6 months to Mars, long wait to return
HOW long does it take to get to Mars?
Most estimates are about 260 days, or six months, and this applies to the one-way trip when Mars is closest to earth.
You have to wait about a year-and-a-half until the planets are close together again to make your return.
wereyouwondering.com; universitytoday.com; atronomycafe.net