The average train between Illinois and St. Louis Airport (STL) takes 5h 40m and the fastest train takes 5h 31m. The train service runs several times per day from Illinois 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 Illinois and St. Louis Airport (STL). The earliest departure is at 7:15 AM in the morning, and the last departure from Illinois 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.

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Want to know about travelling from Illinois 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 Illinois to St. Louis Airport (STL). However, there are services departing from Illinois station and arriving at St. Louis Airport (STL) station via St. Louis. The journey, including transfers, takes approximately 5h 40m.
Illinois to St. Louis Airport (STL) train services, operated by Amtrak, depart from Chicago Union Station.
Illinois to St. Louis Airport (STL) train services, operated by Amtrak, arrive at St. Louis station.
The distance between Illinois and St. Louis Airport (STL) is 168.9 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.