SFO - BOS

$155 Find Cheap Flights from San Francisco to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Boston departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$286
Typical prices: $272-$581
Southwest
Fri 11/13Mon 11/16
SFO - BOS • 1 stop
Cheapest non-stop
$288
Typical prices: $310-$557
JetBlue
Fri 10/9Sat 10/17
SFO - BOS • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
JetBlue Even More Space adds legroom; United Economy Plus offers similar comfort.
JetBlue has free Wi-Fi for all; Delta free Wi-Fi needs SkyMiles on domestic flights.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Delta, JetBlue and United Airlines. Average duration is 5h 49m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
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Insights
Top layover airports
Cheapest • Avg $309 (round-trip)
Shortest trip • 7h 04m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from San Francisco to Boston (SFO-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Boston

Fri, Nov 13 - Mon, Nov 16
Southwest Logo
12:10 pm - 11:40 pmSFO  San Francisco-BOS Boston Logan Intl
8h 30m1 stop Nashville Intl
Southwest Logo
7:55 am - 6:10 pmBOS  Boston Logan Intl-SFO San Francisco
13h 15m2 stops Baltimore/Washington San Diego
$286Southwest
Fri, Oct 23 - Tue, Oct 27
Southwest Logo
2:15 pm - 1:10 amSFO  San Francisco-BOS Boston Logan Intl
7h 55m1 stop Denver Intl
Southwest Logo
3:50 pm - 11:35 pmBOS  Boston Logan Intl-SFO San Francisco
10h 45m2 stops Baltimore/Washington Chicago Midway
$286Southwest
Fri, Oct 9 - Sat, Oct 17
JetBlue Logo
3:00 pm - 11:39 pmSFO  San Francisco-BOS Boston Logan Intl
5h 39mnonstop
JetBlue Logo
7:45 am - 11:25 amBOS  Boston Logan Intl-SFO San Francisco
6h 40mnonstop
$288JetBlue
Wed, Aug 26 - Sat, Aug 29
Multiple Airlines Logo
3:18 pm - 11:59 pmSFO  San Francisco-BOS Boston Logan Intl
5h 41mnonstop
Multiple Airlines Logo
12:45 pm - 7:03 pmBOS  Boston Logan Intl-SFO San Francisco
9h 18m1 stop Atlanta Hartsfield-Jackson
$288Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Multiple Airlines Logo
3:18 pm - 11:59 pmSFO  San Francisco-BOS Boston Logan Intl
5h 41mnonstop
Multiple Airlines Logo
12:45 pm - 7:03 pmBOS  Boston Logan Intl-SFO San Francisco
9h 18m1 stop Atlanta Hartsfield-Jackson
$288Multiple Airlines
Tue, Aug 25 - Sat, Aug 29
Frontier Logo
5:35 pm - 11:47 amSFO  San Francisco-BOS Boston Logan Intl
15h 12m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
12:45 pm - 7:03 pmBOS  Boston Logan Intl-SFO San Francisco
9h 18m1 stop Atlanta Hartsfield-Jackson
$290Frontier
Wed, Aug 26 - Wed, Sep 2
Frontier Logo
5:35 pm - 11:47 amSFO  San Francisco-BOS Boston Logan Intl
15h 12m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
12:45 pm - 7:03 pmBOS  Boston Logan Intl-SFO San Francisco
9h 18m1 stop Atlanta Hartsfield-Jackson
$291Frontier
Wed, Oct 28 - Sat, Oct 31
JetBlue Logo
11:50 am - 8:24 pmSFO  San Francisco-BOS Boston Logan Intl
5h 34mnonstop
JetBlue Logo
4:00 pm - 11:58 pmBOS  Boston Logan Intl-SFO San Francisco
10h 58m1 stop New York John F Kennedy Intl
$294JetBlue
Fri, Sep 18 - Sun, Sep 20
American Airlines Logo
10:46 pm - 9:39 amSFO  San Francisco-BOS Boston Logan Intl
7h 53m1 stop Chicago O'Hare Intl
American Airlines Logo
6:30 am - 12:36 pmBOS  Boston Logan Intl-SFO San Francisco
9h 06m1 stop Los Angeles
$302American Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
6:00 am - 5:26 pmSFO  San Francisco-BOS Boston Logan Intl
8h 26m1 stop Philadelphia
American Airlines Logo
1:10 pm - 7:05 pmBOS  Boston Logan Intl-SFO San Francisco
8h 55m1 stop Phoenix Sky Harbor Intl
$302American Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Boston flights

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.

How much is a round-trip flight from San Francisco to Boston?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Boston departing in October.

Flight prices are below average for this route right now.

Flights to Boston from San Francisco usually cost between $345 and $561 in October.
The lowest price found in the past 5 days was $286 on Southwest (Oct 23-Oct 27).

What’s the cheapest day of the week to fly from San Francisco to Boston?

The average price of all round-trip flights from San Francisco to Boston clicked on KAYAK for each day over the last 12 months.

