Cheap flights from Boston to San Francisco

Choose between United Airlines, American Airlines, or Delta Air Lines to find the best price

Travelers usually depart from Logan International, Boston Back Bay Station, Boston South Station, Boston-LAZ parking lot, or Boston - North Station when they travel from Boston to San Francisco. Book your trip to arrive at San Francisco International, San Francisco, CA-Salesforce Plaza, or San Francisco Train Station. The distance between Boston and San Francisco is 4347 km. The most popular airlines for this route are United Airlines, American Airlines, Delta Air Lines, JetBlue Airways, and Southwest Airlines. Boston and San Francisco have 177 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Alcatraz, and Golden Gate Bridge.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights18403237-3119

Fly direct with

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Alaska Airlines on Tuesdays, Wednesdays, Thursdays, Fridays, and Saturdays.

JetBlue Airways on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Boston to San Francisco

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Delta Air LinesDALDLYesUnknownNo
JetBlue AirwaysJBUB6YesUnknownNo
Southwest AirlinesSWAWNNoUnknownNo

Frequently asked questions

How long does it take to travel from Boston to San Francisco?

A one-way nonstop (direct) flight between Boston and San Francisco takes around 6.6 hours.

What is the flight distance between Boston and San Francisco?

The flight distance between Boston and San Francisco is 4347 km.

What airlines offer nonstop (direct) flights between Boston and San Francisco?

Several carriers operate flights between Boston and San Francisco. Airlines offering nonstop (direct) flights include JetBlue Airways, Alaska Airlines, United Airlines.

What are the most popular routes to and from Boston?

Travelers frequently search for route combinations, such as Boston and McCarran International, Miami International, John F. Kennedy International, Orlando International, Fort Lauderdale–Hollywood International, Hartsfield–Jackson Atlanta International, Luis Muñoz Marín International, Baltimore–Washington International, O Hare International, Minneapolis–Saint Paul International, Nashville International.

What are the most popular routes to and from San Francisco?

Travelers frequently search for route combinations, such as San Francisco and Los Angeles International, McCarran International, Denver International, Dallas/Fort Worth International, George Bush Intercontinental, Seattle–Tacoma International, Phoenix Sky Harbor International, Minneapolis–Saint Paul International, Vancouver International, San Diego International, Salt Lake City International.

What airports are near Boston?

The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Albany International, T. F. Green, Portland International Jetport, Lebanon Municipal, Portsmouth International Airport at Pease, Barnstable Municipal, Manchester–Boston Regional, Augusta State.

What airports are near San Francisco?

The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional, Buchanan Field.

What buses and trains depart from Boston?

A number of bus and train companies depart from Boston, including Amtrak train.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Boston and San Francisco?

What is Virtual Interlining and how do I use it?

Which airlines fly between Boston and San Francisco?

When's the best time to travel between Boston and San Francisco?

What flights operate between Boston and San Francisco?

How many airports are there near Boston?

How many airports are there near San Francisco?

Is it possible to reach Boston by bus or train?

What time do nonstop (direct) flights between Boston and San Francisco depart?

What time do nonstop (direct) flights between Boston and San Francisco arrive?

What time do flights between Boston and San Francisco depart?

What time do flights between Boston and San Francisco arrive?

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