S$142 Cheap Flights from San Francisco to Boston

View S$142 flight on Sat, 6 Dec, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$142 for one-way flights and S$283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Dec - Sat, 13 Dec
SFO
San Francisco
BOS
Boston
S$283 Return, found 2 days ago
S$283
Return
found 2 days ago
Select Delta flight, departing Sat, 6 Dec from San Francisco to Boston, returning Sat, 13 Dec, priced at S$283 found 2 days ago
Delta
Thu, 4 Dec - Wed, 10 Dec
SFO
San Francisco
BOS
Boston
S$309 Return, found 4 days ago
S$309
Return
found 4 days ago
Select Delta flight, departing Thu, 4 Dec from San Francisco to Boston, returning Wed, 10 Dec, priced at S$309 found 4 days ago
Delta
Fri, 9 Jan - Sat, 31 Jan
SFO
San Francisco
BOS
Boston
S$322 Return, found 3 days ago
S$322
Return
found 3 days ago
Select Delta flight, departing Fri, 9 Jan from San Francisco to Boston, returning Sat, 31 Jan, priced at S$322 found 3 days ago
Delta
Thu, 27 Nov - Thu, 4 Dec
SFO
San Francisco
BOS
Boston
S$335 Return, found 3 days ago
S$335
Return
found 3 days ago
Select Delta flight, departing Thu, 27 Nov from San Francisco to Boston, returning Thu, 4 Dec, priced at S$335 found 3 days ago
United
Sat, 6 Dec - Sat, 13 Dec
SFO
San Francisco
BOS
Boston
S$349 Return, found 2 days ago
S$349
Return
found 2 days ago
Select United flight, departing Sat, 6 Dec from San Francisco to Boston, returning Sat, 13 Dec, priced at S$349 found 2 days ago
United
Sat, 6 Dec - Sat, 13 Dec
SFO
San Francisco
BOS
Boston
S$362 Return, found 2 days ago
S$362
Return
found 2 days ago
Select United flight, departing Sat, 6 Dec from San Francisco to Boston, returning Sat, 13 Dec, priced at S$362 found 2 days ago
Delta
Sat, 6 Dec - Sat, 13 Dec
SFO
San Francisco
BOS
Boston
S$362 Return, found 2 days ago
S$362
Return
found 2 days ago
Select Delta flight, departing Sat, 6 Dec from San Francisco to Boston, returning Sat, 13 Dec, priced at S$362 found 2 days ago
United
Thu, 27 Nov - Thu, 4 Dec
SFO
San Francisco
BOS
Boston
S$364 Return, found 3 days ago
S$364
Return
found 3 days ago
Select United flight, departing Thu, 27 Nov from San Francisco to Boston, returning Thu, 4 Dec, priced at S$364 found 3 days ago
Delta
Thu, 4 Dec - Wed, 10 Dec
SFO
San Francisco
BOS
Boston
S$374 Return, found 4 days ago
S$374
Return
found 4 days ago
Select Delta flight, departing Thu, 4 Dec from San Francisco to Boston, returning Wed, 10 Dec, priced at S$374 found 4 days ago
American Airlines
Thu, 4 Dec - Wed, 10 Dec
SFO
San Francisco
BOS
Boston
S$438 Return, found 4 days ago
S$438
Return
found 4 days ago
Select American Airlines flight, departing Thu, 4 Dec from San Francisco to Boston, returning Wed, 10 Dec, priced at S$438 found 4 days ago

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

May is typically the cheapest month to fly

From S$209 - S$442 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
S$283
Distance
4315 km
Average flight time
8 hours 36 mins

Flights from San Francisco to Boston

There are several airlines that operate frequent flights from San Francisco (SFO) to Boston (BOS) including

The earliest flight leaves San Francisco Intl. Airport at 00:30 and arrives at Logan Intl. Airport at 00:27. The last flight of the day departs San Francisco at 22:45 and arrives at Boston at 23:57.

The flight distance from San Francisco to Boston is about 4364 km, the shortest flight is 05 hours 22 minutes with .

Expedia lets you search across the largest number of airlines and Boston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your San Francisco Boston flight!

Browse through dozens of options and rest 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 to Boston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Boston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from San Francisco to Boston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$283. 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 kilometres 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

San Francisco Airports

San Jose

Norman Y. Mineta San Jose Intl. to Boston
S$335.50
*Available to Expedia members.