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

View HK$776 flight on Sat, 18 Oct 2025Opens in a new window

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

    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$1,541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 1 Nov - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$1,541 Return, found 4 days ago
HK$1,541
Return
found 4 days ago
Select Delta flight, departing Sat, 1 Nov from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$1,541 found 4 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
SFO
San Francisco
BOS
Boston
HK$1,855 Return, found 1 day ago
HK$1,855
Return
found 1 day ago
Select Delta flight, departing Sat, 25 Oct from San Francisco to Boston, returning Sat, 1 Nov, priced at HK$1,855 found 1 day ago
United
Sat, 11 Oct - Thu, 16 Oct
SFO
San Francisco
BOS
Boston
HK$1,939 Return, found 4 days ago
HK$1,939
Return
found 4 days ago
Select United flight, departing Sat, 11 Oct from San Francisco to Boston, returning Thu, 16 Oct, priced at HK$1,939 found 4 days ago
United
Fri, 31 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$1,941 Return, found 3 days ago
HK$1,941
Return
found 3 days ago
Select United flight, departing Fri, 31 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$1,941 found 3 days ago
United
Sat, 11 Oct - Thu, 16 Oct
SFO
San Francisco
BOS
Boston
HK$2,014 Return, found 4 days ago
HK$2,014
Return
found 4 days ago
Select United flight, departing Sat, 11 Oct from San Francisco to Boston, returning Thu, 16 Oct, priced at HK$2,014 found 4 days ago
American Airlines
Sat, 11 Oct - Thu, 16 Oct
SFO
San Francisco
BOS
Boston
HK$2,015 Return, found 4 days ago
HK$2,015
Return
found 4 days ago
Select American Airlines flight, departing Sat, 11 Oct from San Francisco to Boston, returning Thu, 16 Oct, priced at HK$2,015 found 4 days ago
Delta
Fri, 31 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$2,016 Return, found 3 days ago
HK$2,016
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$2,016 found 3 days ago
American Airlines
Fri, 31 Oct - Sat, 8 Nov
SFO
San Francisco
BOS
Boston
HK$2,018 Return, found 3 days ago
HK$2,018
Return
found 3 days ago
Select American Airlines flight, departing Fri, 31 Oct from San Francisco to Boston, returning Sat, 8 Nov, priced at HK$2,018 found 3 days ago
Delta
Fri, 31 Oct - Sun, 2 Nov
SFO
San Francisco
BOS
Boston
HK$2,089 Return, found 5 days ago
HK$2,089
Return
found 5 days ago
Select Delta flight, departing Fri, 31 Oct from San Francisco to Boston, returning Sun, 2 Nov, priced at HK$2,089 found 5 days ago
Alaska Airlines
Fri, 26 Dec - Fri, 2 Jan
SFO
San Francisco
BOS
Boston
HK$3,723 Return, found 4 days ago
HK$3,723
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 26 Dec from San Francisco to Boston, returning Fri, 2 Jan, priced at HK$3,723 found 4 days ago

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

October is typically the cheapest month to fly

From HK$1,233 - HK$2,488 per traveller.
San Francisco to Boston route information
Origin airport
San Francisco Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$1,541
Distance
4315 km
Average flight time
8 hours 46 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$776 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$1,541. 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.

Explore a world of travel with Expedia

*Available to Expedia members.