Sun 19/414:00
SFO
-
BOS
Nonstop5h 45m
JetBlue
Deal found 9/3₹ 30,085
Wed 8/405:30
BOS
-
SFO
Nonstop6h 41m
United Airlines
Sun 12/414:00
SFO
-
BOS
Nonstop5h 58m
United Airlines
Deal found 8/3₹ 25,563
Wed 15/420:45
BOS
-
SFO
Nonstop6h 42m
Delta
Sun 19/422:30
SFO
-
BOS
Nonstop5h 55m
Delta
Deal found 11/3₹ 27,409
Tue 28/414:25
BOS
-
SFO
2 stops10h 45m
Southwest
Wed 29/405:25
SFO
-
BOS
1 stop10h 10m
Southwest
Deal found 12/3₹ 29,716
Thu 14/506:00
BOS
-
SFO
Nonstop6h 45m
United Airlines
Sat 23/521:25
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 10/3₹ 27,409
Mon 30/317:20
BOS
-
SFO
Nonstop6h 53m
Delta
Fri 1/505:59
SFO
-
BOS
1 stop21h 56m
Delta
Deal found 8/3₹ 29,993
Wed 25/311:00
BOS
-
SFO
Nonstop6h 52m
United Airlines
Tue 31/310:15
SFO
-
BOS
Nonstop5h 51m
United Airlines
Deal found 10/3₹ 28,793
Fri 3/720:55
BOS
-
SFO
Nonstop7h 01m
Delta
Sun 19/722:00
SFO
-
BOS
Nonstop5h 54m
Delta
Deal found 11/3₹ 30,916
Wed 13/505:35
BOS
-
SFO
1 stop8h 05m
Southwest
Wed 27/519:15
SFO
-
BOS
2 stops9h 50m
Southwest
Deal found 10/3₹ 34,238
Direct flights from Boston to San Francisco
Explore direct flight options from Boston to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 March 2026.
Tue 14/720:55
BOS
-
SFO
Nonstop6h 36m
JetBlue
Wed 22/723:48
SFO
-
BOS
Nonstop5h 40m
JetBlue
Deal found 8/3₹ 24,640
Sun 24/507:35
BOS
-
SFO
Nonstop6h 42m
Delta
Tue 14/714:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 9/3₹ 25,102
Wed 6/520:45
BOS
-
SFO
Nonstop6h 42m
Delta
Mon 11/521:54
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 8/3₹ 25,563
Wed 12/807:00
BOS
-
SFO
Nonstop6h 57m
Delta
Wed 19/814:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 10/3₹ 26,486
Sun 24/507:35
BOS
-
SFO
Nonstop6h 42m
Delta
Sun 19/722:00
SFO
-
BOS
Nonstop5h 54m
Delta
Deal found 9/3₹ 26,948
Sat 30/506:00
BOS
-
SFO
Nonstop6h 27m
United Airlines
Sat 6/621:25
SFO
-
BOS
Nonstop5h 56m
United Airlines
Deal found 8/3₹ 27,132
Thu 2/720:55
BOS
-
SFO
Nonstop7h 01m
Delta
Wed 8/714:50
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 8/3₹ 27,224
Thu 2/407:40
BOS
-
SFO
Nonstop6h 58m
Delta
Wed 8/407:25
SFO
-
BOS
Nonstop5h 35m
Delta
Deal found 12/3₹ 27,317
Wed 29/416:50
BOS
-
SFO
Nonstop6h 43m
Delta
Sun 3/522:30
SFO
-
BOS
Nonstop5h 55m
Delta
Deal found 10/3₹ 27,409
Thu 2/421:15
BOS
-
SFO
Nonstop6h 44m
JetBlue
Wed 8/415:10
SFO
-
BOS
Nonstop5h 48m
JetBlue
Deal found 11/3₹ 27,594
Sun 29/307:30
BOS
-
SFO
Nonstop6h 43m
United Airlines
Tue 31/321:16
SFO
-
BOS
Nonstop6h 05m
United Airlines
Deal found 8/3₹ 27,686
Tue 28/415:28
BOS
-
SFO
Nonstop8h 56m
United Airlines
Sat 2/516:15
SFO
-
BOS
Nonstop5h 55m
United Airlines
Deal found 12/3₹ 27,963
Last-minute flights from Boston to San Francisco
Discover last-minute flight deals from Boston to San Francisco. Data last updated 13 March 2026 and is based on user searches.
