How much is the bus ticket from Chicago to Ontario?

The cheapest bus tickets from Chicago to Ontario start from $237. The average price for this route is around $391. 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 travel time from Chicago to Ontario is 2d 4h, covering a distance of 2756 km. The quickest bus can get you there in 2d and is operated by Greyhound .

Which bus companies service the Chicago to Ontario route?

Several major bus companies operate on this route with 12 buses available per day, including services from Greyhound , FlixBus .

What are the earliest and latest departure times 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 a mode of travel recommended 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 87387 reviews.

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

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

Which bus company has the best on-time performance from Chicago to Ontario?

According to Busbud traveller reviews, the most punctual 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 $248 | Refundable Tickets

Previously seen trips

Next departures for Chicago to Ontario on November 28
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
FlixBus + Greyhound	Bus	10:30pm	Chicago 95Th & Dan Ryan	2d 5h	1:30am	Montclair / Ontario / Claremont	No tags
Greyhound + FlixBus	Bus	6:00am	Downtown Greyhound Station	2d 7h	11:30am	Montclair (Ontario)	No tags
FlixBus + Greyhound	Bus	6:00am	Downtown Greyhound Station	2d 7h	11:30am	Montclair (Ontario)	No tags
Greyhound + FlixBus	Bus	8:15am	Downtown Greyhound Station	2d 5h	11:30am	Montclair (Ontario)	No tags
Greyhound + FlixBus	Bus	8:15am	Downtown Greyhound Station	2d 5h	11:30am	Montclair (Ontario)	No tags

Compare 2 ways to go from Chicago to Ontario

We recommend taking the bus

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.

12bus per day

2d 4hAverage Duration

2756 kmDistance

69kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$237 - $813	Average Duration2d 4h	CO₂ emissions 69kg CO₂e
Train	Average Price$239 - $5,520	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

3.5/587,403 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

Wifi2.4

FlixBus

3.5/511,465 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

Wifi2.7

US Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling 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 $237. The average price for this route is around $391. 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 travel time from Chicago to Ontario is 2d 4h, covering a distance of 2756 km. The quickest bus can get you there in 2d and is operated by Greyhound.
Which bus companies service the Chicago to Ontario route?
Several major bus companies operate on this route with 12 buses available per day, including services from Greyhound, FlixBus.
What are the earliest and latest departure times 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 a mode of travel recommended 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 87387 reviews.
Which bus company has the best Wi-Fi from Chicago to Ontario?
Based on Busbud reviews, the bus company FlixBus has the highest Wi-Fi rating with a score of 2.7.
Which bus company has the best on-time performance from Chicago to Ontario?
According to Busbud traveller reviews, the most punctual 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

11-25

$604

11-26

No data

Today

No data

11-28

$594

11-29

No data

11-30

$382

12-01

No data

12-02

$313

The cheapest trip from Chicago to Ontario, CA was searched and found on Dec 2, 2025 with a price of $313

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 $313 to $743 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 $313 which is on 2025-12-02.