How much is the bus ticket from Chicago to Ontario?

The cheapest bus tickets from Chicago to Ontario start from $226. The average price for this route is around $351. 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 Chicago to Ontario?

The average bus trip duration from Chicago to Ontario is 2d 4h, covering a distance of 1709 miles (2757 km). The quickest bus can get you there in 1d 23h and is operated by Greyhound .

Which bus companies service the Chicago to Ontario route?

Several major bus companies operate on this route with 14 buses available per day, including services from Greyhound , FlixBus .

What is the earliest and latest departure time for the bus from Chicago to Ontario?

The earliest bus departs from Chicago to Ontario at 12:15am. And the latest bus departs at 11:50pm.

What are the CO₂ emissions for the bus trip from Chicago to Ontario?

A bus trip from Chicago to Ontario 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 Chicago to Ontario?

According to Busbud customers, the highest-rated bus company on this route is Greyhound , with an average rating of 3.5 out of 5 stars based on 87435 reviews.

Which bus company has the best Wi-Fi from Chicago to Ontario?

Based on reviews on Busbud, the bus company FlixBus has the best Wi-Fi rating with a score of 2.7.

Which bus company has the most timely service from Chicago to Ontario?

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 Chicago to Ontario?

According to Busbud traveller reviews, the bus company with the cleanest buses on this route is FlixBus , with a cleanliness rating of 4.1 out of 5 stars.

Bus Chicago to Ontario from $218 | Refundable Tickets

Next bus departures

Next departures for Chicago to Ontario on December 30
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
FlixBus + Greyhound Lines, Inc.	Bus	11:50pm	Chicago 95Th & Dan Ryan	2d 16h	1:55pm	Montclair / Ontario / Claremont	Cheapest
FlixBus + Greyhound Lines, Inc.	Bus	5:10pm	Chicago 95Th & Dan Ryan	1d 23h	2:55pm	Montclair / Ontario / Claremont	Fastest
Greyhound Lines, Inc. + FlixBus	Bus	12:01pm	Downtown Greyhound Station	2d	10:55am	Montclair (Ontario)	No tags
	Bus	12:01pm	Downtown Greyhound Station	2d 3h	1:55pm	Montclair / Ontario / Claremont	No tags
FlixBus + Greyhound Lines, Inc.	Bus	4:30pm	Downtown Greyhound Station	2d 11h	1:30am	Montclair (Ontario)	No tags

Last refresh of the prices: Yesterday at 2:52 PM CST.

Compare 2 ways to go from Chicago to Ontario

We recommend taking the bus

Among the sustainable travel choices, the bus stands out as the good way to reach Ontario. The journey takes about 2 days, 4 hours 50 minutes and with fares starting at just $226, it presents an excellent value for a comfortable ride.

14bus per day

2d 4hAverage Duration

1709 milesDistance

69kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$226 - $629	Average Duration2d 4h	CO₂ emissions 69kg CO₂e
Train	Average Price$166 - $2,683	Average Duration2d 20h	CO₂ emissions 251kg CO₂e

Where are the popular stops in Chicago and Ontario?

Stops in Chicago

A
Downtown Greyhound Station
630 W Harrison St, Chicago, IL 60607, USA
Visit page
B
Chicago O'Hare International Airport
Visit page
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

Stops in Ontario

A
Ontario California Bus Stop Carl's Jr & Teriyaki House
1625 E 4th St, Ontario, CA 91764, USA
B
Ontario Tufesa Bus Stop
1739 S Euclid Ave, Ontario, CA 91762, USA

Compare bus companies

Greyhound

3.5/587,458 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

Wifi2.4

Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.

FlixBus

3.5/511,791 reviews

Staff4.1

Timeliness3.9

Cleanliness4.1

Wifi2.7

Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.

US bus companies: FlixBus, BlaBlaCar Bus, Greyhound, ALSA, Intercape, Trenitalia, Big Sky

Frequently asked questions about traveling from Chicago to Ontario, CA 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 Chicago to Ontario?
The cheapest bus tickets from Chicago to Ontario start from $226. The average price for this route is around $351. 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 Chicago to Ontario?
The average bus trip duration from Chicago to Ontario is 2d 4h, covering a distance of 1709 miles (2757 km). The quickest bus can get you there in 1d 23h and is operated by Greyhound.
Which bus companies service the Chicago to Ontario route?
Several major bus companies operate on this route with 14 buses available per day, including services from Greyhound, FlixBus.
What is the earliest and latest departure time for the bus from Chicago to Ontario?
The earliest bus departs from Chicago to Ontario at 12:15am. And the latest bus departs at 11:50pm.
What are the CO₂ emissions for the bus trip from Chicago to Ontario?
A bus trip from Chicago to Ontario 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 Chicago to Ontario?
According to Busbud customers, the highest-rated bus company on this route is Greyhound, with an average rating of 3.5 out of 5 stars based on 87435 reviews.
Which bus company has the best Wi-Fi from Chicago to Ontario?
Based on reviews on Busbud, the bus company FlixBus has the best Wi-Fi rating with a score of 2.7.
Which bus company has the most timely service from Chicago to Ontario?
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 Chicago to Ontario?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is FlixBus, with a cleanliness rating of 4.1 out of 5 stars.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

12/26

$362

12/27

No data

Today

$457

12/29

No data

12/30

$317

12/31

No data

The cheapest trip from Chicago to Ontario, CA was searched and found on Dec 30, 2025 with a price of $317

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Chicago to Ontario, CA, as early as possible.

You can expect to pay from $317 to $508 for a bus ticket from Chicago to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $317 which is on 2025-12-30.