You are already in space on spaceship earth powered by the fusion engine of the sun, moving at 66,000 mph around the sun and 500,000 mph, in company with the solar system, around the galaxy.
You can buy a seat later on Virgin Galactic when they become available, to the edge of space and straight back down for about $250,000, or if you are very rich you can go to the ISS on a Russian rocket. If you are very smart, PHD material, you may be able to become an astronaut Apply for a job at NASA now, but remember maybe less than 1 in 1,000 NASA employees are chosen to be astronauts. The days when test pilots became astronauts are gone, and there are no cleaners needed on the ISS.
For about $1.000 you can ride in a retired jet fighter. This is about as far as a regular human can get towards space