SFO - BOS

Find cheap flights from San Francisco to Boston

1 adult

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Boston, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flight Deals from San Francisco to Boston (SFO-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from San Francisco to Boston

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from San Francisco to Boston.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
SFO-BOS
5h 44mdirect
BOS-SFO
6h 52mdirect
American Airlines
Find Deal
SFO-BOS
5h 44mdirect
BOS-SFO
6h 52mdirect
Qatar Airways
Find Deal
SFO-BOS
5h 34mdirect
BOS-SFO
6h 29mdirect
Japan Airlines
Find Deal
SFO-BOS
5h 35mdirect
BOS-SFO
6h 55mdirect
Icelandair
Find Deal
SFO-BOS
5h 44mdirect
BOS-SFO
6h 52mdirect
Fiji Airways
Find Deal
SFO-BOS
5h 42mdirect
BOS-SFO
7h 03mdirect
SFO-BOS
5h 46mdirect
BOS-SFO
6h 55mdirect
Virgin Australia
Find Deal
SFO-BOS
5h 46mdirect
BOS-SFO
6h 55mdirect
Air New Zealand
Find Deal
SFO-BOS
5h 46mdirect
BOS-SFO
6h 55mdirect
United Airlines
Find Deal
SFO-BOS
5h 35mdirect
BOS-SFO
6h 52mdirect
SFO-BOS
5h 44mdirect
BOS-SFO
6h 52mdirect
Alaska Airlines
Find Deal
SFO-BOS
5h 39mdirect
BOS-SFO
6h 55mdirect
JetBlue
Find Deal
SFO-BOS
5h 39mdirect
BOS-SFO
6h 41mdirect
Etihad Airways
Find Deal
SFO-BOS
5h 42mdirect
BOS-SFO
7h 09mdirect
LATAM Airlines
Find Deal
SFO-BOS
5h 41mdirect
BOS-SFO
6h 52mdirect
Qantas Airways
Find Deal
SFO-BOS
5h 57mdirect
BOS-SFO
7h 06mdirect
Scandinavian Airlines
Find Deal
SFO-BOS
5h 35mdirect
BOS-SFO
6h 29mdirect
Hawaiian Airlines
Find Deal
SFO-BOS
5h 53mdirect
BOS-SFO
6h 49mdirect
Korean Air
Find Deal
SFO-BOS
5h 37mdirect
BOS-SFO
6h 55mdirect
SFO-BOS
5h 35mdirect
BOS-SFO
6h 36mdirect
TAP AIR PORTUGAL
Find Deal
SFO-BOS
5h 43mdirect
BOS-SFO
6h 55mdirect
Air China
Find Deal
SFO-BOS
5h 35mdirect
BOS-SFO
6h 55mdirect
Singapore Airlines
Find Deal

Flights from San Francisco to Boston - Travel Insights & Trends

Get data-powered insights and trends into flights from San Francisco to Boston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Francisco to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from San Francisco to Boston is February, where tickets cost $476 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $832 and $824 respectively.

How far in advance should I book a flight from San Francisco to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from San Francisco to Boston, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

January

High season

July
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly (16% more expensive on average)

When to book flights from San Francisco to Boston

Are your dates flexible? Find out the best times to travel from San Francisco to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Boston

  • What are some good hotels near Logan International Airport?

    The Embassy Suites by Hilton is a solid choice that is only a 5-minute drive from Logan International Airport and a 15-minute drive from the popular Museum of Fine Arts. The Westin Boston Waterfront is a 4-star choice that is a 10-minute drive from the airport and a 5-minute walk from the waterfront.

  • Does Logan International Airport have pet relief areas?

    If you are traveling with a pet or service animal, make sure to let them relieve themselves after you have arrived at Logan International Airport. There is a pet relief area conveniently located outside of every Arrivals terminal, and travelers can get complimentary waste bags at each location.

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

    If you would like to grab a bite to eat before your flight takes off, make sure to browse through the different dining options at San Jose Mineta International Airport. Flames Eatery and Bar is a casual restaurant that is located in Terminal B and serves American-style meals, while Gordon Biersch Brewing Company is known for having an impressive craft beer selection. Jamba Juice and Peet’s Coffee and Tea are both convenient choices for travelers short on time that would like to purchase to-go items.

