Cheap flights from Boston to San Francisco (BOS - SFO)
The best prices from Boston Logan Intl to San Francisco are usually found in February or January, booked 47 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
How to find the cheapest flight from Boston (BOS) to San Francisco (SFO)
All the information you need to plan the best BOS to SFO flight in 2023: compare Boston to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
BOS - SFO Price | $269 - $622 |
|---|---|
SFO Temperature | 51.8 - 62.6 °F |
SFO Rainfall | 0 - 4.4 inches |
| Popular in | June | High demand for flights, 29% potential price rise |
|---|---|---|
| Cheapest in | February | Best time to find cheap flights, 39% potential price drop |
| Round-trip from | $269 | From Boston Logan Intl to San Francisco |
| One-way from | $99 | One-way flight from Boston Logan Intl to San Francisco |
What is the cheapest day to fly round-trip from Boston to San Francisco?
Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.
How far in advance should I book a flight from Boston to San Francisco?
To save up to 31% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to San Francisco from $489 1-2 weeks out and tickets from $597 for flights departing within the next 72 hours.
What is the cheapest month to fly from Boston to San Francisco?
The best pricing can be found in the month of February. Prices to San Francisco from Boston average $440. You can even find prices in February for less than $440, as users have found deals to San Francisco from as low as $197. The month of June appears to be one of the more expensive times to travel to San Francisco from Boston. Flying in the targeted month can save you up to 41%.
When is the cheapest time to fly from Boston to San Francisco (BOS - SFO)?
It’s typically best to fly out from Boston to San Francisco in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.
Cheap flights from Boston to San Francisco in January, February 2023
The best prices found for BOS to SFO flights for January, February
Boston Logan Intl
San Francisco
2 stops
40h 53mSan Francisco
Boston Logan Intl
2 stops
19h 10mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
40h 53mSan Francisco
Boston Logan Intl
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34h 54mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
19h 41mSan Francisco
Boston Logan Intl
3 stops
22h 53mMultiple Airlines
Boston to San Francisco 2023 flight deals
Cheap flights to San Francisco from Boston found for this year
Boston Logan Intl
San Francisco
2 stops
40h 53mSan Francisco
Boston Logan Intl
2 stops
19h 10mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
40h 53mSan Francisco
Boston Logan Intl
3 stops
34h 54mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
19h 41mSan Francisco
Boston Logan Intl
3 stops
22h 53mMultiple Airlines
Cheap Alaska Airlines flights from Boston to San Francisco
Boston Logan Intl
San Francisco
Nonstop
6h 55mSan Francisco
Boston Logan Intl
Nonstop
5h 40mAlaska Airlines
Boston Logan Intl
San Francisco
Nonstop
7h 05mSan Francisco
Boston Logan Intl
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5h 32mAlaska Airlines
Boston Logan Intl
San Francisco
Nonstop
6h 55mSan Francisco
Boston Logan Intl
Nonstop
5h 40mAlaska Airlines
Alaska Airlines is one of the most popular airlines used for those traveling from Boston to San Francisco. Flights on this route from Alaska Airlines typically cost $377.09 RT, a price that is 48% cheaper than the average Boston to San Francisco flight. The cheapest flight found was $124 RT. Boston Logan Intl Airport is the most common Boston airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Boston to San Francisco, Alaska Airlines flights are 21% more popular than any other airline flying that same route.
Cheap JetBlue flights from Boston to San Francisco
Boston Logan Intl
San Francisco
Nonstop
6h 54mSan Francisco
Boston Logan Intl
Nonstop
5h 27mJetBlue
Boston Logan Intl
San Francisco
1 stop
8h 38mSan Francisco
Boston Logan Intl
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5h 27mJetBlue
Boston Logan Intl
San Francisco
Nonstop
6h 54mSan Francisco
Boston Logan Intl
Nonstop
5h 32mJetBlue
JetBlue is one of the most popular airlines used for those traveling from Boston to San Francisco. Flights from JetBlue traveling this route typically cost $374.09 RT. This price is typically 51% more expensive than other airlines that offer Boston to San Francisco flights. When booking this route, the cheapest RT price found was $145. The most popular departure airport in Boston when flying to San Francisco is Boston Logan Intl Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from Boston to San Francisco, JetBlue flights are 20% more popular than any other airline flying that same route.
