Prices are in New Zealand Dollars.

Find cheap flights from San Francisco to Boston

SFO - BOS

Find cheap flights from San Francisco to Boston

Search hundreds of travel sites at once for deals on flights to Boston

Return
Economy
San Francisco (SFO)
Boston Logan Intl
Mon 25/10
Mon 1/11
Any month
Compare vs KAYAK |

Good to know

Low season

FebruaryBest time to beat the crowds (19% less expensive on average)

High season

DecemberMost popular time to fly (27% more expensive on average)

Average price (return flight)

$443(avg. price over the last 2 weeks)

Good deal (return flight)

$959or less

Good deal one-way

$239or less

When to book flights from San Francisco to Boston

Estimated return price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $239 or less one-way and $959 or less round-trip.
  • The cheapest flight from San Francisco to Boston was found, on average, 30 days before departure.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is February.
  • If you are interested in flights from San Francisco to Boston, there are three different airports that you can choose to fly out of. While San Francisco International Airport is the largest airport in the region and is closest to the city center, Oakland International Airport is another popular choice. San Jose Mineta International Airport is also a convenient option for anyone located south of San Francisco.
  • For those that would like a direct flight from San Francisco to Boston, consider booking your ticket with either JetBlue or Delta, as these companies are known for providing above-average legroom. If you are willing to have a connecting flight, consider booking with Southwest Airlines, as they allow travelers to check up to two bags for free.
  • To have a bit of extra help navigating San Francisco International Airport, look into hiring an Airport Butler. Airport Butlers are meant to provide assistance with carrying bags, checking in, finding your gate, and even personal shopping. They can be booked ahead of time through the airport’s website or directly at the check-in area.
  • Do you find flying to be stressful? Make sure to keep your eyes open for the San Francisco International Airport Wag Brigade. The Wag Brigade is made up of several trained dogs and a Juliana-breed pig, and they travel throughout the different terminals to say hi to travelers and relieve stress before boarding flights.
  • If you have some extra time to kill before your flight, consider purchasing an access pass for the Escape Lounge located in Oakland International Airport. This lounge is available to travelers from all airlines and provides complimentary snacks, access to televisions, and high-speed WiFi.

FAQs for booking flights from San Francisco to Boston

What are some good hotels near Logan International Airport?

Does Logan International Airport have pet relief areas?

What are some good dining options in San Jose Mineta International Airport?

Does Logan International Airport have a prayer room?

How many flights are there between San Francisco and Boston?

Which airlines fly most frequently between San Francisco and Boston?

How does KAYAK find such low prices on flights from San Francisco to Boston?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Boston?

What is the Hacker Fare option on flights from San Francisco to Boston?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Boston?

COVID-19 information

Safety measures for airlines flying from San Francisco to Boston

Airlines flying from San Francisco to Boston have enacted additional safety measures and adjusted policies to better accommodate travellers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from San Francisco to Boston

Mandatory masks

Masks required on board, masks provided on flights from San Francisco to Boston

Social distancing seating

Middle seats unavailable to book on flights from San Francisco to Boston

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from San Francisco to Boston

Book cheap flights from San Francisco to Boston

Return flight deals

multi-stop
Multiple Airlines
4340 km
SFO - BOS
multi-stop
Multiple Airlines
4340 km
BOS - SFO
Show more results

Search by stops

One-way flight deals

multi-stop
Multiple Airlines
4340 km
SFO - BOS
Show more results

Search by stops

-
1
  • Return
  • One-way
  • Multi-city
  • Trip Builder
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First