Cheap Flights from San Francisco (SFO) to Boston (BOS) from HK$776~

View HK$776 flight on Wed, 11 Feb 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Boston

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at HK$776 for one-way flights and HK$1,692 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$1,692 Return, found 8 hours ago
HK$1,692
Return
found 8 hours ago
Select Delta flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$1,692 found 8 hours ago
Delta
Thu, 22 Jan - Sat, 31 Jan
SFO
San Francisco
BOS
Boston
HK$1,853 Return, found 2 days ago
HK$1,853
Return
found 2 days ago
Select Delta flight, departing Thu, 22 Jan from San Francisco to Boston, returning Sat, 31 Jan, priced at HK$1,853 found 2 days ago
Delta
Sat, 24 Jan - Sun, 1 Feb
SFO
San Francisco
BOS
Boston
HK$2,089 Return, found 3 days ago
HK$2,089
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Jan from San Francisco to Boston, returning Sun, 1 Feb, priced at HK$2,089 found 3 days ago
Delta
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$2,090 Return, found 8 hours ago
HK$2,090
Return
found 8 hours ago
Select Delta flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$2,090 found 8 hours ago
United
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$2,166 Return, found 8 hours ago
HK$2,166
Return
found 8 hours ago
Select United flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$2,166 found 8 hours ago
United
Thu, 22 Jan - Sat, 31 Jan
SFO
San Francisco
BOS
Boston
HK$2,241 Return, found 2 days ago
HK$2,241
Return
found 2 days ago
Select United flight, departing Thu, 22 Jan from San Francisco to Boston, returning Sat, 31 Jan, priced at HK$2,241 found 2 days ago
Delta
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$2,317 Return, found 8 hours ago
HK$2,317
Return
found 8 hours ago
Select Delta flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$2,317 found 8 hours ago
Delta
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$2,360 Return, found 8 hours ago
HK$2,360
Return
found 8 hours ago
Select Delta flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$2,360 found 8 hours ago
American Airlines
Sun, 11 Jan - Tue, 20 Jan
SFO
San Francisco
BOS
Boston
HK$2,477 Return, found 8 hours ago
HK$2,477
Return
found 8 hours ago
Select American Airlines flight, departing Sun, 11 Jan from San Francisco to Boston, returning Tue, 20 Jan, priced at HK$2,477 found 8 hours ago
Alaska Airlines
Thu, 25 Dec - Mon, 5 Jan
SFO
San Francisco
BOS
Boston
HK$3,359 Return, found 2 days ago
HK$3,359
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 25 Dec from San Francisco to Boston, returning Mon, 5 Jan, priced at HK$3,359 found 2 days ago

Find the cheapest month to fly from San Francisco (SFO) to Boston (BOS)

May is typically the cheapest month to fly

From HK$1,246 - HK$2,250 per traveller.

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Logan Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from SFO to BOS was HK$1,692. Fares this cheap don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Airport to BOS?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SFO to Logan Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Airport to BOS?
With around 4,300 kilometers separating San Francisco Airport and Logan Intl. Airport (BOS), your flight will be a long one. Pack wisely and make your trip more comfortable. Simple things like warm clothing and a quality neck pillow can make a massive difference.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Logan Intl. Airport?
Have a look at the deals on offer with these top carriers and book your ticket from San Francisco Airport to Logan Intl. Airport (BOS) today:

  • JetBlue Airways - (B6) with 143 monthly flights
  • United Airlines - (UA) with 121 monthly flights
  • Delta Air Lines - (DL) with 56 monthly flights
  • Alaska Airlines - (AS) with 30 monthly flights

Are San Francisco Intl. Airport (SFO) to BOS flight tickets cheaper when they're purchased at the last minute?
Booking your trip from San Francisco Airport to BOS last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Logan Intl.
Return price
HK$1,692
Distance
4315 km
Average flight time
8 hours 39 mins

Book with confidence

Flights from San Francisco to Boston

Book cheap flights from San Francisco (SFO) to Boston (BOS) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to Boston (BOS) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to Boston (BOS) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Boston flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Boston and things to do in Boston for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Boston more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Boston is HK$776 now!

 

Flights from San Francisco to Boston

Explore a world of travel with Expedia

*Available to Expedia members.