Cheapest€55.89
- Amtrak A605606:023h 26m09:28Chicago Union StationO'Fallon station
Door to door 4h 10mCO2 16.1 kgChanges 0Refundable
Chicago to O'Fallon train
Trains from Chicago to O'Fallon start at €68.53 and take 4h 10m at their fastest.
The Trains from Chicago to O'Fallon starts at €68.53 and takes 4h 10m door to door, run by 1 operator over 489 km, with around 3 departures a day. Fares bottom out about 30 days before departure.
- 4h 10mDoor to door
- 3h 26mMoving
- €68.53From
- 16.1 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Rail operators
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From | Fastest | Typical speed | Flexibility | On board |
|---|---|---|---|---|---|
 Amtrak | €55.89 | 4h 6m | 140 km/h | Refundable | Power outlets, Wi-Fi |
The train gets you into O'Fallon. It does not get you a bed, and neither do we.
A room in O'Fallon for the night the train gets in
Hotels and apartments near downtown, most of them with free cancellation, on a map that shows what is walkable.
Search O'Fallon on Booking.comOr compare on Expedia
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Chicago to O'Fallon
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €63.0390 days
- €58.0960 days
- €61.9445 days
- €56.4430 days
- €72.9421 days
- €102.6414 days
- €108.697 days
- €126.293 days
- €168.291 days
- Cheapest lead time
- Fares bottom out around 30 days ahead, at €56.44.
- How much it moves
- The gap between the cheapest and most expensive lead time is 198 percent. The most expensive point is €168.29, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 30 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €98.08Sun
- €68.54Mon
- €68.53Tue
- €71.83Wed
- €102.64Thu
- €91.00Fri
- €85.59Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Chicago
Rail
- Chicago Union Station
- Chicago Ridge
- Chicago station
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 20% of the services we sell on this corridor run through without a change. The remaining 80% involve one connection.
- How far it really runs
- The route covers 489 km against 425 km in a straight line, a detour of 15 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Naperville, Joliet, Champaign, North Peoria. The gap between arriving and leaving is 80 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 12 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
- First and last departure
- The first service of the day leaves Chicago at 06:02 and the last at 07:30, across 3 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Chicago to O'Fallon
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Train from Chicago to O'Fallon take?
The Train from Chicago to O'Fallon takes 4h 10m door to door, of which 3h 26m is spent moving. The route runs 489 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Train from Chicago to O'Fallon cost?
The Train from Chicago to O'Fallon starts at €68.53 for one passenger, checked on September 29, 2026. A typical fare is €72.38. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Train from Chicago to O'Fallon?
1 operators run the Train from Chicago to O'Fallon: Amtrak. Between them they file around 3 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Train from Chicago to O'Fallon use?
The Train from Chicago to O'Fallon leaves from Chicago Union Station and arrives at O'Fallon station. Allow about 44m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Train from Chicago to O'Fallon?
Fares for the Train from Chicago to O'Fallon bottom out around 30 days ahead, at €56.44. The gap between the cheapest and most expensive lead time across the window is 198 percent, measured on September 29, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Train from Chicago to O'Fallon produce?
The Train from Chicago to O'Fallon produces about 16.1 kg of CO2 per passenger over 489 km, which works out at roughly 33 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
What is provided on board the Train from Chicago to O'Fallon?
Operators on the Train from Chicago to O'Fallon publish Power outlets, Wi-Fi. That is what 1 carriers on this corridor state about their own fleets, across a journey of 4h 10m door to door. Where a carrier publishes nothing, this page lists nothing for it.
Where these numbers come from
Derived from service area No carrier record names this exact pair. The operators listed publish a service area covering both places at a distance their mode plausibly carries people, which is evidence that the corridor is served and not evidence of a specific service. Pages state which, because presenting the two as the same thing would be dishonest.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Chicago to O'Fallon on September 10, 2026: 489 km of route against 425 km in a straight line, 3 services a day, 1 operators, a cheapest fare of €68.53, and 4h 10m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
Related journeys
O'Fallon to Chicago trainCompare every mode from Chicago to O'FallonBlue Springs to O'Fallon trainChampaign to O'Fallon trainCicero to O'Fallon trainDavenport to O'Fallon trainDes Moines to O'Fallon trainEast Independence to O'Fallon trainIndependence to O'Fallon trainJefferson City to O'Fallon trainJoliet to O'Fallon trainKansas City to O'Fallon trainLee's Summit to O'Fallon trainNaperville to O'Fallon train
Our job ends at the platform. What fills the days in O'Fallon afterward does not belong to us.
Anything to book in O'Fallon before you go?
The tickets worth having in advance, because the line at the door is usually the whole morning.
See O'Fallon on GetYourGuideOr browse Viator
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