it depends
33 years.
33 years
No two comets are the same, and you haven't mentioned which one you're interested in.
33 years, according to Wikipedia.
Having an elliptical orbit means there is a point for each comet where it is a comet's orbit can be changed over many years by gravity, until it is long and thin.
The orbital period of Halley's Comet is about 75.3 years.
The "Comet" is a variety of Goldfish that has a long, single tail.
Halley's Comet orbits the sun, not the earth, roughly every 76 years.
76 years
comet
Every comet has its own orbit and its own timing in terms of how long it takes to orbit the sun.
Halley's Comet travels in a very long, narrow ellipse.