Cheap flights from Boston to San Francisco from £98
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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
24 Dec — 31 Dec1
Return
1 adult
Economy
The best prices from Boston Logan Intl to San Francisco are usually found in February or September, booked 56 days in advance, depart on a Monday or Wednesday and return on a Monday
Cheap 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 19 December 2024.
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 19 December 2024.
Tue 24/1207:55BOS - SFO
Nonstop7h 04mDelta
Tue 7/107:30SFO - BOS
Nonstop5h 40mDelta
Deal found 17/12£250
Mon 30/1220:59BOS - SFO
Nonstop6h 46mJetBlue
Thu 9/111:05SFO - BOS
Nonstop5h 38mJetBlue
Deal found 18/12£274
Tue 31/1218:59BOS - SFO
Nonstop7h 04mAlaska Airlines
Tue 7/113:42SFO - BOS
1 stop24h 13mAlaska Airlines
Deal found 18/12£279
Sun 29/1220:35BOS - SFO
Nonstop6h 51mUnited Airlines
Wed 8/108:25SFO - BOS
Nonstop5h 46mUnited Airlines
Deal found 18/12£300
Wed 25/1207:25BOS - SFO
2 stops12h 30mSouthwest
Fri 31/111:05SFO - BOS
2 stops9h 30mSouthwest
Deal found 18/12£401
Mon 30/1211:46BOS - SFO
1 stop26h 00mSun Country Air
Fri 3/118:13SFO - BOS
1 stop13h 38mSun Country Air
Deal found 18/12£497
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 19 December 2024.
Mon 3/218:00BOS - SFO
Nonstop6h 50mUnited Airlines
Thu 6/213:00SFO - BOS
Nonstop5h 43mUnited Airlines
Deal found 17/12£159
Wed 12/207:50BOS - SFO
Nonstop7h 09mDelta
Mon 17/207:30SFO - BOS
Nonstop5h 40mDelta
Deal found 18/12£168
Wed 12/221:32BOS - SFO
Nonstop6h 46mJetBlue
Wed 26/223:20SFO - BOS
Nonstop5h 30mJetBlue
Deal found 19/12£180
Tue 14/117:24BOS - SFO
1 stop24h 53mAlaska Airlines
Tue 21/107:40SFO - BOS
1 stop30h 15mAlaska Airlines
Deal found 17/12£191
Sun 16/222:30BOS - SFO
2 stops16h 20mSouthwest
Wed 19/210:35SFO - BOS
1 stop10h 00mSouthwest
Deal found 18/12£222
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 19 December 2024.
Mon 3/218:00BOS - SFO
Nonstop6h 50mUnited Airlines
Thu 6/213:00SFO - BOS
Nonstop5h 43mUnited Airlines
Deal found 17/12£159
Wed 12/207:50BOS - SFO
Nonstop7h 09mDelta
Mon 17/207:30SFO - BOS
Nonstop5h 40mDelta
Deal found 18/12£168
Wed 12/221:32BOS - SFO
Nonstop6h 46mJetBlue
Wed 26/223:20SFO - BOS
Nonstop5h 30mJetBlue
Deal found 19/12£180
Tue 25/319:59BOS - SFO
Nonstop6h 58mAlaska Airlines
Sat 29/307:44SFO - BOS
Nonstop5h 43mAlaska Airlines
Deal found 18/12£318
Last-minute flights from Boston to San Francisco
Discover last-minute flight deals from Boston to San Francisco. Data last updated 19 December 2024 and is based on user searches.
Tue 24/1207:55BOS - SFO
Nonstop7h 04mDelta
Tue 7/107:30SFO - BOS
Nonstop5h 40mDelta
Deal found 17/12£250
Tue 24/1208:30BOS - SFO
Nonstop6h 50mJetBlue
Tue 7/121:44SFO - BOS
1 stop10h 01mJetBlue
Deal found 17/12£280
Wed 25/1207:25BOS - SFO
2 stops12h 30mSouthwest
Fri 31/111:05SFO - BOS
2 stops9h 30mSouthwest
Deal found 18/12£401
Thu 26/1218:59BOS - SFO
Nonstop7h 04mAlaska Airlines
Wed 1/107:00SFO - BOS
Nonstop5h 44mAlaska Airlines
Deal found 18/12£334
Sat 28/1206:45BOS - SFO
1 stop19h 06mSun Country Air
Thu 2/111:18SFO - BOS
1 stop20h 33mSun Country Air
Deal found 18/12£505
Sun 29/1220:35BOS - SFO
Nonstop6h 51mUnited Airlines
Wed 8/108:25SFO - BOS
Nonstop5h 46mUnited Airlines
Deal found 18/12£300
Tue 7/118:00BOS - SFO
Nonstop6h 50mUnited Airlines
Fri 10/106:00SFO - BOS
1 stop7h 53mUnited Airlines
Deal found 17/12£167
Tue 7/114:05BOS - SFO
2 stops11h 10mSouthwest
Wed 8/105:20SFO - BOS
2 stops9h 00mSouthwest
Deal found 18/12£241
Tue 14/117:24BOS - SFO
1 stop24h 53mAlaska Airlines
Tue 21/107:40SFO - BOS
1 stop30h 15mAlaska Airlines
Deal found 17/12£191
Fri 24/107:50BOS - SFO
Nonstop7h 09mDelta
Sat 1/207:30SFO - BOS
Nonstop5h 40mDelta
Deal found 18/12£179
Fri 24/111:48BOS - SFO
1 stop10h 18mAmerican Airlines
Wed 29/100:27SFO - BOS
1 stop7h 35mAmerican Airlines
Deal found 18/12£196
Tue 28/117:55BOS - SFO
Nonstop6h 48mJetBlue
Tue 28/123:59SFO - BOS
1 stop7h 47mJetBlue
Deal found 18/12£182
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 19 December 2024.
