Flights from Boston to San Francisco, United States

Did you mean flights from San Francisco to Boston?

Boston to San Francisco Last modified: Jan 22, 2024 9:26 -05:00

We've scanned 115,678,683 round trip itineraries and found the cheapest flights to San Francisco. Multiple Airlines & Alaska frequently offer the best deals to San Francisco flights, or select your preferred carrier below to see the cheapest days to fly.

Multiple Airlines
BOSSFO
Wed 1/24
nonstop
SFOBOS
Wed 1/31
nonstop
$167
Alaska
BOSSFO
Fri 2/9
nonstop
SFOBOS
Wed 2/28
nonstop
$179
JetBlue
BOSSFO
Sat 2/10
nonstop
SFOBOS
Mon 2/12
nonstop
$179
Major Airlines
BOSSFO
Fri 2/9
nonstop
SFOBOS
Mon 2/19
nonstop
$179
United
BOSSFO
Fri 2/9
nonstop
SFOBOS
Sat 2/10
nonstop
$279
American
BOSSFO
Tue 2/13
nonstop
SFOBOS
Tue 2/20
nonstop
$315

How Much is a Flight from Boston to San Francisco?

We have collected flight cost data from across the web for travel from Boston to San Francisco, and have found the average flight price for this trip to be $179.

Where To Buy Cheap Flights from Boston to San Francisco?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Boston to San Francisco based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Boston to San Francisco?

The chart below shows up-to-date information regarding how far in advance to book your flight from Boston to San Francisco.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $294 $303
7-14 days $188 $197
14-21 days $179 $188
21-30 days $176 $188
30-60 days $179 $188
60-90 days $197 $206
90+ days $225 $234

Cheapest Day To Fly from Boston to San Francisco

We've examined 231,357,366 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Boston to San Francisco is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$176$179$179$179$179 $179

Cheap Last Minute Flights from Boston to San Francisco

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Boston to San Francisco. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
7 8 9 10 11 12 13
$303
14 15 16 17 18 19 20
$303 $194
21 22 23 24 25 26 27
$194 $179
28 29 30 31 1 2 3
$179 $179
4 5 6 7 8 9 10
$179 $179
11 12 13 14 15 16 17
$179

Connecting Flights vs Direct Flights from Boston to San Francisco

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Boston to San Francisco is $232.

The average price for direct flights from Boston to San Francisco is $247.

The chart below shows up to date information regarding non-stop flights from Boston to San Francisco.

Weekly Direct Flights from Boston to San Francisco - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Major Airlines 1 1 1 1 1 1 1 02:20 02:20
United 7 7 7 7 7 5 7 01:15 15:30

One Way Flights vs Round Trip Flights from Boston to San Francisco

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Boston to San Francisco. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Boston to San Francisco is $143.

The average price for round trip flights from Boston to San Francisco is $230.

Boston to San Francisco Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from Boston to San Francisco?
Answer: The average Boston to San Francisco flight time is 6 hours and 30 minutes.
Question: How far is San Francisco from Boston?
Answer: The distance from Boston to San Francisco is 2,697 miles (4,340 kilometers).
Question: How common are direct flights from Boston to San Francisco?
Answer: There are 54 direct flights from Boston to San Francisco.
Question: What are the most popular Boston airlines for direct flights from Boston to San Francisco?
Answer: United Airlines provides 87% of the non-stop flights between Boston and San Francisco.

Boston to San Francisco Airports

These are the major commercial airports we're currently monitoring in Boston and San Francisco. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from Boston to San Francisco