Bus from Chicago to Ontario, CA: Tickets & Schedules

Next bus departures

Next departures for Chicago to Ontario on January 16
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBus + Greyhound Lines, Inc.
Bus
Chicago 95Th & Dan Ryan
Montclair (Ontario)Cheapest
FlixBus + Greyhound Lines, Inc.
Bus
Chicago 95Th & Dan Ryan
Montclair / Ontario / ClaremontFastest
FlixBus + Greyhound Lines, Inc.
Bus
Downtown Greyhound Station
Montclair (Ontario)No tags
Greyhound Lines, Inc.Bus
Downtown Greyhound Station
Montclair / Ontario / ClaremontNo tags
Greyhound Lines, Inc. + FlixBus
Bus
Downtown Greyhound Station
Montclair (Ontario)No tags

Last refresh of the prices: Last Tuesday at 8:03 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 a good way to reach Ontario. The journey takes about 2 days, 4 hours 50 minutes, and with fares starting at just $323, it presents an excellent value for a comfortable ride.

13bus per day
2d 4hAverage Duration
2756 kmDistance
69kgCO₂ emissions
Average Price$323 - $866Average Duration2d 4h
69kg CO₂e
Average Price$237 - $3,822Average Duration2d 20h
251kg CO₂e

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.

  1. How much is the bus ticket from Chicago to Ontario?

    The cheapest bus tickets from Chicago to Ontario start from $323. The average price for this route is around $548. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

  2. 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 2h and is operated by Greyhound.

  3. Which bus companies service the Chicago to Ontario route?

    Several major bus companies operate on this route with 13 buses available per day.

  4. What are the earliest and latest departure times for the bus from Chicago to Ontario?

    The earliest bus departs from Chicago to Ontario at 10:00am. And the latest bus departs at 11:50pm.

  5. 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.

Find cheapest prices for buses

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

Best price found
01-13
$363
01-14
No data
Today
No data
01-16
$329
01-17
No data
01-18
$311
01-19
No data
01-20
No data
busbud logoThe cheapest trip from Chicago to Ontario, CA was searched and found on Jan 18, 2026 with a price of $311

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 $311 to $619 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 $311 which is on 2026-01-18.

What's the cheapest way to go from Chicago to Ontario, CA?

busbud logoThe Bus is the cheapest travel choice for this destination

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