Bus from Ontario, CA to Chicago: Tickets & Timetables

Next departures

Next departures from Ontario to Chicago on 27 January
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc. + FlixBus
Montclair / Ontario / Claremont
Chicago 95Th & Dan RyanCheapest
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
Downtown Greyhound StationNo tags

Last refresh of the prices: Today at 06:52 PST.

Compare 2 ways to travel from Ontario to Chicago

We recommend taking the bus

Among the sustainable travel choices, the Bus stands out as a good way to reach Chicago. The journey takes about 2 days, 2 hours 15 minutes and with fares starting at just €117, it presents an excellent value for a comfortable ride.

9bus per day
2d 2hAverage duration
2756 kmDistance
69kgCO₂ emissions
Average price€117 - €686Average duration2d 2h
69kg CO₂e
Average price€143 - €1,259Average duration2d 19h
251kg CO₂e

Frequently asked questions about travelling by bus from Ontario, CA to Chicago

Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.

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

    The cheapest coach tickets from Ontario to Chicago start from €117. The average price for this route is around €237. 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 journey from Ontario to Chicago?

    The average bus journey time from Ontario to Chicago is 2d 2h, covering a distance of 2756 km. The fastest bus can take you there in 1d 19h and is operated by Greyhound.

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

    Several major bus companies operate on this route with 9 buses available per day, including services from Greyhound, Amtrak, FlixBus.

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

    The earliest bus departs from Ontario to Chicago at 01:30. And the latest bus departs at 21:05.

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

    A bus journey from Ontario to Chicago produces an estimated 69 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.

  6. Which 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 5733 reviews.

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

    Based on Busbud reviews, the bus company Amtrak has the best Wi-Fi rating with a score of 3.6.

  8. Which bus company offers the most punctual service from Ontario to Chicago?

    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.

  9. 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.

Best price found
24/01
€380
25/01
No data
Today
No data
27/01
€332
28/01
No data
29/01
No data
30/01
No data
31/01
€246
busbud logoThe cheapest trip from Ontario, CA to Chicago was searched and found on 31 Jan 2026 with a price of €246

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 €246 to €1,254 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 €246, which is on 2026-01-31.

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