Non-stop flights to San Francisco from Boston
Save time with Boston to San Francisco direct flight deals
Boston Logan Intl
San Francisco
Nonstop
6h 55mSan Francisco
Boston Logan Intl
Nonstop
5h 40mAlaska Airlines
Boston Logan Intl
San Francisco
Nonstop
6h 48mSan Francisco
Boston Logan Intl
Nonstop
5h 40mMultiple Airlines
Boston Logan Intl
San Francisco
Nonstop
6h 45mSan Francisco
Boston Logan Intl
Nonstop
5h 33mUnited Airlines
Last minute flights from Boston to San Francisco
Late deals on return flights to San Francisco from Boston, departing today and this week
Boston Logan Intl
San Francisco
2 stops
16h 43mSan Francisco
Boston Logan Intl
Nonstop
5h 40mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
16h 43mSan Francisco
Boston Logan Intl
1 stop
9h 39mMultiple Airlines
Boston Logan Intl
San Francisco
2 stops
16h 43mSan Francisco
Boston Logan Intl
Nonstop
5h 32mMultiple Airlines
One-way flights to San Francisco from Boston
The cheapest one-way flights from Boston to San Francisco
Boston Logan Intl
San Francisco
2 stops
44h 08mMultiple Airlines
Boston Logan Intl
San Francisco
Nonstop
6h 55mAlaska Airlines
Boston Logan Intl
San Francisco
Nonstop
6h 55mAlaska Airlines
Reviews of Airlines Servicing San Francisco
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Crew
Boarding
Entertainment
Food
Comfort
Overall
Reviews
Many of us were grateful that the pilot responded so quickly to our request for some heat!!
Related info for your journey
Useful info, stats and facts about Boston to San Francisco flights.
What airports do I use to fly from Boston to San Francisco?
If you book a flight from Boston to San Francisco, you will be flying from Logan Intl to San Francisco. Flights to San Francisco (SFO) from Boston Logan Intl (BOS) take 6h 32m for a nonstop flight. There are 37 flights from Logan Intl to San Francisco per day from 10 airlines.
Which airlines flying from Boston Logan Intl to San Francisco have flexible cancellations due to COVID-19?
Due to the rapidly changing circumstances due to COVID-19, airlines like JetBlue, United Airlines, and Delta flying from Boston Logan Intl to San Francisco have implemented new flexible cancellation policies.
Can I find flights from Boston to San Francisco for under $200 on Cheapflights?
Yes, there are multiple flights from Boston to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $136, but on average you can expect to pay $174.
Are there nonstop flights from Boston to San Francisco for under $200 on Cheapflights?
Cheapflights has at least 20 direct flights from Boston to San Francisco under $200. A good price for a nonstop flight from Boston to San Francisco is less than $193.
Are there last-minute flights available from Boston to San Francisco for under $200?
There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than $200.
What days are nonstop flights available from Boston to San Francisco?
Days when nonstop flights are available for this flight are: Saturday.
How popular is this Boston to San Francisco flight route?
Flights from Boston Logan Intl to San Francisco have been viewed 69 times in the past calendar month.
How many flights depart from Boston to San Francisco on average per day?
On average 2 flights depart from Boston to San Francisco per day.
Afternoon (Noon - 6pm) - 100% of flight departures
How long is the flight from Boston to San Francisco?
For as low as $180, Alaska Airlines can have you in San Francisco from Boston in 6h 54m. The distance between Boston and San Francisco is about 2712 mi. All flights are typically nonstop.
What are the cheapest airlines flying from Boston to San Francisco round-trip?
According to our current data, Alaska Airlines ($180), and JetBlue ($189) offers the cheapest pricing from Boston to San Francisco. Alaska Airlines is currently priced 59% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Boston to San Francisco one-way?
One-way options have recently been found by users for as low as $88 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $104 and American Airlines from $107 one-way.
What are the most popular airlines that fly from Boston to San Francisco?
Before booking your flight from Boston to San Francisco check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Alaska Airlines.
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: WestJet (93%), ANA (89%), United Airlines (83%).
What are the cheapest flights from Boston to San Francisco?
On average you can expect to pay $940 for a flight from Boston to San Francisco. The cheapest flight overall is $89 while the most popular route, (Boston Logan Intl - San Francisco) is currently priced at $183.
Other flights from Boston
Flights to San Francisco from Boston
Alternative routes for Boston to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Boston to San Francisco
The chart below displays the airlines Cheapflights users traveling from Boston to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Boston to San Francisco
See what time of day planes typically take off from Boston to San Francisco
| 22%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 21%of flight departures | Morning6 am to noon |
| 46%of flight departures | AfternoonNoon to 6 pm |
| 11%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Boston to San Francisco
See how many times per day planes take to the skies headed from Boston to San Francisco
| Sunday | 39daily flights |
|---|---|
| Monday | 40daily flights |
| Tuesday | 39daily flights |
| Wednesday | 41daily flights |
| Thursday | 43daily flights |
| Friday | 41daily flights |
| Saturday | 22daily flights |