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Cheap Flights from Boston to San Francisco, CA, United States - BOS to SFO

Popular flights from Boston to San Francisco

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
May 18, 2016 May 25, 2016 $416
Jun 8, 2016 Jun 14, 2016 $416
American Airlines
Departure Date Return Date Lowest Price
May 24, 2016 May 28, 2016 $306
May 24, 2016 Jun 1, 2016 $306
JetBlue Airways
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 4, 2016 $336
Sun Country Airlines
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 4, 2016 $287
United Airlines
Departure Date Return Date Lowest Price
May 29, 2016 Jun 5, 2016 $361
May 30, 2016 Jun 7, 2016 $361
Virgin America
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 4, 2016 $324

How Much Does it Cost to Fly from Boston to San Francisco (BOS to SFO)?

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 $311.

When Can I Buy the Cheapest Flight from Boston to San Francisco (BOS to SFO)?

Airlines can adjust prices for plane 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 discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Boston to San Francisco

The chart below shows up-to-date information regarding how far in advance a flight from Boston to San Francisco should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $584 $386
7-14 days $431 $298
14-21 days $365 $292
21-30 days $361 $287
30-60 days $365 $292
60-90 days $447 $328
90+ days $333 $324

Cheapest Day To Fly from Boston to San Francisco

The chart below shows up-to-date information regarding the cheapest days to fly from Boston to San Francisco.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$329 $298 $292 $287 $327 $292 $354

Lowest Fares Chart By Month from Boston to San Francisco

The chart below shows the lowest fare by month when flying from Boston to San Francisco.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Boston San Francisco Sun Country 5/21/16 5/28/16 1 $292
June Boston San Francisco Sun Country 6/2/16 6/4/16 1 $287
July Boston San Francisco American 7/13/16 7/20/16 1 $328
August Boston San Francisco American 8/10/16 8/19/16 1 $324
September Boston San Francisco American 9/17/16 9/20/16 1 $326
October Boston San Francisco American 10/19/16 10/25/16 1 $328
November Boston San Francisco American 11/10/16 11/15/16 1 $327
December Boston San Francisco American 12/1/16 12/8/16 1 $326

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Boston to San Francisco

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Boston to San Francisco.

Next 30 Days

SunMonTueWedThuFriSat
8 9 10 11 12 13 14
$659
15 16 17 18 19 20 21
$659 $496
22 23 24 25 26 27 28
$496 $365
29 30 31 1 2 3 4
$365 $365
5 6 7 8 9 10 11
$365 $366
12 13 14 15 16 17 18
$366

TIPSave $9 by flying into San Jose instead of San Francisco from Boston

Non-Stop vs Connecting Flights from Boston to San Francisco (BOS to SFO)

Your Boston to San Francisco flight can be significantly cheaper by choosing 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 $346.

The average price for non-stop flights from Boston to San Francisco is $362.

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

Nonstop Flight Details from Boston to San Francisco
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
JetBlue 3 3 3 3 3 3 3 08:15 19:34
United 8 7 8 8 8 6 7 06:00 20:55
Virgin America 4 4 4 4 4 3 4 07:25 18:59

Round Trip vs One Way Flights from Boston to San Francisco (BOS to SFO)

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 $182.

The average price for round trip flights from Boston to San Francisco is $342.

More Cheap Flights

FlightsAirlineLowest Price
New York to San Francisco American, Alaska, JetBlue, Sun Country, United, Virgin America $272
Newark to San Francisco American, Alaska, JetBlue, United, Virgin America $285
Hartford to San Francisco American, Alaska, United $375
Providence to San Francisco American, JetBlue, United $324
Albany to San Francisco American, Alaska, United $366
Burlington to San Francisco American, Alaska, JetBlue, United $365
Portland to San Francisco American, Alaska, JetBlue, United $402
Manchester to San Francisco American, United $322
Bangor to San Francisco American, Alaska, United $487
Westchester County to San Francisco American, Alaska, United $329
Long Island MacArthur to San Francisco American, United $318
Newburgh to San FranciscoCheck Dates
New York to Los Angeles American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $207
New York to Oakland American, Alaska, JetBlue, United $337
New Haven to San Francisco American $386
Martha's Vineyard to San Francisco American, JetBlue $665
Nantucket to San Francisco American, JetBlue, United $626
Boston to Oakland American, Alaska, JetBlue, Spirit, United $309
New York to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $239
Newark to Oakland American, Alaska, JetBlue, United $344
New York to San Jose American, Alaska, JetBlue, United $314
New York to Chicago American, Alaska, JetBlue, Spirit, United $101
New York to Sacramento American, Alaska, JetBlue, United $282
Boston to San Jose American, Alaska, JetBlue, United $343
Providence to Oakland American, United $573
Hartford to Oakland American $409
New York to London Aegean, American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Kuwait, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Austrian, TAROM, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, City Jet, Great Lakes $642
Manchester to Oakland American, United $536
Albany to OaklandCheck Dates
Burlington to Oakland American, Alaska, JetBlue, United $539

Airlines Flying from Boston to San Francisco (BOS to SFO)

Below are the different airlines that fly from Boston to San Francisco with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Boston to San Francisco.

Boston to San Francisco
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American JFK X X X X X X X
Alaska SEA X X X X X X X
JetBlue - X X X X X X X
JetBlue JFK X X X X X X X
Delta MSP X X X X X X X
Sun Country MSP X X X X X X X
United - X X X X X X X
United ORD X X X X X X X
Virgin America - X X X X X X X
Virgin America LAX X X X X X X X
Southwest DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Boston and San Francisco, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Boston to San Francisco Flight Questions

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

Question: How long is a direct flight from Boston to San Francisco?
Answer: The average Boston to San Francisco flight time is 6 hours and 42 minutes.
Question: How many miles are there between Boston and San Francisco?
Answer: The distance from Boston to San Francisco is 2697 miles.
Question: How common are direct flights from Boston to San Francisco?
Answer: There are 98 direct flights from Boston to San Francisco.
Question: What is the most popular airline for non-stop flights from Boston to San Francisco?
Answer: United Airlines provides 53% of the non-stop flights between Boston and San Francisco.
Question: What are the most popular connecting cities when flying from Boston to San Francisco?
Answer: New York, NY
Boston (BOS) To San Francisco, CA (SFO) Flights: Cheap Flights From Boston To San Francisco | FareCompare.