S$152 Cheap Flights from Boston to San Francisco

View S$152 flight on Tue, 11 Nov, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$152 for one-way flights and S$304 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Delta
Wed, 10 Sep - Wed, 17 Sep
BOS
Boston
SFO
San Francisco
S$304
Return
Found 7 hours ago
Select Delta flight, departing Wed, 10 Sep from Boston to San Francisco, returning Wed, 17 Sep, priced at S$304 Found 7 hours ago
Delta
Wed, 10 Sep - Wed, 17 Sep
BOS
Boston
SFO
San Francisco
S$330
Return
Found 7 hours ago
Select Delta flight, departing Wed, 10 Sep from Boston to San Francisco, returning Wed, 17 Sep, priced at S$330 Found 7 hours ago
Delta
Tue, 29 Jul - Tue, 12 Aug
BOS
Boston
SFO
San Francisco
S$331
Return
Found 2 days ago
Select Delta flight, departing Tue, 29 Jul from Boston to San Francisco, returning Tue, 12 Aug, priced at S$331 Found 2 days ago
Delta
Thu, 10 Jul - Wed, 16 Jul
BOS
Boston
SFO
San Francisco
S$332
Return
Found 2 hours ago
Select Delta flight, departing Thu, 10 Jul from Boston to San Francisco, returning Wed, 16 Jul, priced at S$332 Found 2 hours ago
Delta
Tue, 22 Jul - Tue, 5 Aug
BOS
Boston
SFO
San Francisco
S$334
Return
Found 2 days ago
Select Delta flight, departing Tue, 22 Jul from Boston to San Francisco, returning Tue, 5 Aug, priced at S$334 Found 2 days ago
Delta
Tue, 22 Jul - Fri, 8 Aug
BOS
Boston
SFO
San Francisco
S$345
Return
Found 2 days ago
Select Delta flight, departing Tue, 22 Jul from Boston to San Francisco, returning Fri, 8 Aug, priced at S$345 Found 2 days ago
Delta
Thu, 3 Jul - Wed, 9 Jul
BOS
Boston
SFO
San Francisco
S$347
Return
Found 4 days ago
Select Delta flight, departing Thu, 3 Jul from Boston to San Francisco, returning Wed, 9 Jul, priced at S$347 Found 4 days ago
United
Wed, 10 Sep - Wed, 17 Sep
BOS
Boston
SFO
San Francisco
S$369
Return
Found 7 hours ago
Select United flight, departing Wed, 10 Sep from Boston to San Francisco, returning Wed, 17 Sep, priced at S$369 Found 7 hours ago
American Airlines
Thu, 10 Jul - Wed, 16 Jul
BOS
Boston
SFO
San Francisco
S$421
Return
Found 2 hours ago
Select American Airlines flight, departing Thu, 10 Jul from Boston to San Francisco, returning Wed, 16 Jul, priced at S$421 Found 2 hours ago
JetBlue Airways
Mon, 14 Jul - Sat, 26 Jul
BOS
Boston
SFO
San Francisco
S$473
Return
Found 2 days ago
Select JetBlue Airways flight, departing Mon, 14 Jul from Boston to San Francisco, returning Sat, 26 Jul, priced at S$473 Found 2 days ago
Boston to San Francisco route information
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$304
Distance
4315 km
Average flight time
3 hours 35 mins

Flights from Boston to San Francisco

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

The earliest flight leaves Logan Intl. Airport at 06:00 and arrives at San Francisco Intl. Airport at 00:09. The last flight of the day departs Boston at 21:49 and arrives at San Francisco at 23:54.

The flight distance from Boston to San Francisco is about 4364 km, the shortest flight is 06 hours 10 minutes with .

Expedia lets you search across the largest number of airlines and San Francisco 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 Boston San Francisco 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 Boston to San Francisco trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your San Francisco 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 Boston to San Francisco 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 Logan Intl. Airport to San Francisco Intl. Airport (SFO)?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Logan Intl. Airport (BOS) and SFO start from S$304. Book today to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to San Francisco Intl. Airport (SFO)?
Each air carrier has a different set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Logan Intl. Airport (BOS) to San Francisco 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 BOS to San Francisco Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
The distance is around 4,300 kilometres, so fill your carry-on bag with all the items you need to make the long journey comfortable. Not sure what to take on board your Boston to San Francisco flight? Earplugs, a sleep mask and a travel pillow are a few essentials.
Which airlines fly direct from BOS to San Francisco Intl. Airport (SFO)?
Whether you’re after a one-way or return flight, you’ll have your pick of airlines that will take you straight from Logan Intl. Airport to SFO. These are some of the most popular ones:

  • 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 BOS to SFO flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an awesome last-minute deal from BOS to SFO, but it’s also possible to miss out altogether! As many airlines release prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you’re always seeing the latest offers.

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San Francisco Airports

San Jose

Boston to Norman Y. Mineta San Jose Intl.
S$354.70
*Available to Expedia members.