Next departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Chicago (Union Station), IL | Ontario Station | Cheapest | |||||
| Chicago (Union Station), IL | Ontario Station | Fastest | |||||
| Chicago (Union Station), IL | Ontario Station | No tags |
Last refresh of the prices: Yesterday at 12:43 PM CST.
Compare 2 ways to go from Chicago to Ontario
Among the sustainable travel choices, the bus stands out as a good way to reach Ontario. The journey takes about 2 days, 4 hours 35 minutes, and with fares starting at just $237, it presents an excellent value for a comfortable ride.
Train companies
Based on 5615 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the seats and the ticket access but often complained with the WiFi. Amtrak ticket prices on this trip start at $238
Frequently asked questions about travelling from Chicago to Ontario, CA by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from Chicago to Ontario?
The cheapest train tickets from Chicago to Ontario start at $238. The average price for this train route is around $447. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Chicago to Ontario?
The average train trip from Chicago to Ontario takes 2d 20h and covers 2754 km. The quickest train gets you there in 2d 16h and is operated by Amtrak.
Which train operators serve the Chicago to Ontario route?
Several major train operators serve this route, with 2 trains available per day.
What are the earliest and latest departure times for the train from Chicago to Ontario?
The earliest train from Chicago to Ontario departs at 7:15am. The latest train departs at 1:52pm.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Chicago to Ontario, CA was searched and found on Dec 2, 2025 with a price of $279To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Chicago to Ontario, CA, as early as possible.
You can expect to pay from $279 to $4,333 for a train ticket from Chicago to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $279 which is on 2025-12-02.