  • Does Logan International Airport have a prayer room?

    Logan International Airport is home to the Our Lady of the Airways Chapel that is located between Terminals B and C and is open to all travelers. The Chapel hosts Mass on Sundays and can be used for individual prayer when a ceremony is not occurring.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Boston?

    JetBlue, Alaska Airlines, and American Airlines offer inflight Wi-Fi service on the San Francisco to Boston flight route.

  • Which aircraft models fly most regularly from San Francisco to Boston?

    The Airbus A321neo is the aircraft model that flies most regularly on the San Francisco to Boston flight route.

  • Which airline alliances offer flights from San Francisco to Boston?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between San Francisco and Boston, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Boston?

    There are direct flights from San Francisco to Boston on a daily basis.

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

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options 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?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to San Francisco with another airline.

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

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from San Francisco to Boston

  • 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.
See more tips

Prefer to fly direct from San Francisco to Boston Logan Intl?

Find which airlines fly direct from San Francisco Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Boston Logan Intl

Monday

ANA, Air New Zealand, Alaska Airlines, +18 more

ANA, Air New Zealand, +19 more

Tuesday

ANA, Air New Zealand, Alaska Airlines, +18 more

ANA, Air New Zealand, +19 more

Wednesday

ANA, Air China, Air New Zealand, +18 more

ANA, Air China, +19 more

Thursday

ANA, Air New Zealand, Alaska Airlines, +19 more

ANA, Air New Zealand, +20 more

Friday

ANA, Air New Zealand, Alaska Airlines, +17 more

ANA, Air New Zealand, +18 more

Saturday

ANA, Air China, Air New Zealand, +17 more

ANA, Air China, +18 more

Sunday

ANA, Air New Zealand, Alaska Airlines, +18 more

ANA, Air New Zealand, +19 more

See more direct flights

Direct returns

Boston Logan Intl to San Francisco

Monday

ANA, Air New Zealand, American Airlines, +16 more

ANA, Air New Zealand, +17 more

Tuesday

ANA, Air New Zealand, American Airlines, +17 more

ANA, Air New Zealand, +18 more

Wednesday

ANA, Air China, Air New Zealand, +15 more

ANA, Air China, +16 more

Thursday

ANA, Air New Zealand, Alaska Airlines, +18 more

ANA, Air New Zealand, +19 more

Friday

ANA, Air China, Air New Zealand, +19 more

ANA, Air China, +20 more

Saturday

ANA, Air China, Air New Zealand, +17 more

ANA, Air China, +18 more

Sunday

ANA, Air New Zealand, Alaska Airlines, +19 more

ANA, Air New Zealand, +20 more

See more direct flights
See more direct flights

Book cheap flights from San Francisco to Boston

One-way flight deals

directAmerican Airlines
5h 44mSFO-BOS
directQatar Airways
5h 44mSFO-BOS
directJapan Airlines
5h 34mSFO-BOS
directIcelandair
5h 35mSFO-BOS
directFiji Airways
5h 44mSFO-BOS
directDelta
5h 42mSFO-BOS
directChina Eastern
5h 42mSFO-BOS
directVirgin Australia
5h 46mSFO-BOS
directAir New Zealand
5h 46mSFO-BOS
directUnited Airlines
5h 46mSFO-BOS
directEL AL
5h 35mSFO-BOS
directAlaska Airlines
5h 44mSFO-BOS
directJetBlue
5h 39mSFO-BOS
directEtihad Airways
5h 39mSFO-BOS
directLATAM Airlines
5h 42mSFO-BOS
directQantas Airways
5h 41mSFO-BOS
directScandinavian Airlines
5h 57mSFO-BOS
directHawaiian Airlines
5h 35mSFO-BOS
directKorean Air
5h 53mSFO-BOS
directANA
5h 37mSFO-BOS
directTAP AIR PORTUGAL
5h 35mSFO-BOS
directVirgin Atlantic
5h 42mSFO-BOS
directAir China
5h 43mSFO-BOS
directSingapore Airlines
5h 35mSFO-BOS

Search by stops

Search by airline

Everything you need to know for your flight from San Francisco to Boston

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.