The average bus between Downtown Chicago and Oak Brook takes 1h 41m and the fastest bus takes 1h 19m. There is an hourly bus service from Downtown Chicago to Oak Brook. 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 hourly between Downtown Chicago and Oak Brook. The earliest departure is at 6:15 AM in the morning, and the last departure from Downtown Chicago is at 9:56 PM which arrives into Oak Brook at 5:26 AM. All services require a transfer at Clinton Blue Line Station and take an average of 1h 41m. The schedules shown below are for the next available departures.


1h 30m • 2 changes


1h 36m • 2 changes


1h 29m • 2 changes
Arrives next day


7h 29m • 2 changes


1h 44m • 2 changes


1h 40m • 2 changes


1h 37m • 2 changes


1h 37m • 2 changes
Want to know about travelling from Downtown Chicago to Oak Brook? 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 Oak Brook. However, there are services departing from Downtown Chicago station and arriving at Oak Brook station via Pulaski & Cermak. The journey, including transfers, takes approximately 1h 41m.
Downtown Chicago to Oak Brook bus services, operated by Chicago Transit (CTA), depart from Clinton Blue Line Station.
Downtown Chicago to Oak Brook bus services, operated by Chicago Transit (CTA), arrive at Cermak Rd & Windsor Dr station.
The distance between Downtown Chicago and Oak Brook is 24.1 km. The road distance is 30 km.
You can take a vehicle from Downtown Chicago to Cermak Rd & Windsor Dr via Clinton Blue Line Station, Pulaski & Cermak, Cermak & Pulaski, and North Riverside Park Mall in around 1h 42m.