Bus Tickets from Denver to Ontario, CA

Find affordable bus tickets from Denver to Ontario, CA with flexible options. Book your trip now

Join 75M+ travelers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every step.
Cancel anytime and receive a 100% refund, no reason needed.
TodayAug 1
TomorrowAug 2
SunAug 3
MonAug 4
TueAug 5
from $150
WedAug 6
from $106
ThuAug 7
FriAug 8

Cheap buses leaving Tuesday

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: August 5 at
    Departure city: Denver
    Departure location: DENVER
    Arrival time: August 7 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • This trip is recommended because it is: Fastest
    Departure time: August 5 at
    Departure city: Denver
    Departure location: DENVER
    Arrival time: August 6 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: August 5 at
    Departure city: Denver
    Departure location: DENVER
    Arrival time: August 6 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: August 5 at
    Departure city: Denver
    Departure location: Denver Bus Station
    Arrival time: August 6 at
    Destination city: Ontario
    Destination location: Ontario Convention Center
    Operated by: Los LimousinesLos Limousines
    Vehicle: BusDuration:
  • Departure time: August 5 at
    Departure city: Denver
    Departure location: DENVER
    Arrival time: August 7 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Bus Denver to Ontario, CA: Trip Overview

Average ticket price$171
Average bus trip duration1d 4h
Number of daily buses4
Earliest bus departure11:05am
Distance801 miles (1291 km)
Latest bus departure8:10pm

Denver to Ontario Bus

With Busbud, comparing and booking tickets for a bus from Denver to Ontario is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make sure you can find a bus service from Denver to Ontario from the most reliable bus companies operating this trip.

Whether it is cheap bus tickets or more luxurious buses going to Ontario from Denver, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions for your trip Denver - Ontario, CA

Find cheapest prices for buses

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

Best price found
07/30
No data
07/31
$189
Today
No data
08/02
No data
08/03
No data
08/04
No data
08/05
$188
08/06
$188
busbud logoThe cheapest trip from Denver to Ontario, CA was searched and found on Aug 5, 2025 with a price of $188

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

You can expect to pay from $188 to $189 for a bus ticket from Denver to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $188 which is on 2025-08-05.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while traveling from Denver to Ontario.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Denver to Ontario, get comfy and count the stars.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Denver to Ontario.

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

Did you know?

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

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.

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

Will you be returning to Denver by bus?

Bus from Denver to Ontario, CA

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud makes bus travel easy. We help travelers find a bus, plot routes, and book intercity bus tickets all over the world. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.

People from around the world trust Busbud

‌