Cheap Flights from Boston, MA to San Francisco, CA from $123

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On Cheapflightsplus.com you will find 17 direct and 392 connecting flights from Boston to San Francisco. You can compare airfare deals from 9 airlines and multiple travel sites from $123, book and save on cheap plane tickets and last minute offers. Also check out BOS-SFO flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boston to San Francisco Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $123 (one-way), $211 (round-trip).

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Best Flights from Boston to San Francisco Today

Take a look at the list of non stop flights and flights with layovers from Boston to San Francisco with the lowest price of $123. The fastest direct flight takes 6h 28m and the fastest connecting – 7h 50m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $123 Find flight	06:00 Boston Logan	09:28 San Francisco San Francisco	6h 28m	United Airlines	UA2441
from $129 Find flight	07:30 Boston Logan	11:07 San Francisco San Francisco	6h 37m	Hawaiian Airlines	HA4826
from $133 Find flight	07:30 Boston Logan	11:07 San Francisco San Francisco	6h 37m	Alaska Airlines	AS308
from $135 Find flight	17:45 Boston Logan	23:50 San Francisco San Francisco	9h 5m layover 1h 11m - San Diego	Hawaiian Airlines	HA4821 HA6588
from $144 Find flight	17:45 Boston Logan	23:50 San Francisco San Francisco	9h 5m layover 1h 11m - San Diego	Alaska Airlines	AS389 AS3343

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 17, 2025

Flight Schedule Boston (Massachusetts) to San Francisco (California)

Full flight schedule will help you in detecting at what time planes fly from Boston to San Francisco. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:00 — 09:28	06:00 — 09:28 UA2441 United Airlines Boston — San Francisco	6h 28m	Find flight from$123
06:05 — 09:43	06:05 — 09:43 B61333 JetBlue Boston — San Francisco	6h 38m	Find flight from$513
07:30 — 11:07	07:30 — 11:07 HA4826 Hawaiian Airlines Boston — San Francisco	6h 37m	Find flight from$129
07:30 — 11:07	07:30 — 11:07 AS308 Alaska Airlines Boston — San Francisco	6h 37m	Find flight from$133
07:55 — 11:34	07:55 — 11:34 DL362 Delta Air Lines Inc. Boston — San Francisco	6h 39m	Find flight from$455
08:05 — 11:36	08:05 — 11:36 UA1008 United Airlines Boston — San Francisco	6h 31m	Find flight from$167
10:32 — 14:03	10:32 — 14:03 UA1482 United Airlines Boston — San Francisco	6h 31m	Find flight from$180
15:50 — 19:33	15:50 — 19:33 B6233 JetBlue Boston — San Francisco	6h 43m	Find flight from$513
17:00 — 20:50	17:00 — 20:50 DL1655 Delta Air Lines Inc. Boston — San Francisco	6h 50m	Find flight from$455
17:45 — 23:50	17:45 — 21:00 HA4821 Hawaiian Airlines Boston — San Diego 1h 11m stop 22:11 — 23:50 HA6588 Hawaiian Airlines San Diego — San Francisco	9h 5m including layover	Find flight from$135
18:30 — 22:15	18:30 — 22:15 B6733 JetBlue Boston — San Francisco	6h 45m	Find flight from$498
20:19 — 23:59	20:19 — 23:59 HA4812 Hawaiian Airlines Boston — San Francisco	6h 40m	Find flight from$146
20:19 — 23:59	20:19 — 23:59 AS355 Alaska Airlines Boston — San Francisco	6h 40m	Find flight from$150
20:47 — 00:34 +1 day	20:47 — 00:34 DL475 Delta Air Lines Inc. Boston — San Francisco	6h 47m	Find flight from$451
21:16 — 00:58 +1 day	21:16 — 00:58 B6333 JetBlue Boston — San Francisco	6h 42m	Find flight from$404

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 17, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to San Francisco depends on and how to choose the most interesting flight option for you.

Distance between Boston and San Francisco is 4341 miles. Time difference between the cities is 3h. Airplanes depart 05:14 to 21:59 from 4 Boston airports and arrive 05:14 to 21:59 to 3 San Francisco airports. Average flight time is 6h 39m.

The fastest flight 6h 28m
Average flight time 6h 39m
The earliest flight 05:14
The latest flight 21:59
Distance 2698 ml

The cheapest months to travel to San Francisco are november (from 123 $), september (from 123 $), july (from 129 $).

The most expensive months are december (from 186 $), october (from 168 $), may (from 153 $).

What is the lowest airfare Boston to San Francisco?

The cheapest plane ticket found by our users is $123. This airfare is for economy class on one-way UA2441 flight by United Airlines for September 23, 2025 which leaves Logan in Boston at 06:00 am and arrives at San Francisco San Francisco at 09:28.

Economy class

$123

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Business class

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First class

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Popular Airlines on the Route

The flight Boston — San Francisco is served by 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 116 departures per week at the price of from $ 369 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 1849.

Direct flights

There are 17 nonstop flights on the route. The fastest direct flight is UA2441 by United Airlines takes 6h 28m and the cheapest is UA2441 by United Airlines for $123.

AA - American Airlines

from $564

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AS - Alaska Airlines

from $133

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B6 - JetBlue

from $404

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DL - Delta Air Lines Inc.

from $451

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HA - Hawaiian Airlines

from $129

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UA - United Airlines

from $123

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Connecting Flights

There are 392 flights with layovers on the route. The fastest connecting flight is WN3535 by Southwest Airlines takes 7h 50m and the cheapest is UA2441 by United Airlines for $135.

AA - American Airlines

from $369

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AS - Alaska Airlines

from $144

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F9 - Frontier Airlines

from $765

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B6 - JetBlue

from $475

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SY - Sun Country Airlines

from $630

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WN - Southwest Airlines

from $475

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DL - Delta Air Lines Inc.

from $438

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HA - Hawaiian Airlines

from $135

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UA - United Airlines

from $172

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Airports

You can fly from Boston to San Francisco from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

Boston City Heliport-JBC

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Boston RT128 Rail-ZRU

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Boston South Rail-ZTO

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Logan-BOS

from $123
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San Francisco airports

San Francisco-SFO

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Embarkadero-EMB

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China Basin Heliport-JCC

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Airplanes

There are flights to San Francisco from Boston by 9 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Embraer 175 (short wing)

from $369

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Boeing 737 MAX 8

from $411

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Boeing 737-800

from $425

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Airbus A321

from $425

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Airbus A320

from $437

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Boeing 737-700

from $445

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Airbus A319

from $465

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Boeing 737

from $480

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Airbus A318/319/320/321

from $498

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Boeing 737 MAX 9

from $515

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Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Boston — New York

from $57

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Boston — Orlando

from $67

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Boston — Chicago

from $59

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Boston — Miami

from $56

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Boston — Washington D.C.

from $64

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Boston — Denver

from $65

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Boston — Nashville

from $71

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Boston — Tampa

from $63

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Boston — Las Vegas

from $63

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Boston — Seattle

from $60

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Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boston — London

from $76

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Boston — Paris

from $76

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Boston — Toronto

from $54

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Boston — Dublin

from $54

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Boston — Aruba

from $69

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Boston — Rome

from $77

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Boston — Cancun

from $78

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Boston — Lisbon

from $66

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Boston — Montreal

from $77

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Boston — Barcelona

from $67

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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