Boston to San Francisco Flights
Flights from Boston (BOS) to San Francisco (SFO) connect United States and United States. The great-circle distance is approximately 4,341 km, and a typical direct flight takes about 6 to 7 hours. Airports commonly used for this city pair include BOS and SFO, OAK, SJC. The reverse route is San Francisco to Boston. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Boston, United States
- Destination
- San Francisco, United States
- Distance
- 4,341 km
- Typical duration
- about 6 to 7 hours
- Origin codes
- BOS
- Destination codes
- SFO, OAK, SJC
- Primary keyword
- flights from Boston to San Francisco
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Route overview
Boston to San Francisco is a city-pair air route between United States and United States. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are BOS and SFO. Related codes: BOS → SFO, OAK, SJC.
Distance
Approximate flight distance: 4,341 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 6 to 7 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Boston airports and metro codes: BOS.
San Francisco airports and metro codes: SFO, OAK, SJC.
Alternative routes
Related searches include the reverse route San Francisco to Boston, other destinations from Boston, and other origins into San Francisco.
Frequently asked questions
How long is the flight from Boston to San Francisco?
Direct flights from Boston to San Francisco typically take about 6 to 7 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Boston to San Francisco?
The great-circle distance between Boston and San Francisco is approximately 4,341 km. Flown distance can be longer depending on airways.
Which airports serve flights from Boston to San Francisco?
Boston is commonly searched with code BOS (related: BOS). San Francisco is commonly searched with code SFO (related: SFO, OAK, SJC).
Are there direct flights from Boston to San Francisco?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from San Francisco to Boston?
The reverse city pair is San Francisco to Boston. Distance is the same great-circle measure (4,341 km); block time can differ with winds and schedules.
Which countries does the Boston to San Francisco route connect?
This route connects United States (Boston) with United States (San Francisco).