Chicago O’Hare International Airport is one of the busiest airports in the world, welcoming millions of travelers each year. Whether you’re visiting Chicago for business, a special event, or your first trip to the city, getting from O’Hare to downtown Chicago is one of the first decisions you’ll need to make. There are several transportation options available, each with different costs, travel times, and levels of comfort. Below, we break down all the ways to travel from O’Ha