Journey information
Overview: Ontario, CA to Denver, CO flight
Flights from Ontario, CA to Denver, CO depart on average 102 times per day, taking around 6h 41m. Cheap flight tickets for this journey start at $141 (€115) but you can travel from only $125 (€102) by bus.
There are 20 flights per day. The earliest flight runs at 00:04, the last at 23:55. The fastest flight covers the 800 miles (1289 km) distance in 2h 32m. November is the cheapest month to fly.
Distance 800 miles (1289 km) |
Average flight duration 6h 41m |
Cheapest ticket price $141 (€115) |
Flights per day 102 |
Direct flights 20 |
Fastest flight 2h 32m |
Cheapest month November |
First flight 12:04 AM |
Last flight 11:55 PM |
The cheapest and fastest flights from Ontario, CA to Denver, CO
Cheapest price
$156
Average price
$156
Fastest journey
2 h 32 m
Average duration
2 h 32 m
Flights per day
1
Distance
1289 km
The best way to find a cheap flight 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 $156 if you buy it on the day, but the cheapest tickets can be found for only $156.
Of the 1 flights that leave Ontario, CA for Denver, CO onMon, Apr 06, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Apr 06 the direct flights cover the 1289 km distance in an average of 2 h 32 m but if you time it right, some flights will get you there in just 2 h 32 m .
On Mon, Apr 06 the longest flights will take 2 h 32 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
2:45 PM2h32Ontario, CA5:17 PMDenver, CO$1561One-way0 transfers
2:45 PM2h32Ontario, CA5:17 PMDenver, CO$1561One-way0 transfers
Travel Information
Compare bus, flight, and train for Ontario, CA to Denver, CO
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 $141. For those with little time consider booking a flight which can get you there in 6h 41m. The ticket price range depends on the travel mode: a flight costs an average of $141, and a train costs an average of $485.
Distance: 800 miles (1289 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$175 Average price Cheapest | $1756 Average price | $177 Average price |
9h 41m Average total duration Fastest 6h 41m Onboard + 3h 0m Additional time* | 80h 32m Average total duration 80h 2m Onboard + 30m Additional time* | 24h 38m Average total duration 24h 8m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
Compare prices and tickets Ontario, CA to Denver, CO by bus, flight, or train
Compare bus, flight, and train 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.
Apr 06
Apr 07
Apr 08
Apr 09
Apr 10
Apr 11
Apr 12
FAQs: Ontario, CA to Denver, CO Flight
Find answers to the most common questions about traveling from Ontario, CA to Denver, CO by flight. 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 flight, the cheapest option, or tips for making the most of your visit at Denver, CO, this guide helps you travel smarter and with confidence.

- Denver Arts Festival, a vibrant celebration of local artists and their work featuring exhibitions, live music, and food
- Great American Beer Festival, the largest beer festival in the U.S. showcasing thousands of craft beers from across the country
- Denver Film Festival, an annual event highlighting independent films and filmmakers with screenings, panels, and special events.
- 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.
- Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
- Independence Day, spectacular fireworks and lively celebrations throughout the city
- Labor Day, pleasant weather perfect for enjoying Denver's parks and festivals.
- 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.
popular airports
Popular airports from Ontario, CA to Denver, CO
- Free Wi-Fi available throughout the airport.
- Shops in terminals, including duty-free and local brands.
- Parking available near the terminal, approximately 0.30€ (IDR 5,000) per hour.
- Various options in terminals, including fast food and sit-down restaurants
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels nearby, such as Ontario Airport Hotel & Conference Center.
- Available in terminal 4, approx. $15 per use.
- Several lounges available, including Aspire Lounge.
- Available throughout the airport.
- Car rental services available on-site, including major brands
- Bus line 61, Ontario Airport at terminal Way 2, 38 miles
- Free Wi-Fi available throughout the airport.
- Shops located in Jeppesen terminal and concourses, including Duty-Free and local brands.
- Parking available, approximately 4.7€ ($5) per hour, parkade adjacent to terminal.
- Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Westin Hotel connected to the terminal.
- Showers available at the Westin Hotel, approximately $20.
- Multiple lounges available, including United Club and Delta Sky Club.
- Lost and Found located in Jeppesen terminal, Level 5.
- Car rental services available on airport property, shuttle service to rental car lots.
- A Line train, Denver Airport Station, 37 minutes to Union Station
More options for your journey from Ontario, CA to Denver, CO
Here are some other resources that might have the information you need