Thu 2/421:15
BOS
-
SFO
Nonstop6h 44m
JetBlue
Wed 8/415:10
SFO
-
BOS
Nonstop5h 48m
JetBlue
Deal found 11/3₹ 27,594
Fri 3/416:27
BOS
-
SFO
1 stop10h 02m
Alaska Airlines
Wed 8/408:00
SFO
-
BOS
1 stop18h 53m
Alaska Airlines
Deal found 9/3₹ 25,102
Sun 5/405:30
BOS
-
SFO
Nonstop6h 41m
United Airlines
Thu 9/406:00
SFO
-
BOS
1 stop8h 10m
United Airlines
Deal found 9/3₹ 28,240
Mon 6/405:30
BOS
-
SFO
Nonstop6h 41m
United Airlines
Fri 10/423:20
SFO
-
BOS
1 stop7h 44m
United Airlines
Deal found 9/3₹ 26,486
Tue 7/421:15
BOS
-
SFO
Nonstop6h 49m
JetBlue
Wed 15/415:10
SFO
-
BOS
Nonstop5h 48m
JetBlue
Deal found 8/3₹ 25,563
Tue 7/414:25
BOS
-
SFO
2 stops10h 45m
Southwest
Wed 8/423:25
SFO
-
BOS
1 stop8h 30m
Southwest
Deal found 9/3₹ 27,870
Wed 8/407:40
BOS
-
SFO
Nonstop6h 58m
Delta
Tue 14/408:45
SFO
-
BOS
1 stop12h 14m
Delta
Deal found 8/3₹ 27,317
Tue 28/415:28
BOS
-
SFO
Nonstop8h 56m
United Airlines
Sat 2/516:15
SFO
-
BOS
Nonstop5h 55m
United Airlines
Deal found 12/3₹ 27,963
Wed 29/420:45
BOS
-
SFO
Nonstop6h 42m
Delta
Fri 8/521:54
SFO
-
BOS
Nonstop5h 51m
Delta
Deal found 10/3₹ 27,409
Thu 30/407:37
BOS
-
SFO
1 stop19h 00m
Delta
Sun 3/522:30
SFO
-
BOS
Nonstop5h 55m
Delta
Deal found 8/3₹ 26,763
One-way flights from Boston to San Francisco
Search for one-way flight options from Boston to San Francisco. Find affordable one-way fares based on user searches. Data last updated 13 March 2026.
Mon 4/516:33
BOS
-
SFO
1 stop10h 11m
Alaska Airlines
Deal found 8/3₹ 11,905
Tue 16/620:55
BOS
-
SFO
Nonstop7h 01m
Delta
Deal found 9/3₹ 12,366
Wed 13/520:59
BOS
-
SFO
Nonstop6h 33m
Delta
Deal found 9/3₹ 12,828
Fri 17/416:50
BOS
-
SFO
Nonstop6h 46m
JetBlue
Deal found 9/3₹ 12,920
Sat 5/910:00
BOS
-
SFO
Nonstop6h 57m
Delta
Deal found 10/3₹ 13,289
Wed 13/520:19
BOS
-
SFO
Nonstop6h 40m
JetBlue
Deal found 10/3₹ 13,751
Wed 9/917:45
BOS
-
SFO
1 stop8h 54m
Alaska Airlines
Deal found 9/3₹ 14,028
Tue 24/309:00
BOS
-
SFO
1 stop10h 40m
Alaska Airlines
Deal found 10/3₹ 14,212
Tue 14/420:45
BOS
-
SFO
Nonstop6h 42m
Delta
Deal found 13/3₹ 14,674
Wed 9/907:00
BOS
-
SFO
Nonstop6h 57m
Delta
Deal found 9/3₹ 14,950
Tue 7/414:25
BOS
-
SFO
2 stops10h 45m
Southwest
Deal found 10/3₹ 15,135
Thu 9/405:30
BOS
-
SFO
Nonstop6h 41m
United Airlines
Deal found 11/3₹ 15,412
Find flight deals from Boston to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Francisco (SFO). 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 13 March 2026.
