Cheap flights from Boston to San Francisco from ₹ 10,720
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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
8 Jan — 15 Jan1
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 March or September, booked 67 days in advance, depart on a Tuesday or Monday and return on a Saturday
Cheap flight deals from Boston to San Francisco
Enter your travel dates to find the best prices.
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 9 December 2025.
Fri 26/1220:59BOS - SFO
Nonstop6h 53mJetBlue
Tue 30/1220:44SFO - BOS
Nonstop5h 31mJetBlue
Deal found 7/12₹ 28,377
Thu 25/1214:55BOS - SFO
1 stop10h 53mJetBlue
Sun 28/1213:15SFO - BOS
Nonstop5h 38mJetBlue
Deal found 7/12₹ 29,098
Tue 16/1206:00BOS - SFO
Nonstop6h 45mUnited Airlines
Wed 4/208:25SFO - BOS
Nonstop5h 48mUnited Airlines
Deal found 9/12₹ 31,260
Tue 23/1219:44BOS - SFO
1 stop8h 33mUnited Airlines
Sat 10/108:25SFO - BOS
Nonstop5h 48mUnited Airlines
Deal found 7/12₹ 31,530
Sat 13/1220:05BOS - SFO
Nonstop6h 54mDelta
Wed 28/113:00SFO - BOS
Nonstop5h 37mDelta
Deal found 8/12₹ 32,611
Tue 16/1216:24BOS - SFO
1 stop9h 24mAlaska Airlines
Wed 4/207:00SFO - BOS
1 stop7h 39mAlaska Airlines
Deal found 9/12₹ 32,971
Wed 31/1219:44BOS - SFO
1 stop8h 33mUnited Airlines
Sat 3/123:06SFO - BOS
1 stop8h 31mUnited Airlines
Deal found 9/12₹ 33,151
Tue 23/1219:44BOS - SFO
1 stop8h 33mUnited Airlines
Tue 6/112:55SFO - BOS
1 stop7h 54mUnited Airlines
Deal found 7/12₹ 33,512
Mon 8/1220:14BOS - SFO
Nonstop6h 45mJetBlue
Thu 11/1211:45SFO - BOS
Nonstop5h 34mJetBlue
Deal found 7/12₹ 33,962
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 9 December 2025.
Thu 15/107:50BOS - SFO
Nonstop7h 00mDelta
Tue 20/113:00SFO - BOS
Nonstop5h 37mDelta
Deal found 7/12₹ 20,449
Wed 21/113:50BOS - SFO
Nonstop6h 55mUnited Airlines
Sat 24/122:50SFO - BOS
1 stop9h 21mUnited Airlines
Deal found 7/12₹ 21,350
Wed 21/116:20BOS - SFO
1 stop9h 27mAlaska Airlines
Sun 25/107:57SFO - BOS
1 stop28h 23mAlaska Airlines
Deal found 8/12₹ 22,161
Wed 4/205:12BOS - SFO
1 stop9h 58mJetBlue
Tue 10/212:15SFO - BOS
Nonstop5h 38mJetBlue
Deal found 7/12₹ 22,521
Wed 7/117:40BOS - SFO
Nonstop7h 02mDelta
Mon 12/107:10SFO - BOS
Nonstop5h 41mDelta
Deal found 8/12₹ 20,449
Wed 21/107:11BOS - SFO
Nonstop6h 59mJetBlue
Sat 24/107:00SFO - BOS
1 stop10h 18mJetBlue
Deal found 8/12₹ 22,521
Tue 10/216:20BOS - SFO
1 stop9h 27mAlaska Airlines
Mon 16/206:30SFO - BOS
1 stop14h 29mAlaska Airlines
Deal found 8/12₹ 24,413
Fri 9/107:50BOS - SFO
Nonstop7h 00mDelta
Mon 12/113:00SFO - BOS
Nonstop5h 37mDelta
Deal found 7/12₹ 22,251
Tue 3/210:41BOS - SFO
1 stop9h 34mJetBlue
Sun 8/220:30SFO - BOS
Nonstop5h 31mJetBlue
Deal found 8/12₹ 24,323
Sat 31/117:40BOS - SFO
Nonstop7h 02mDelta
Sun 8/207:10SFO - BOS
Nonstop5h 41mDelta
Deal found 8/12₹ 22,251
Tue 10/210:00BOS - SFO
Nonstop6h 54mJetBlue
Mon 16/208:00SFO - BOS
1 stop9h 03mJetBlue
Deal found 7/12₹ 24,503
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 9 December 2025.