Fri 21/316:49BOS - SFO
1 stop9h 28mAlaska Airlines
Deal found 18/12£98
Fri 21/311:00BOS - SFO
Nonstop6h 55mUnited Airlines
Deal found 18/12£103
Mon 12/508:00BOS - SFO
Nonstop6h 34mJetBlue
Deal found 17/12£105
Thu 20/221:05BOS - SFO
2 stops17h 45mSouthwest
Deal found 19/12£106
Wed 16/407:05BOS - SFO
Nonstop7h 03mDelta
Deal found 18/12£113
Sun 1/611:39BOS - SFO
1 stop23h 51mSun Country Air
Deal found 18/12£152
Thu 30/113:00BOS - SFO
2 stops12h 44mAmerican Airlines
Deal found 18/12£443
Find flights from Boston to San Francisco within your budget
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 858,174 searches. Data last updated 19 December 2024.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 3/2
18:00-21:50
Nonstop6h 50m
San Francisco
Thu 6/2
13:00-21:43
Nonstop5h 43m
£159
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 12/2
07:50-11:59
Nonstop7h 09m
San Francisco
Mon 17/2
07:30-16:10
Nonstop5h 40m
£168
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 12/2
21:32-01:18
Nonstop6h 46m
San Francisco
Wed 26/2
23:20-07:50
Nonstop5h 30m
£180
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 14/1
17:24-15:17
1 stop24h 53m
San Francisco
Tue 21/1
07:40-16:55
1 stop30h 15m
£191
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 16/2
22:30-11:50
2 stops16h 20m
San Francisco
Wed 19/2
10:35-23:35
1 stop10h 00m
£222
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 21/3
16:49-23:17
1 stop9h 28m
£98
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 21/3
11:00-14:55
Nonstop6h 55m
£103
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 12/5
08:00-11:34
Nonstop6h 34m
£105
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 20/2
21:05-11:50
2 stops17h 45m
£106
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 16/4
07:05-11:08
Nonstop7h 03m
£113
Flights are sorted by cheapest return flights first.
Deals found on 18/12
Showing 1-10 of 12 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.
Travel insights for flights from Boston to San Francisco
Get recent, data-driven insights about flights from Boston to San Francisco including ideal travel times, pricing trends, and more.
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 13 December 2024.
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £538). Flying from Boston to San Francisco in July is currently the most expensive (average of £742). 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 19 December 2024.
A simple way to save on the total cost of your ticket is to fly from Boston to San Francisco in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.
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 19 December 2024.
The most flights from BOS to SFO are scheduled on a Wednesday (48 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
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 19 December 2024.
See what other customers who have flown with Delta, United Airlines and JetBlue from Boston to San Francisco have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
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. 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?
You will need to book a flight from Boston Logan Intl to San Francisco if you want to fly from Boston to San Francisco. At least 1 airline has flights from Logan Intl (BOS) to San Francisco (SFO) on a regular basis. There are 16 flights to San Francisco from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to SFO to be around 6h 52m.
How popular is this Boston to San Francisco flight route?
Within the past month, 9 users have taken a look at flights from Boston Logan Intl to San Francisco.
What are the cheapest airlines flying from Boston to San Francisco round-trip?
Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at £159. Additional return tickets that might be worth considering are offered by Delta and JetBlue, with the lowest prices starting at £168 and £180, respectively. You may be able to fly from Boston to San Francisco for 43% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Boston to San Francisco one-way?
The cheapet airlines for a one-way flight from Boston to San Francisco are Alaska Airlines (£98), United Airlines (£103), and JetBlue (£105).
What are the most reliable airlines from Boston to San Francisco?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Francisco on time: EL AL (92%), United Airlines (86%), ANA (85%).
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, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of £538). Flying from Boston to San Francisco in July is currently the most expensive (average of £742). 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 19 December 2024.
Discover the top airline 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 858,174 searches. Data last updated 19 December 2024.
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?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Boston to San Francisco?
Cheapflights helps you find that perfect flight to San Francisco from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Boston to San Francisco with no change fees?
Yes! Cheapflights helps users easily find flights from Boston to San Francisco with no change fees.
Can Cheapflights notify me if prices for flights from Boston to San Francisco become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Boston today and book when prices fit your budget.
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