CA $134 Cheap Flights from Boston (BOS) to San Francisco (SFO)

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Cheap flights from Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at CA $134 for one-way flights and CA $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
JetBlue Airways
Delta
JetBlue Airways
JetBlue Airways
JetBlue Airways
Delta
American Airlines
Delta
American Airlines
Flight from Boston to San Francisco (BOS - SFO) route information
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Sun Country Airlines, United
Roundtrip price
CA $269
Distance
4315 km
Average flight time
3 hours 36 mins

Boston to San Francisco Flights

The easy way to book your flights from Boston to San Francisco 

With Expedia, it’s simple to find and book flights to San Francisco from Boston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Condor, Qatar Airways, JAL, Icelandair, Fiji Airways, Delta Air Lines, Asiana Airlines, Virgin Australia, Air New Zealand, United Airlines, Alaska Airlines, Etihad Airways, JetBlue, LATAM Airlines, Hawaiian Airlines, ANA, Korean Air, WestJet, TAP Air Portugal, Singapore Airlines, Air China nonstop flights to San Francisco Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boston to San Francisco today, tomorrow, or this week.  

 

Save dollars with cheap flights from Logan Intl., BOS to San Francisco Intl., SFO 

Sort your search results by price to find great deals on your flight from Boston to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from Boston currently is just CA $270 rising to CA $301.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Francisco  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to San Francisco from Boston 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Francisco with Expedia today.

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 CA $270. 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 kilometers, 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.
San Francisco nearby Airports
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Manchester

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