Wed 7/119:09BOS - SFO
Nonstop6h 50mJetBlue
Sun 1/220:30SFO - BOS
Nonstop5h 31mJetBlue
Deal found 9/12₹ 20,449
Mon 12/119:09BOS - SFO
Nonstop6h 50mJetBlue
Tue 20/115:25SFO - BOS
Nonstop5h 33mJetBlue
Deal found 9/12₹ 20,539
Tue 10/215:25BOS - SFO
Nonstop6h 50mJetBlue
Mon 16/220:41SFO - BOS
Nonstop5h 31mJetBlue
Deal found 9/12₹ 21,620
Thu 8/110:00BOS - SFO
Nonstop6h 55mJetBlue
Thu 5/215:25SFO - BOS
Nonstop5h 33mJetBlue
Deal found 9/12₹ 22,251
Tue 6/117:40BOS - SFO
Nonstop7h 02mDelta
Tue 13/113:00SFO - BOS
Nonstop5h 37mDelta
Deal found 7/12₹ 22,701
Mon 9/215:25BOS - SFO
Nonstop6h 50mJetBlue
Sun 15/220:41SFO - BOS
Nonstop5h 31mJetBlue
Deal found 9/12₹ 23,422
Fri 8/506:50BOS - SFO
Nonstop6h 39mJetBlue
Fri 8/514:10SFO - BOS
Nonstop5h 41mJetBlue
Deal found 8/12₹ 24,143
Tue 6/117:40BOS - SFO
Nonstop7h 02mDelta
Sat 10/107:10SFO - BOS
Nonstop5h 41mDelta
Deal found 6/12₹ 24,503
Fri 8/519:55BOS - SFO
Nonstop7h 01mDelta
Sat 23/507:00SFO - BOS
Nonstop5h 51mDelta
Deal found 9/12₹ 24,593
Tue 13/110:56BOS - SFO
Nonstop6h 55mUnited Airlines
Sun 18/123:25SFO - BOS
Nonstop5h 45mUnited Airlines
Deal found 9/12₹ 24,683
Thu 7/514:00BOS - SFO
Nonstop6h 35mJetBlue
Thu 7/521:30SFO - BOS
Nonstop5h 38mJetBlue
Deal found 8/12₹ 25,224
Sat 10/119:45BOS - SFO
Nonstop6h 53mJetBlue
Wed 4/220:30SFO - BOS
Nonstop5h 31mJetBlue
Deal found 9/12₹ 25,404
Last-minute flights from Boston to San Francisco
Discover last-minute flight deals from Boston to San Francisco. Data last updated 9 December 2025 and is based on user searches.
Tue 6/110:56BOS - SFO
Nonstop6h 55mUnited Airlines
Tue 10/213:00SFO - BOS
Nonstop5h 42mUnited Airlines
Deal found 7/12₹ 21,620
Tue 6/117:40BOS - SFO
Nonstop7h 02mDelta
Tue 13/113:00SFO - BOS
Nonstop5h 37mDelta
Deal found 7/12₹ 22,701
Wed 7/119:09BOS - SFO
Nonstop6h 50mJetBlue
Fri 6/212:15SFO - BOS
Nonstop5h 38mJetBlue
Deal found 9/12₹ 20,449
Wed 7/107:55BOS - SFO
Nonstop6h 53mUnited Airlines
Sat 10/122:52SFO - BOS
1 stop8h 44mUnited Airlines
Deal found 9/12₹ 21,350
Thu 8/110:00BOS - SFO
Nonstop6h 55mJetBlue
Thu 5/215:25SFO - BOS
Nonstop5h 33mJetBlue
Deal found 9/12₹ 22,251
Thu 8/105:45BOS - SFO
1 stop8h 38mUnited Airlines
Sun 11/123:25SFO - BOS
Nonstop5h 45mUnited Airlines
Deal found 9/12₹ 23,152
Mon 12/119:09BOS - SFO
Nonstop6h 50mJetBlue
Tue 20/115:25SFO - BOS
Nonstop5h 33mJetBlue
Deal found 9/12₹ 20,539
Wed 21/116:20BOS - SFO
1 stop9h 27mAlaska Airlines
Tue 27/107:00SFO - BOS
1 stop7h 39mAlaska Airlines
Deal found 9/12₹ 20,359
Wed 21/116:20BOS - SFO
1 stop9h 27mAlaska Airlines
Mon 26/107:57SFO - BOS
1 stop28h 23mAlaska Airlines
Deal found 9/12₹ 22,161
Wed 21/107:11BOS - SFO
Nonstop6h 59mJetBlue
Sun 25/120:37SFO - BOS
1 stop8h 20mJetBlue
Deal found 9/12₹ 22,521
Wed 28/116:20BOS - SFO
1 stop9h 27mAlaska Airlines
Mon 2/316:21SFO - BOS
1 stop11h 33mAlaska Airlines
Deal found 8/12₹ 23,332
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 9 December 2025.
