Helium luckily is the second most abundant element in the universe. A good reason to go to the stars.
We might find it quite difficult to extract from the stars, that said.
A round-trip lasting centuries is not a practical solution. Star Trek is fiction.
mostly out of our reach unless you have way of removing it from the sun without your retrieval craft melting or being captured by the suns gravity well or from gas giants without the onboard system being fried by the intense radiation or again captured by the gravitation.