
Popular airlines from Logan International Airport (BOS) to San Francisco International Airport (SFO)
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- United
United
- Plan, book, fly with confidence
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Cheap Flights from Boston (BOS) to San Francisco (SFO)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Boston (BOS) to San Francisco (SFO)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Logan Intl. |
Destination airport | San Francisco Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, United |
Return price | AU$360 |
Distance | 4315 km |
Average flight time | 3 hours 34 mins |
Your quick guide to flights from Boston to San Francisco
Pick up great flights from Boston to San Francisco
With Expedia, you have your pick of 60 flights a day with 20 airlines covering flights from Boston to San Francisco. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Boston to San Francisco that take around 6 hours.
Find cheap flights from Boston to San Francisco
From the great flight deals with prices currently ranging from AU$360 to AU$463, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Boston to San Francisco around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Francisco is normally in September.
Reasons to book your flight from Boston to San Francisco with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Boston to San Francisco across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Francisco right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
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Top Routes from Boston
- Boston to Chicago (BOS - ORD)
- Boston to Melbourne (BOS - AVV)
- Boston to Los Angeles (BOS - LAX)
- Boston to Miami (BOS - MIA)
- Boston to Paris (BOS - CDG)
- Boston to New York (BOS - JFK)
- Boston to Dar es Salaam (BOS - DAR)
- Boston to Melbourne (BOS - MEL)
- Boston to London (BOS - LHR)
- Boston to Orlando (BOS - MCO)
- Boston to Brisbane (BOS - BNE)
- Boston to Toronto (BOS - YYZ)
Top Routes to San Francisco
- Melbourne to San Francisco (AVV - SFO)
- Los Angeles to San Francisco (LAX - SFO)
- Hobart to San Francisco (HBA - SFO)
- Darwin to San Francisco (DRW - SFO)
- Adelaide to San Francisco (ADL - SFO)
- Cairns to San Francisco (CNS - SFO)
- Manila to San Francisco (MNL - SFO)
- Delhi to San Francisco (DEL - SFO)
- Launceston to San Francisco (LST - SFO)
- Gold Coast to San Francisco (OOL - SFO)
- Canberra to San Francisco (CBR - SFO)
- Vancouver to San Francisco (YVR - SFO)
Top Routes from Boston
Top Flight Destinations
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