Cheap Flights from Boston, MA to San Francisco, CA from $102
On Cheapflightsplus.com you will find 29 direct and 392 connecting flights from Boston to San Francisco. You can compare airfare deals from 9 airlines and multiple travel sites from $102, 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.
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 37m.
- The fastest flight 6h 28m
- Average flight time 6h 37m
- The earliest flight 05:14
- The latest flight 21:59
- Distance 2698 ml
Best Flights from Boston to San Francisco Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $102 | 18:18 Boston Logan | 21:50 San Francisco San Francisco | 6h 32m | United Airlines | UA2400 |
| from $121 | 20:23 Boston Logan | 23:52 San Francisco San Francisco | 6h 29m | Hawaiian Airlines | HA4827 |
| from $124 | 20:23 Boston Logan | 23:52 San Francisco San Francisco | 6h 29m | Alaska Airlines | AS356 |
| from $138 | 17:45 Boston Logan | 23:50 San Francisco San Francisco | 9h 5m layover 1h 11m - San Diego | Hawaiian Airlines | HA4821 HA6588 |
| from $148 | 17:45 Boston Logan | 23:50 San Francisco San Francisco | 9h 5m layover 1h 11m - San Diego | Alaska Airlines | AS389 AS3343 |
The cheapest months to travel to San Francisco are november (from 102 $), september (from 121 $), august (from 121 $).
The most expensive months are december (from 190 $), may (from 157 $), october (from 146 $).
What is the lowest airfare Boston to San Francisco?
The cheapest plane ticket found by our users is $102. This airfare is for economy class on one-way UA2400 flight by United Airlines for November 12, 2025 which leaves Logan in Boston at 18:18 am and arrives at San Francisco San Francisco at 21:50.
Flight Schedule Boston (Massachusetts) to San Francisco (California)
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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 $ 377 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 1892.
Direct flights
There are 29 nonstop flights on the route. The fastest direct flight is UA2441 by United Airlines takes 6h 28m and the cheapest is UA2400 by United Airlines for $102.
- AA - American Airlinesfrom $577Find
- AS - Alaska Airlinesfrom $124Find
- B6 - JetBluefrom $413Find
- DL - Delta Air Lines Inc.from $461Find
- HA - Hawaiian Airlinesfrom $121Find
- UA - United Airlinesfrom $102Find
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 UA2400 by United Airlines for $138.
- AA - American Airlinesfrom $377Find
- AS - Alaska Airlinesfrom $148Find
- F9 - Frontier Airlinesfrom $783Find
- B6 - JetBluefrom $486Find
- SY - Sun Country Airlinesfrom $645Find
- WN - Southwest Airlinesfrom $486Find
- DL - Delta Air Lines Inc.from $448Find
- HA - Hawaiian Airlinesfrom $138Find
- UA - United Airlinesfrom $176Find
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-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSfrom $102Find
San Francisco airports
- San Francisco-SFOFind
- Embarkadero-EMBFind
- China Basin Heliport-JCCFind
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 $377Find
- Boeing 737 MAX 8from $420Find
- Boeing 737-800from $435Find
- Airbus A321from $435Find
- Airbus A320from $447Find
- Boeing 737-700from $456Find
- Airbus A319from $476Find
- Boeing 737from $491Find
- Airbus A318/319/320/321from $510Find
- Boeing 737 MAX 9from $527Find
Top Domestic Destinations from Boston
You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.
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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.
- from $76Find
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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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