Bus Tickets from Ontario, CA to Chicago

Next departures

Next departures for Ontario to Chicago on September 30
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBus + Greyhound Lines, Inc.
Montclair (Ontario)
Downtown Greyhound StationCheapest
Greyhound Lines, Inc.
Montclair / Ontario / Claremont
Downtown Greyhound StationFastest
Amtrak
Ontario Station
Chicago (Union Station), ILNo tags
FlixBus + Greyhound Lines, Inc.
Montclair (Ontario)
Downtown Greyhound StationNo tags
Greyhound Lines, Inc.
Montclair / Ontario / Claremont
537-517 W. Jackson BlvdNo tags

Last refresh of the prices: Yesterday at 5:12 PM PDT.

Accepted payments

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Compare 2 ways to go from Ontario to Chicago.

Bus
Average Price$138 - $363Average Duration2d 6h
69kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Train
Average Price$166 - $348Average Duration2d 19h
251kg CO₂e1 out of 5 stars
busbud logoBusbud recommends taking the bus 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, 6 hours 15 minutes and with fares starting at just $138, it presents an excellent value for a comfortable ride.

12bus per day
2d 6hAverage Duration
$138Cheapest ticket
69kgCO₂ emissions

Bus Ontario, CA to Chicago: Trip Overview

Average ticket price$235
Average bus trip duration2d 6h
Number of daily buses12
Earliest bus departure1:30am
Distance1709 miles (2755 km)
Latest bus departure9:05pm

Ontario to Chicago Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Ontario to Chicago.

Bus service from Ontario to Chicago will be provided by the most trusted bus companies.

Discover how much the bus trip from Ontario to Chicago will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions for your trip Ontario, CA - Chicago

Find cheapest prices for buses

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

Best price found
09/27
$165
09/28
No data
Today
No data
09/30
$225
10/01
No data
10/02
No data
10/03
No data
10/04
No data
busbud logoThe cheapest trip from Ontario, CA to Chicago was searched and found on Sep 27, 2025 with a price of $165

To 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 $165 to $2,592 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 $225 which is on 2025-09-30.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Ontario to Chicago but it'll also be endearing to native speakers who will surely appreciate your effort.

Much more than a mere vehicle taking you from Ontario to Chicago, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from Ontario to Chicago will emit less CO2 than a car or an airplane.

Make a music playlist for your bus ride from Ontario to Chicago, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

9.2% of ground transportation in Europe is done by bus versus 7.4% by train.

The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

Will you be returning to Ontario, CA by bus?

Bus from Chicago to Ontario, CA

You can also go to Chicago by train

Train from Ontario, CA to Chicago

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud helps you easily search, compare and book intercity bus tickets on a worldwide scale with our comprehensive list of bus routes and schedules. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

People from around the world trust Busbud

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