The average bus between Downtown Chicago and O'Hare takes 1h 35m and the fastest bus takes 1h 4m. The bus runs at least 2 times per hour from Downtown Chicago to O'Hare. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Downtown Chicago and O'Hare. The earliest departure is at 5:14 AM in the morning, and the last departure from Downtown Chicago is at 10:50 PM which arrives into O'Hare at 5:16 AM. All services require a transfer at Jefferson & Washington and take an average of 1h 35m. The schedules shown below are for the next available departures.

1h 43m • 1 change
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1h 24m • 1 changeWant to know about travelling from Downtown Chicago to O'Hare? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Downtown Chicago to O'Hare. However, there are services departing from Jefferson & Washington station and arriving at East River Rd & Berwyn station via Jefferson Park Transit Center station. The journey, including transfers, takes approximately 1h 35m.
Downtown Chicago to O'Hare bus services, operated by Chicago Transit (CTA), depart from Jefferson & Washington station.
Downtown Chicago to O'Hare bus services, operated by Chicago Transit (CTA), arrive at East River Rd & Berwyn station.
The distance between Downtown Chicago and O'Hare is 20 km. The road distance is 23 km.
You can take a vehicle from Downtown Chicago to East River Rd & Berwyn via Jefferson & Washington and Jefferson Park Transit Center in around 1h 46m.