Customise your flight search to find flights from Boston to San Francisco 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 454,620 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from Boston to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 6/4
05:30-09:11
Nonstop6h 41m
San Francisco
Sun 12/4
14:00-22:58
Nonstop5h 58m
₹ 25,563
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 8/4
05:30-09:11
Nonstop6h 41m
San Francisco
Sun 12/4
14:00-22:58
Nonstop5h 58m
₹ 25,563
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 3/7
20:55-00:56
Nonstop7h 01m
San Francisco
Wed 8/7
14:50-23:41
Nonstop5h 51m
₹ 27,224
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 15/4
20:45-00:27
Nonstop6h 42m
San Francisco
Sun 19/4
22:30-07:25
Nonstop5h 55m
₹ 27,409
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 14/5
06:00-09:45
Nonstop6h 45m
San Francisco
Sat 23/5
21:25-06:21
Nonstop5h 56m
₹ 27,409
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 25/3
11:00-14:52
Nonstop6h 52m
San Francisco
Tue 31/3
10:15-19:06
Nonstop5h 51m
₹ 28,793
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 22/4
05:45-11:00
1 stop8h 15m
San Francisco
Fri 8/5
23:25-11:00
1 stop8h 35m
₹ 29,255
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 28/4
14:25-22:10
2 stops10h 45m
San Francisco
Wed 29/4
05:25-18:35
1 stop10h 10m
₹ 29,716
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 30/3
17:20-21:13
Nonstop6h 53m
San Francisco
Fri 1/5
05:59-06:55
1 stop21h 56m
₹ 29,993
Fastest return journey
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 9/4
21:15-01:04
Nonstop6h 49m
San Francisco
Sun 19/4
14:00-22:45
Nonstop5h 45m
₹ 30,085
Flights are sorted by cheapest return flights first.
Deals found on 9/3
Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Boston to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.
BOS-SFO
Estimated return 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
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to San Francisco?
Use this chart to determine the optimal time to book a return flight from Boston to San Francisco. Price data was last updated on 6 March 2026.
The best time to book flights from Boston to San Francisco is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boston to San Francisco?
Currently, November is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 13,751). Flying from Boston to San Francisco in January is currently the most expensive (average of ₹ 18,180). 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 SFO?
Find hourly flight availability from Boston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 March 2026.
A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the evening. If you’re flexible enough to do this you can expect to save up to 84% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Boston to San Francisco
Explore weekly flight availability from Boston to San Francisco. 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 13 March 2026.
The most flights from BOS to SFO are scheduled on a Friday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
How often are flights from Boston to San Francisco delayed?
About 16% of weekly flights between Boston and San Francisco have experienced delays in the past year, with the average delay time being 176 minutes.
What is the most punctual flight time for Boston to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to San Francisco flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated 13 March 2026.
See what other customers who have flown with Delta and JetBlue from Boston to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from Boston to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airports do I use to fly from Boston to San Francisco?
If you wish to fly to San Francisco from Boston, then you need to book flights from Boston Logan Intl to San Francisco. There are 30 flights from Logan Intl (BOS) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Logan Intl are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 6h 52m is how long a nonstop flight from Boston to San Francisco typically takes.
How popular is this Boston to San Francisco flight route?
This flight path from Boston Logan Intl to San Francisco was viewed by 6 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?
A quick flight from Boston to San Francisco can take about 6h 45m. Delta provides one of the quickest options available for as low as ₹ 27,409. The distance from Boston to San Francisco is about 4339 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Boston to San Francisco round-trip?
Delta, at ₹ 11,950, was found to be the cheapest airline from Boston to San Francisco. An alternate airline flying to your destination would be JetBlue. Delta is currently priced 65% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Boston to San Francisco one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as ₹ 9,072. However, be on the lookout for offers from JetBlue and Hawaiian Airlines, as they are both options that can get you from Boston to San Francisco for a low price.
What are the most reliable airlines from Boston to San Francisco?
Consider Southwest (100%), JetBlue (83%) or WestJet (81%) when booking your flight. These represent the most reliable airlines when flying from Boston to San Francisco.
Can I find deals for flights from Boston to San Francisco that include hotel bookings?
Yes. In addition to deals on Boston to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Boston to San Francisco?
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.
Can I find deals for business class flights from Boston to San Francisco?
Yes. Cheapflights offers flight deals from Boston to San Francisco 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?
Currently, November is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 13,751). Flying from Boston to San Francisco in January is currently the most expensive (average of ₹ 18,180). 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.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 March 2026.
Top 2 airlines flying from Boston to San Francisco
Discover the top 2 airlines that operate flights from Boston to San Francisco. 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 454,620 searches. Data last updated 13 March 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to San Francisco?
When you search for this flight from Boston to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Boston to San Francisco?
Millions of users choose and trust Cheapflights to book the best flight deals from Boston to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Boston to San Francisco with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to San Francisco flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Boston to San Francisco become cheaper?
Of course! You can now track prices for flights from Boston to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.