The cheapest and fastest buses from Ontario, CA to Denver, CO
Cheapest price
$416
Average price
$416
Fastest journey
22 h 57 m
Average duration
23 h 9 m
Buses per day
2
Distance
1289 km
The best way to find a cheap bus ticket from Ontario, CA to Denver, CO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to Denver, CO will cost around $416 if you buy it on the day, but the cheapest tickets can be found for only $416.
It's difficult to get from Ontario, CA to Denver, CO without transferring at least 2 times.




Live departures
Ontario, CA to Denver, CO bus times
The table below shows live departures for Ontario, CA to Denver, CO buses for today, Thursday, November 6. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 6:29 PM Ontario, CA | 23h21 | 5:50 PM Denver, CO | 2 transfers | |
![]() | 6:53 PM Ontario, CA | 22h57 | 5:50 PM Denver, CO | 3 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Ontario, CA to Denver, CO by bus
Compare bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Journey information
Overview: Bus from Ontario, CA to Denver, CO
Buses from Ontario, CA to Denver, CO run on average 3 times per day, taking around 23h 6m. Cheap bus tickets for this journey start at $418 (€341) if you book in advance.
The earliest bus runs at 01:30, the last at 22:54. The fastest bus covers the 800 miles (1289 km) distance in 22h 37m.
Distance 800 miles (1289 km) |
Average bus duration 23h 6m |
Cheapest ticket price $418 (€341) |
Buses per day 3 |
Fastest bus 22h 37m |
First bus 01:30 |
Last bus 22:54 |
Bus providers: Omnitrans from Ontario, CA to Denver, COYou can travel by bus between Ontario, CA to Denver, CO with Omnitrans for as low as $418 (€341). When you search for schedules and tickets, Omio will show you the best journey
Omnitrans
FAQs: Bus from Ontario, CA to Denver, CO
Find answers to the most common questions about traveling from Ontario, CA to Denver, CO by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Denver, CO, this guide helps you travel smarter and with confidence.

- Red Rocks Amphitheatre, a renowned open-air concert venue set amidst stunning natural rock formations
- Denver Art Museum, featuring an extensive collection of Native American art and contemporary works
- Denver Botanic Gardens, offering diverse plant displays and themed gardens
- Union Station, a historic transportation hub with shops, dining, and events
- Denver Museum of Nature & Science, showcasing exhibits on natural history, space, and anthropology.
- Coors Field, home to the Colorado Rockies, offering baseball games and tours in a scenic downtown setting
- Larimer Square, a vibrant historic district with shopping, dining, and nightlife
- City Park, a large urban park with trails, lakes, and views of downtown Denver and the mountains
- Denver Zoo, featuring a wide variety of animals and interactive exhibits
- Cherry Creek Shopping Center, a premier retail destination with luxury brands and dining options.
To find the cheapest bus tickets for your trip from Ontario, CA to Denver, CO, follow these tips:
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Popular bus stations from Ontario, CA to Denver, CO
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