✈ BOS → SFO
5H 55M FROM BOSTON TO SAN FRANCISCO. JET LAG IS NOW YOUR PERSONALITY.
Flight from Boston to San Francisco
From Logan (BOS), USA North America → SFO (SFO), USA North America
How long is the flight from Boston to San Francisco?
A nonstop flight from Boston (BOS) to San Francisco (SFO) takes about 5 hours 55 minutes, covering a great-circle distance of 2,697 miles (4,341 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
5h 55m
Nonstop, scheduled
Distance
2,697 mi
4,341 km · great-circle
Avg speed
734 km/h
Door-to-door including taxi
Time zones & jet lag
Boston timezone
UTC-4
America/New_York
San Francisco timezone
UTC-7
America/Los_Angeles
Time difference
-3h
3 hours behind
Jet lag (rough)
~2.1d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.