- Must visit
Denver Art Museum
Major art museum known for Indigenous arts, Western American collections, and striking modern architecture. One of Denver’s signature cultural attractions.
Cheapest price
$263
Average price
$263
Fastest journey
23 h 11 m
Average duration
23 h 11 m
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 $263 if you buy it on the day, but the cheapest tickets can be found for only $263.
It's difficult to get from Ontario, CA to Denver, CO without transferring at least 2 times.


Omio recommends booking the flight 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 $117. 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 $117, and a train costs an average of $489.
Distance: 800 miles (1289 km)
| Bus | Most popular Flight | Train | Driving |
|---|---|---|---|
$155 Average price | $155 Average price Cheapest | $489 Average price | $201 Average price (fuel + tolls) |
29h 27m Average total duration 28h 57m Onboard + 30m Additional time* | 9h 25m Average total duration Fastest 6h 25m Onboard + 3h 0m Additional time* | 80h 32m Average total duration 80h 2m Onboard + 30m 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 $0.14 (€0.11) less than a bus for this route with tickets for a bus from Ontario, CA to Denver, CO costing on average $155 (€125).
A flight is $334 (€270) less than a train for this route with tickets for a train from Ontario, CA to Denver, CO costing on average $489 (€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 05:05AM | Arrival Time 02:45PM | Duration 33h40 | Departure days Mon | Cheapest price $132 |
Operator Omnitrans | Departure Time 06:29PM | Arrival Time 05:40PM | Duration 23h11 | Departure days Mon, Tue, Wed, Fri | Cheapest price $263 |
Operator Greyhound | Departure Time 09:35PM | Arrival Time 11:40PM | Duration 26h05 | Departure days Thu, Sat | Cheapest price $160 |
The table below shows live departures for Ontario, CA to Denver, CO buses for tomorrow, Wednesday, May 27. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 6:29 PM Ontario, CA | 23h11 | 5:40 PM Denver, CO | 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 $132 (€106) but you can travel from only $117 (€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 $132 (€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 modern architecture. One of Denver’s signature cultural attractions.
Large science and natural history museum with dinosaurs, space, wildlife, and family-friendly exhibitions. A top choice for broad appeal.
Contemporary art museum featuring rotating exhibitions, experimental works, and a rooftop with city views. Popular with younger visitors and local art fans.
Dramatic red rock landscape, concert venue, hiking area, and one of the region’s most famous scenic destinations.
Creative neighborhood known for murals, galleries, warehouses, and social-media-friendly street art. One of Denver’s trendiest areas.
Lower Downtown combines historic warehouses, nightlife, and easy access to Union Station. A key area for first-time visitors.
Denver’s signature spicy stew or sauce made with roasted green chiles, often served over burritos, fries, eggs, or burgers. It reflects the city’s strong Colorado and Southwestern food culture.
A large flour tortilla filled with eggs, potatoes, cheese, and often bacon or sausage, then covered in green chile. It is a classic Denver breakfast found in diners across the city.
A Colorado frontier specialty made from breaded and fried bull testicles, usually served with dipping sauce. It is one of the region’s most famous novelty dishes.
Respected Larimer Square restaurant offering refined Mediterranean-influenced cuisine in an elegant but approachable setting. A reliable choice for a higher-end Denver dinner.
Established adobe-style restaurant near Denver known for Colorado frontier cuisine, including bison, elk, and other regional specialties in a distinctive Southwestern setting.
Well-known LoHi restaurant with creative New American dishes, strong brunch service, and a stylish atmosphere. Popular for locally sourced ingredients and vegetarian-friendly options.
Moderate by major U.S. city standards. Hotels can be pricey in peak season, but casual dining and transit are manageable.
Tip 18-20% at restaurants; 20%+ for great service. Bars: USD 1-2 per drink. Taxis/rideshares: 10-15%. Hotels: USD 2-5 for housekeeping; USD 1-2 per bag.
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.

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