Next departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
Greyhound Lines, Inc. + FlixBus | Montclair / Ontario / Claremont | Chicago 95Th & Dan Ryan | Cheapest | |||||
 | Montclair / Ontario / Claremont | Downtown Greyhound Station | Fastest | |||||
 | Ontario Station | Chicago (Union Station), IL | No tags | |||||
FlixBus + Greyhound Lines, Inc. | Montclair (Ontario) | Downtown Greyhound Station | No tags | |||||
| Montclair / Ontario / Claremont | 537-517 W. Jackson Blvd | No tags |
Last refresh of the prices: Today at 5:33 PM PST.
Compare 2 ways to go from Ontario to Chicago
Among the sustainable travel choices, the Bus stands out as the good way to reach Chicago. The journey takes about 2 days, 3 hours and with fares starting at just $140, it presents an excellent value for a comfortable ride.
Where are the popular stops in Ontario and Chicago?
Stops in Ontario
Stops in Chicago
- A630 W Harrison St, Chicago, IL 60607, USA
- C
Polk St & Canal St
500-536 W Polk St, Chicago IL 60607, USA - D
Tornado Bus S Kedzie Ave
2807 S Kedzie Ave, Chicago, IL 60623, USA - E
Cumberland CTA
5800 N Cumberland Ave, Chicago, IL 60631, USA - F
Turimex California Ave
2139 S California Ave, Chicago, IL 60608, USA
Compare bus companies
Frequently asked questions about traveling from Ontario, CA to Chicago by bus
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 bus ticket from Ontario to Chicago?
The cheapest bus tickets from Ontario to Chicago start from $140. The average price for this route is around $265. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Ontario to Chicago?
The average bus trip duration from Ontario to Chicago is 2d 3h, covering a distance of 1709 miles (2757 km). The quickest bus can get you there in 1d 19h and is operated by Greyhound.
Which bus companies service the Ontario to Chicago route?
What is the earliest and latest departure time for the bus from Ontario to Chicago?
The earliest bus departs from Ontario to Chicago at 1:30am. And the latest bus departs at 9:05pm.
What are the CO₂ emissions for the bus trip from Ontario to Chicago?
A bus trip from Ontario to Chicago generates an estimated 69 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Ontario to Chicago?
According to Busbud customers, the highest-rated bus company on this route is Amtrak, with an average rating of 4.1 out of 5 stars based on 5696 reviews.
Which bus company has the best Wi-Fi from Ontario to Chicago?
Based on reviews on Busbud, the bus company Amtrak has the best Wi-Fi rating with a score of 3.6.
Which bus company has the most timely service from Ontario to Chicago?
According to Busbud traveller reviews, the most timely bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.
Which bus company has the cleanest buses from Ontario to Chicago?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Amtrak, with a cleanliness rating of 4.5 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Ontario, CA to Chicago was searched and found on Jan 10, 2026 with a price of $275To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to Chicago, as early as possible.
You can expect to pay from $275 to $1,666 for a bus ticket from Ontario, CA to Chicago based on the last 2 days. You can expect to find the cheapest price for the trip at $310 which is on 2026-01-13.
Usually Amtrak will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
