Tel: +1 773 686 2200 or 773 686 3700.
Blue Line trains run every few minutes between the airport and downtown Chicago 24 hours a day; the journey takes around 50 minutes. For safety reasons travellers are advised against using the Blue Line at night. Travellers can also use the Pace bus service to get to downtown Chicago. Taxi ranks are situated outside the arrivals hall in each of the airport terminals; the fare is around $40 for the 30-45 minute journey from the airport to downtown Chicago.
Companies represented at the airport include Alamo, Avis, Budget, Hertz and National.
Facilities at the airport include restaurants, bars, shops, duty-free shopping, bureaux de change, a bank and ATMs. The Hilton Athletic Club provides a health club, sauna, steam room and massage. There is a medical centre, baby-change facilities, a play area and a 24-hour interfaith chapel. There are also many airport art exhibits to view as well as the Urban Garen, the first aeroponic garden in the world.
Parking at Chicago O'Hare is divided into the main lots, international lots, economy lots, and valet lots, with an additional free Cell Phone Lot for pick-ups and drop-offs. Fees range from around $2 per hour at the main lots, or $5 for two hours at the international lot, to $17 per day in the economy lots. Valet parking is also available.