The average train between Chicago and St. Louis Airport (STL) takes 5h 40m and the fastest train takes 5h 31m. The train service runs several times per day from Chicago to St. Louis Airport (STL). The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run 5 times a day between Chicago and St. Louis Airport (STL). The earliest departure is at 7:15 AM in the morning, and the last departure from Chicago is at 7:10 PM which arrives into St. Louis Airport (STL) at 12:45 AM. All services require a transfer at St. Louis and take an average of 5h 40m. The schedules shown below are for the next available departures.

5h 31m • 1 change

5h 36m • 1 change

5h 56m • 1 change

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5h 31m • 1 change

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5h 31m • 1 change

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5h 56m • 1 change

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5h 31m • 1 change

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5h 56m • 1 change

5h 46m • 1 change

5h 31m • 1 change

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5h 46m • 1 change
Want to know about travelling from Chicago to St. Louis Airport (STL)? 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 train from Chicago to St. Louis Airport (STL). However, there are services departing from Chicago station and arriving at St. Louis Airport (STL) station via St. Louis. The journey, including transfers, takes approximately 5h 40m.
Chicago to St. Louis Airport (STL) train services, operated by Amtrak, depart from Chicago Union Station.
Chicago to St. Louis Airport (STL) train services, operated by Amtrak, arrive at St. Louis station.
The distance between Chicago and St. Louis Airport (STL) is 418.6 km. The road distance is 474 km.
Amtrak operates a train from Chicago Union Station to St. Louis 5 times a day. Tickets cost $90–190 and the journey takes 4h 46m.