Yes, in fact per Mark Adler [0] you'd use a Jupiter flyby to fly back to the sun and then do a high thrust burn at closest approach to maximize your speed into

Yes, in fact per Mark Adler [0] you'd use a Jupiter flyby to fly back to the sun and then do a high thrust burn at closest approach to maximize your speed into interstellar space (Oberth effect). [0] https://www.quora.com/Can-we-use-the-gravity-of-the-sun-to-slingshot-spacecraft-into-interstellar-space-or-to-other-stars https://www.quora.com/Can-we-use-the-gravity-of-the-sun-to-s...