- Must visit
Denver Art Museum
One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.
Cheapest price
$107
Average price
$107
Fastest journey
22 h
Average duration
22 h
Buses per day
1
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 $107 if you buy it on the day, but the cheapest tickets can be found for only $107.
It's difficult to get from Ontario, CA to Denver, CO without transferring at least once.
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· Omio recommends booking the train as it is the most popular option from Ontario, CA to Denver, CO among Omio's users. If you are prioritising price take the flight with prices starting from $76. For those with little time consider booking a flight which can get you there in 5h 0m. The ticket price range depends on the travel mode: a flight costs an average of $76, and a train costs an average of $382.
Distance: 800 miles (1289 km)
| Bus | Most popular Train | Flight | Driving |
|---|---|---|---|
$121 Average price | $637 Average price | $93 Average price Cheapest | $204 Average price (fuel + tolls) |
24h 54m Average total duration 24h 24m Onboard + 30m Additional time* | 80h 32m Average total duration 80h 2m Onboard + 30m Additional time* | 8h 0m Average total duration Fastest 5h 0m Onboard + 3h 0m Additional time* | 14h 21m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Ontario, CA to Denver, CO:
A flight is $27 less than a bus for this route with tickets for a bus from Ontario, CA to Denver, CO costing on average $121.
A flight is $544 less than a train for this route with tickets for a train from Ontario, CA to Denver, CO costing on average $637.
Other travel options to Denver, CO take longer:
Bus takes on average 24h 24m.
Train takes on average 80h 2m.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 01:30AM | Arrival Time 07:15AM | Duration 28h45 | Departure days Mon, Tue, Thu, Fri, Sat, Sun | Cheapest price $110 |
Operator Greyhound | Departure Time 06:55PM | Arrival Time 05:55PM | Duration 22h00 | Departure days Everyday | Cheapest price $107 |
The table below shows live departures for Ontario, CA to Denver, CO buses for today, Tuesday, August 25. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
· | 6:55 PM Montclair, Richton Street (Montclair Transcenter Paking), CA | 22h00 | 5:55 PM Denver, Union Station | 1 transfer | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, and flight 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.
Buses from Ontario, CA to Denver, CO run on average 2 times per day, taking around 24h 24m. Cheap bus tickets for this journey start at $79 but you can travel from only $76 by flight.
The earliest bus runs at 01:30, the last at 22:54. The fastest bus covers the 800 miles (1289 km) distance in 21h 45m.
Distance 800 miles (1289 km) |
Average bus duration 24h 24m |
Cheapest ticket price $79 |
Buses per day 2 |
Fastest bus 21h 45m |
First bus 1:30 AM |
Last bus 10:54 PM |
Cheapest Month Jul |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Oct - Dec |
Discover the best of Denver, CO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Denver, CO trip today.
One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.
A major natural history museum with dinosaur fossils, space exhibits, wildlife dioramas, and rooftop city views.
This museum explores Colorado and Western heritage through Native history, artifacts, and regional storytelling.
Denver's landmark downtown park and civic heart, framed by museums, government buildings, festivals, and open lawns.
A scenic urban lake and park with skyline and mountain views, trails, boating, and one of Denver's best sunsets.
A lively pedestrian mall lined with shops, public art, and free shuttle service through the center of downtown Denver.
Denver omelet with ham, bell peppers, onions, and cheese. It is strongly associated with the city and remains a classic local breakfast order.
Green chile is a beloved Front Range staple, served as a pork-rich stew or smothered over burritos, fries, and breakfast plates across Denver.
A juicy burger topped with roasted green chiles and cheese. It reflects Colorado's chile-loving comfort food culture and is common in Denver pubs.
Acclaimed fine dining restaurant focused on wood-fired New American cuisine, seasonal Colorado ingredients, and polished service in an elegant room.
Popular modern Mexican spot celebrated for green chile, tacos, and strong margaritas. Casual atmosphere with a long local following.
Beloved neighborhood eatery serving creative breakfasts and brunch. A reliable place to try a Denver omelet in a relaxed, local setting.
Moderate for a major US city: hotels and dining are mid-to-high, while transit is reasonable. Costs are usually lower than New York or San Francisco.
Tip 18-20% at restaurants, $1-$2 per drink at bars, and 10-15% for taxis. Cafes often have tip screens; rounding up or $1 is common.
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.

Most Ontario, CA to Denver, CO buses use the Montclair, Richton Street (Montclair Transcenter Paking) to Denver, Union Station station pair. Use this guide to compare Ontario, CA and Denver, CO bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Here are some other resources that might have the information you need