RM501 Cheap Flights from Boston (BOS) to San Francisco (SFO)

View RM501 flight on Wed, 17 Sep 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 RM501 for one-way flights and RM1,047 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 17 Sep - Sun, 21 Sep
BOS
Boston
SFO
San Francisco
RM1,047 Return, found 18 hours ago
RM1,047
Return
found 18 hours ago
Select Delta flight, departing Wed, 17 Sep from Boston to San Francisco, returning Sun, 21 Sep, priced at RM1,047 found 18 hours ago
United
Wed, 17 Sep - Sun, 21 Sep
BOS
Boston
SFO
San Francisco
RM1,258 Return, found 18 hours ago
RM1,258
Return
found 18 hours ago
Select United flight, departing Wed, 17 Sep from Boston to San Francisco, returning Sun, 21 Sep, priced at RM1,258 found 18 hours ago
Delta
Wed, 17 Sep - Sun, 21 Sep
BOS
Boston
SFO
San Francisco
RM1,259 Return, found 18 hours ago
RM1,259
Return
found 18 hours ago
Select Delta flight, departing Wed, 17 Sep from Boston to San Francisco, returning Sun, 21 Sep, priced at RM1,259 found 18 hours ago
Delta
Wed, 10 Sep - Fri, 12 Sep
BOS
Boston
SFO
San Francisco
RM1,296 Return, found 1 day ago
RM1,296
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Sep from Boston to San Francisco, returning Fri, 12 Sep, priced at RM1,296 found 1 day ago
United
Wed, 17 Sep - Sun, 21 Sep
BOS
Boston
SFO
San Francisco
RM1,299 Return, found 18 hours ago
RM1,299
Return
found 18 hours ago
Select United flight, departing Wed, 17 Sep from Boston to San Francisco, returning Sun, 21 Sep, priced at RM1,299 found 18 hours ago
Delta
Wed, 17 Sep - Sun, 21 Sep
BOS
Boston
SFO
San Francisco
RM1,300 Return, found 18 hours ago
RM1,300
Return
found 18 hours ago
Select Delta flight, departing Wed, 17 Sep from Boston to San Francisco, returning Sun, 21 Sep, priced at RM1,300 found 18 hours ago
American Airlines
Wed, 10 Sep - Fri, 12 Sep
BOS
Boston
SFO
San Francisco
RM1,305 Return, found 1 day ago
RM1,305
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Sep from Boston to San Francisco, returning Fri, 12 Sep, priced at RM1,305 found 1 day ago
United
Wed, 10 Sep - Fri, 12 Sep
BOS
Boston
SFO
San Francisco
RM1,321 Return, found 1 day ago
RM1,321
Return
found 1 day ago
Select United flight, departing Wed, 10 Sep from Boston to San Francisco, returning Fri, 12 Sep, priced at RM1,321 found 1 day ago
American Airlines
Wed, 10 Sep - Fri, 12 Sep
BOS
Boston
SFO
San Francisco
RM1,346 Return, found 1 day ago
RM1,346
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Sep from Boston to San Francisco, returning Fri, 12 Sep, priced at RM1,346 found 1 day ago
Delta
Wed, 10 Sep - Fri, 12 Sep
BOS
Boston
SFO
San Francisco
RM1,422 Return, found 1 day ago
RM1,422
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Sep from Boston to San Francisco, returning Fri, 12 Sep, priced at RM1,422 found 1 day ago

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

October is typically the cheapest month to fly

From RM 668 - RM 1,209 per traveller.

Graph displaying average flight prices per month

Boston to San Francisco route information
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Return price
RM1,047
Distance
4315 km
Average flight time
3 hours 31 mins

Perfect flights from Boston to San Francisco

Your Journey from Boston to San Francisco

Start your unforgettable journey with Expedia. Our broad selection of flights from Boston to San Francisco caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Logan Intl. to San Francisco Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Boston to San Francisco Flights

Experience the joy of finding cheap flights from Logan Intl. to San Francisco Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM501 and roundtrip prices from RM1,047*.
 

Pre-Flight Essentials

Ensure a smooth journey from Boston to San Francisco with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Francisco

Picture yourself stepping off the plane in San Francisco and immersing yourself in the unique atmosphere of San Francisco. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Boston to San Francisco Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Boston to San Francisco.
 

Beyond the Flight – Exploring San Francisco

With Expedia, your adventure extends beyond the flight. Explore San Francisco at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Boston to San Francisco with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Boston to San Francisco with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM1,047. 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.

Explore a world of travel with Expedia

*Available to Expedia members.