San Francisco, CA to Boston, MA flights from $85

Flights starting at $85. Choose between United Airlines, Delta Air Lines, or JetBlue Airways to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals

Kiwi-Code uncovers prices airlines don't want you to see.

Effortless booking

Use our flexible filters to tailor your search.

Travel hacking

Look out for the travel hack star icon for even cheaper fares.

Tips to know when travelling to Boston

Cheapest one-way trip

$111

Cheapest nonstop round-trip

$85

Cheapest round-trip

$225

Nonstop flights in January

$85 – $365

Most popular airline

United Airlines

Round trips

San Francisco SFOBoston BOS

United Airlines

$225
San Francisco SFOBoston BOS

United Airlines

$225

Updated:

2701 miles
Distance
Duration
Mailbox
Receive exclusive deals by email

By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.

Travelers usually depart from San Francisco International, San Francisco, CA Bus Stop, San Francisco, CA - Salesforce Plaza, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf when they travel from San Francisco to Boston. Book your trip to arrive at Logan International, Boston South Station, Boston, MA - Back Bay Station, or Boston, MA - North Station. The distance between San Francisco and Boston is 4347 km. The most popular airlines for this route are United Airlines, Delta Air Lines, JetBlue Airways, Alaska Airlines, and American Airlines. San Francisco and Boston have 192 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights1010101011910
Fly direct with

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

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

Delta Air Lines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

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

Check-in for a flight from San Francisco to Boston

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo

United States COVID-19 travel restrictions

Your trip summary

Most travelers from San Francisco, SFO can enter Boston, BOS.

Departure

Additional information
  • Masks are recommended in certain settings

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from San Francisco to Boston?
A one-way nonstop (direct) flight between San Francisco and Boston takes around 5.6 hours.
What is the flight distance between San Francisco and Boston?
The flight distance between San Francisco and Boston is 4347 km.
What airlines offer nonstop (direct) flights between San Francisco and Boston?
Several carriers operate flights between San Francisco and Boston. Airlines offering nonstop (direct) flights include Delta Air Lines, JetBlue Airways, Alaska Airlines, United Airlines.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and Las Vegas, Paris, Barcelona, Denver, Washington, D.C., Mexico City, Chicago, Guadalajara, London, Atlanta, Rome, Austin, Lisbon, Madrid, New York, Dublin, Amsterdam, New Orleans, Berlin, Athens.
What are the most popular routes to and from Boston?
Travelers frequently search for route combinations, such as Boston and London, Orlando, Denver, Paris, Barcelona, Rome, Raleigh, Amsterdam, Munich, Miami, Washington, D.C., Madrid, Athens, Los Angeles, Dublin, Fort Lauderdale, Austin, Atlanta, Milan, Vienna.
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 airports are near Boston?
The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Albany International, Portland International Jetport, Manchester–Boston Regional, Augusta State, Worcester Regional, Rutland–Southern Vermont Regional, Lebanon Municipal.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and Boston?
Yes, it's possible to combine different modes of transport between San Francisco and Boston thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Francisco and Boston can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between San Francisco and Boston?
When's the best time to travel between San Francisco and Boston?
What flights operate between San Francisco and Boston?
How many airports are there near San Francisco?
How many airports are there near Boston?
What time do nonstop (direct) flights between San Francisco and Boston depart?
What time do nonstop (direct) flights between San Francisco and Boston arrive?
What time do flights between San Francisco and Boston depart?
What time do flights between San Francisco and Boston arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Find the best connection from San Francisco to Boston

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses

Kiwi.com: the best free travel app for Android and iPhone

Find out more about the Kiwi.com app on kiwi.com/mobile . With our app you can search for the best plane, train and bus connections. The Kiwi.com mobile app offers cheap flights, access to hidden features, travel hacks and special offers.

Search cheap flights

Simplified planning and booking

Travel deals built for you

Kiwi.com travel hacks


We hack the system,
you fly for less