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

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

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

October is typically the cheapest month to fly

From ￥22,658 - ￥40,997 per traveler.

Graph displaying average flight prices per month

Flights from Boston (BOS) to San Francisco (SFO)
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
￥34,090
Distance
4315 km
Average flight time
3 hours 34 mins

Boston to San Francisco Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Boston to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Francisco.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BOS to SFO flights that won’t make your bank account wince. Ready to temporarily leave behind Boston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SFO with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from BOS to San Francisco Airport?
If you're traveling between Logan Intl. Airport (BOS) and San Francisco Intl. Airport (SFO), round-trip journeys start from . This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport (BOS) to San Francisco Airport?
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 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 Logan Intl. Airport to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from BOS to San Francisco Airport?
It takes roughly 6 hours and 34 minutes to fly from Logan Intl. Airport to San Francisco Intl. Airport (SFO). But with some movies and an interesting book, the hours will pass by quicker.
How far is the flight from BOS to San Francisco Airport?
The distance is around 4,300 kilometers, so pack your carry-on luggage with all the items you need to make your journey comfortable. Not sure what to take on board your Boston to San Francisco flight? A sleep mask, earplugs and a neck pillow are a few essentials.
Which airlines fly direct from Logan Intl. Airport to San Francisco Airport?
You have a lot of choice when traveling from Logan Intl. Airport to San Francisco Intl. Airport (SFO). Lock in your ticket with one of these popular carriers:

  • United Airlines - (UA) with 173 monthly flights
  • JetBlue Airways - (B6) with 147 monthly flights
  • Alaska Airlines - (AS) with 56 monthly flights
  • Delta Air Lines - (DL) with 56 monthly flights

Are Logan Intl. Airport (BOS) to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Logan Intl. Airport (BOS) to SFO last minute could be your ticket to a great deal. However, it might cost 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 as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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