- Must visit
Denver Art Museum
Major art museum known for Indigenous arts, Western American collections, and striking architecture in the Golden Triangle district.
Cheapest price
$159
Average price
$178
Fastest journey
21 h 45 m
Average duration
1 d 1 h 13 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 $178 if you buy it on the day, but the cheapest tickets can be found for only $159.
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 $115. For those with little time consider booking a flight which can get you there in 6h 25m. The ticket price range depends on the travel mode: a flight costs an average of $115, and a train costs an average of $480.
Distance: 800 miles (1289 km)
| Bus | Most popular Train | Flight | Driving |
|---|---|---|---|
$153 Average price | $480 Average price | $152 Average price Cheapest | $198 Average price (fuel + tolls) |
29h 27m Average total duration 28h 57m Onboard + 30m Additional time* | 80h 32m Average total duration 80h 2m Onboard + 30m Additional time* | 9h 25m Average total duration Fastest 6h 25m 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 $0.13 (€0.11) less than a bus for this route with tickets for a bus from Ontario, CA to Denver, CO costing on average $153 (€125).
A flight is $328 (€270) less than a train for this route with tickets for a train from Ontario, CA to Denver, CO costing on average $480 (€395).
Other travel options to Denver, CO take longer:
Bus takes on average 28h 57m.
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 01:35AM | Arrival Time 07:15AM | Duration 28h40 | Departure days Mon, Tue, Thu, Fri, Sat, Sun | Cheapest price $135 |
Operator Greyhound | Departure Time 06:55PM | Arrival Time 05:40PM | Duration 21h45 | Departure days Everyday | Cheapest price $123 |
The table below shows live departures for Ontario, CA to Denver, CO buses for today, Saturday, July 11. 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 | 21h45 | 5:40 PM Denver, Union Station | 1 transfer | |
| Sunday, July 12 | |||||
· · | 1:35 AM Montclair, Richton Street (Montclair Transcenter Paking), CA | 28h40 | 7:15 AM Denver, Union Station | 2 transfers | |
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 3 times per day, taking around 28h 57m. Cheap bus tickets for this journey start at $129 (€106) but you can travel from only $115 (€95) 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 26h 5m.
Distance 800 miles (1289 km) |
Average bus duration 28h 57m |
Cheapest ticket price $129 (€106) |
Buses per day 3 |
Fastest bus 26h 5m |
First bus 1:30 AM |
Last bus 10:54 PM |
Cheapest Month Apr |
Cheapest Day Mon |
High Season Jan - Mar |
Low Season Jul - Sep |
Discover the best of Denver — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Denver trip today.
Major art museum known for Indigenous arts, Western American collections, and striking architecture in the Golden Triangle district.
Large natural history and science museum with dinosaur fossils, space exhibits, and an IMAX and planetarium.
Exceptional single-artist museum holding the largest collection of Clyfford Still’s work, ideal for modern art fans.
Denver’s most famous historic block, known for preserved buildings, lights overhead, and lively downtown atmosphere.
Central pedestrian-friendly corridor in downtown Denver for walking, people-watching, and accessing major sights.
Highly popular creative neighborhood known for murals, warehouses, and a strong social media presence.
Denver’s signature spicy chile stew or sauce, usually made with roasted green chiles and pork, and served over burritos, fries, or eggs. It is a defining Front Range comfort food.
A classic omelet associated with Denver, typically filled with ham, bell peppers, onions, and cheese. It is one of the city’s best-known breakfast dishes.
Lean, flavorful bison is a Rocky Mountain staple often served as a burger in Denver. It reflects Colorado’s ranching heritage and regional game culture.
Modern upscale steakhouse with polished service, excellent beef, and a lively downtown atmosphere. Ideal for a refined Denver dinner.
Established Southwestern and frontier-style restaurant just outside central Denver, known for bison, elk, and Colorado-inspired cuisine in a distinctive adobe setting.
Historic Denver steakhouse famous for Old West atmosphere, game meats, and Rocky Mountain specialties. A classic choice for trying iconic regional dishes.
Moderate by U.S. standards. Lodging can be pricey downtown, but casual dining and coffee are fairly typical.
Tip 18-20% in restaurants; 20%+ for great service. Tip bartenders USD 1-2 per drink, taxis 10-15%, hotel staff a few dollars, and round up for cafes.
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