Tue 20/106:50BOS - SFO
2 stops10h 30mSouthwest
Deal found 9/12₹ 10,720
Wed 11/210:56BOS - SFO
Nonstop6h 55mUnited Airlines
Deal found 8/12₹ 10,810
Thu 8/117:57BOS - SFO
Nonstop6h 53mUnited Airlines
Deal found 9/12₹ 11,171
Mon 12/116:20BOS - SFO
1 stop9h 27mAlaska Airlines
Deal found 9/12₹ 12,071
Mon 9/307:00BOS - SFO
Nonstop6h 59mJetBlue
Deal found 9/12₹ 12,342
Wed 7/106:50BOS - SFO
2 stops10h 30mSouthwest
Deal found 8/12₹ 12,522
Thu 5/317:44BOS - SFO
1 stop9h 15mAlaska Airlines
Deal found 9/12₹ 13,152
Sun 1/205:10BOS - SFO
1 stop9h 55mJetBlue
Deal found 9/12₹ 13,243
Tue 6/117:40BOS - SFO
Nonstop7h 02mDelta
Deal found 9/12₹ 13,423
Tue 10/312:00BOS - SFO
2 stops11h 00mSouthwest
Deal found 9/12₹ 13,693
Wed 7/107:55BOS - SFO
Nonstop6h 53mUnited Airlines
Deal found 8/12₹ 13,873
Sat 4/406:00BOS - SFO
1 stop10h 21mAlaska Airlines
Deal found 9/12₹ 14,233
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 9 December 2025.
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 9 December 2025.
Use the filters below to find and compare flights from Boston to San Francisco that are best for you.
Fly from
Boston
Fly to
San Francisco
Route
Depart
Return
Price
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 15/1
07:50-11:50
Nonstop7h 00m
San Francisco
Tue 20/1
13:00-21:37
Nonstop5h 37m
₹ 20,449
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 7/1
17:40-21:42
Nonstop7h 02m
San Francisco
Mon 12/1
07:10-15:51
Nonstop5h 41m
₹ 20,449
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 21/1
13:50-17:45
Nonstop6h 55m
San Francisco
Sat 24/1
22:50-11:11
1 stop9h 21m
₹ 21,350
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 21/1
16:20-22:47
1 stop9h 27m
San Francisco
Sun 25/1
07:57-15:20
1 stop28h 23m
₹ 22,161
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 9/1
07:50-11:50
Nonstop7h 00m
San Francisco
Mon 12/1
13:00-21:37
Nonstop5h 37m
₹ 22,251
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 31/1
17:40-21:42
Nonstop7h 02m
San Francisco
Sun 8/2
07:10-15:51
Nonstop5h 41m
₹ 22,251
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 4/2
05:12-12:10
1 stop9h 58m
San Francisco
Tue 10/2
12:15-20:53
Nonstop5h 38m
₹ 22,521
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 21/1
07:11-11:10
Nonstop6h 59m
San Francisco
Sat 24/1
07:00-20:18
1 stop10h 18m
₹ 22,521
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 3/2
10:41-17:15
1 stop9h 34m
San Francisco
Sun 8/2
20:30-05:01
Nonstop5h 31m
₹ 24,323
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 10/2
16:20-22:47
1 stop9h 27m
San Francisco
Mon 16/2
06:30-23:59
1 stop14h 29m
₹ 24,413
Flights are sorted by cheapest return flights first.
Deals found on 9/12
Showing 1-10 of 23 results
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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.
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 5 December 2025.
The best time to book flights from Boston to San Francisco is 67 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, March is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 9,279). Flying from Boston to San Francisco in May is currently the most expensive (average of ₹ 16,125). 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 9 December 2025.
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 85% 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 9 December 2025.
The most flights from BOS to SFO are scheduled on a Monday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).
How often are flights from Boston to San Francisco delayed?
About 15% of weekly flights between Boston and San Francisco have experienced delays in the past year, with the average delay time being 168 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 13% 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 9 December 2025.
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 35 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 54m 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 9 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 59m. JetBlue provides one of the quickest options available for as low as ₹ 21,620. The distance from Boston to San Francisco is about 4339 km. Generally, flights for this route are direct.
What are the cheapest airlines flying from Boston to San Francisco round-trip?
Delta, at ₹ 11,665, 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 64% 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 ₹ 8,855. 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 China Eastern (100%), Air China (93%) or ANA (89%) when booking your flight. These represent the most reliable airlines when flying from Boston to San Francisco.
What are the cheapest flights from Boston to San Francisco?
Looking for the cheapest flight from Boston to San Francisco? While on average our users pay ₹ 22,838, our data indicates the cheapest price to be ₹ 18,781. The most popular route (Boston Logan Intl - San Francisco), is priced around ₹ 36,665.
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, March is the cheapest month in which you can book a flight from Boston to San Francisco (average of ₹ 9,279). Flying from Boston to San Francisco in May is currently the most expensive (average of ₹ 16,125). 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 9 December 2025.
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 9 December 2025.
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.
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