For San Francisco to Boston, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Boston back to San Francisco, the best deals are generally found on Wednesday, with Sunday being the most expensive.

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 January, where tickets cost $334 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $502 and $489 respectively.

Can I save money by flying with a layover from San Francisco to Boston?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $445 on average.

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, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to Boston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on JetBlue and Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on BOS and SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

January

Cheapest flight

$155
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 18% increase in price.
Flight from San Francisco to Boston

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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

  • Where can I relax at SFO?

    Consider buying a lounge ticket to access either the Air France-KLM lounge in the International Terminal’s Concourse A or the Centurion Lounge hosted in Terminal 3’s Gate 74. You may also pay at the entrance to enjoy their services such as books, magazines, and drinks. SFO has also set aside a USO lounge housed in Terminal 1’s Mezzanine Level for active US military members plus their families. It offers refreshments, showers, and toys.

  • Are pets welcome at San Francisco Airport (SFO)?

    If you are towing with your four-legged friend, you will be happy to hear that San Francisco Airport is home to hygienic pet relief spaces in Terminal 1C, close to Gate C5-C7, and in Terminal 3 Courtyard 4, close to Gate F11. However, the airport has put in place some pet policies that require you to confine your pet in its kennel except while going through screenings for security and potty breaks.

  • Does BOS offer any accessible services?

    Yes. The shuttle buses at BOS are lift-equipped and have an audio and video stop announcement system. In addition to terminals and garages with elevators, all terminals have curb ramps on all levels as well as accessible restrooms with adult-changing tables.

  • What family services are offered at Logan International Airport (BOS)?

    BOS is a family-oriented airport with child-friendly amenities. Let your kids blow off some steam after your flight from San Francisco at the Kidport play areas in Terminal A’s Gate 18, Terminal B’s Gates B30-B36, and Terminal C’s Gate 25. These spaces are equipped with slides, climbing structures, airfield mimics, and a Boston Logan tower child-sized replica. If you are traveling with toddlers, changing rooms with changing tables are found in all restrooms in the airport.

  • What is the cheapest flight from San Francisco to Boston?

    In the last 5 days, the lowest price for a flight from San Francisco to Boston was $155 for a one-way ticket and $286 for a round-trip.

  • Do I need a passport to fly between San Francisco and Boston?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

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

    All the following airlines offer inflight Wi-Fi service on the San Francisco to Boston flight route: JetBlue, Delta, Iberia, British Airways, Finnair, and Alaska Airlines.

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

    The Airbus A318/A319/A320/A321 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, SkyTeam, and Star Alliance are the airline alliances operating flights between San Francisco and Boston, with oneworld being the most commonly used for this route.

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

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

  • Which is the best airline for flights from San Francisco to Boston, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from San Francisco to Boston are Southwest and Alaska Airlines. With an average price for the route of $427 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $382 and an overall rating of 7.9.

  • 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 round-trip ticket. You could then fly to Boston with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and BOS can sometimes prove cheaper using this method.

  • 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.

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

  • Looking for a cheap flight? 25% of our users found flights on this route for $199 or less one-way and $360 or less round-trip.
  • 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.
  • If you are a traveling enthusiast, consider booking flights from San Francisco to Boston with layovers. Common layovers on this route include Minneapolis St. Paul Airport (MSP), John F. Kennedy Airport (JFK), and Las Vegas Harry Reid Airport (LAS) depending on your airline alternative and the airport you are departing from.
  • Direct flights from San Francisco to Boston are eco-friendlier compared to flights with layovers, with approximately 1,863 kg of carbon being released per person. If you want to fly more sustainably, choose United Airlines. The airline releases 32% less carbon.
  • Boston’s downtown is roughly three to five miles from BOS and you can conveniently get there by either shuttle, bus, taxi, or rail. The MBTA rail leaves from the airport for South Station. The Silver Line 1 buses on route SL1 leave from all airport terminals to the city center whereas taxis, Lyft, and Uber offer door-to-door services. Shuttles are offered by Massport for free.
  • Take time to check out the art installations at Oakland International Airport (OAK) and elevate your airport experience. If you are leaving from Gates 26-32, there is a striking glass window wall, 160 feet long, titled Going Away, Coming Home. The North Field at OAK is also home to Oakland Aviation Museum.
  • Bring forth your inner Elton John with the pianos at San Jose International Airport (SJC). Go ahead and share your talents with other travelers opposite the security checkpoint on Terminal A’s Level 2. There is also a baby grand in the Baggage Claim of Terminal B.

Prefer to fly direct from San Francisco to Boston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying 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

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Tuesday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Wednesday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Thursday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Friday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Saturday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Sunday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

See more direct flights

Direct returns

Boston Logan Intl to San Francisco

Monday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Tuesday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Wednesday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Thursday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Friday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Saturday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

Sunday

Delta,JetBlue,United Airlines

Delta,JetBlue, +1 more

See more direct flights

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

Other airlines flying from San Francisco to Boston

Flights from the other most popular airlines that fly from San Francisco to Boston according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.