Cheap Flights from San Francisco (SFO) to Boston (BOS) from HK$777~

View HK$777 flight on Wed, 17 Sep 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Logan International Airport (BOS)

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

Prices were available within the past 7 days and start at HK$777 for one-way flights and HK$1,554 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 15 Sep - Wed, 17 Sep
SFO
San Francisco
BOS
Boston
HK$1,554 Return, found 1 day ago
HK$1,554
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Sep from San Francisco to Boston, returning Wed, 17 Sep, priced at HK$1,554 found 1 day ago
Delta
Mon, 15 Sep - Wed, 17 Sep
SFO
San Francisco
BOS
Boston
HK$1,941 Return, found 1 day ago
HK$1,941
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Sep from San Francisco to Boston, returning Wed, 17 Sep, priced at HK$1,941 found 1 day ago
Delta
Thu, 30 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$1,952 Return, found 3 days ago
HK$1,952
Return
found 3 days ago
Select Delta flight, departing Thu, 30 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$1,952 found 3 days ago
United
Thu, 30 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$2,005 Return, found 3 days ago
HK$2,005
Return
found 3 days ago
Select United flight, departing Thu, 30 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$2,005 found 3 days ago
Delta
Sat, 6 Sep - Sat, 13 Sep
SFO
San Francisco
BOS
Boston
HK$2,059 Return, found 3 hours ago
HK$2,059
Return
found 3 hours ago
Select Delta flight, departing Sat, 6 Sep from San Francisco to Boston, returning Sat, 13 Sep, priced at HK$2,059 found 3 hours ago
Delta
Thu, 30 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$2,091 Return, found 3 days ago
HK$2,091
Return
found 3 days ago
Select Delta flight, departing Thu, 30 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$2,091 found 3 days ago
Delta
Thu, 30 Oct - Wed, 5 Nov
SFO
San Francisco
BOS
Boston
HK$2,102 Return, found 13 hours ago
HK$2,102
Return
found 13 hours ago
Select Delta flight, departing Thu, 30 Oct from San Francisco to Boston, returning Wed, 5 Nov, priced at HK$2,102 found 13 hours ago
Delta
Mon, 15 Sep - Wed, 17 Sep
SFO
San Francisco
BOS
Boston
HK$2,177 Return, found 1 day ago
HK$2,177
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Sep from San Francisco to Boston, returning Wed, 17 Sep, priced at HK$2,177 found 1 day ago
Delta
Mon, 15 Sep - Wed, 17 Sep
SFO
San Francisco
BOS
Boston
HK$2,179 Return, found 1 day ago
HK$2,179
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Sep from San Francisco to Boston, returning Wed, 17 Sep, priced at HK$2,179 found 1 day ago
American Airlines
Mon, 15 Sep - Wed, 17 Sep
SFO
San Francisco
BOS
Boston
HK$2,351 Return, found 1 day ago
HK$2,351
Return
found 1 day ago
Select American Airlines flight, departing Mon, 15 Sep from San Francisco to Boston, returning Wed, 17 Sep, priced at HK$2,351 found 1 day ago

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

October is typically the cheapest month to fly

From HK$1,240 - HK$2,212 per traveller.

Graph displaying average flight prices per month

San Francisco to Boston route information
Origin airport
San Francisco Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$1,554
Distance
4315 km
Average flight time
8 hours 42 mins

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$777 now!

 

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$1,554. 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.

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