Ontario, CA ONT to Denver, CO DEN Flights

Sun, Mar 22
+ Add return
Ryanair
KM Malta Airlines
easyJet
Vueling Airlines
Iberia
2,000+ travel companies
Ryanair
KM Malta Airlines
easyJet
Vueling Airlines
Iberia
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

Journey information

Overview: Ontario, CA to Denver, CO flight

USAUSA
USAUSA
Icon of 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 $142 (€115) but you can travel from only $126 (€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.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $126 (€102)
Distance
800 miles (1289 km)
Average flight duration
6h 41m
Cheapest ticket price
$142 (€115)
Flights per day
102
Direct flights
20
Fastest flight
2h 32m
Cheapest month
November
First flight
00:04
Last flight
23:55
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $126 (€102)

The cheapest and fastest flights from Ontario, CA to Denver, CO

Showing times and prices for Mar 23

Cheapest price

$157

Average price

$157

Fastest journey

2 h 32 m

Average duration

2 h 32 m

Flights per day

1

Distance

1289 km

Cheap tickets

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 $157 if you buy it on the day, but the cheapest tickets can be found for only $157.

Fast flights

Of the 1 flights that leave Ontario, CA for Denver, CO onMon, Mar 23, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Mon, Mar 23 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, Mar 23 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.

United
02:45PM2h32
Ontario, CA
05:17PMDenver, CO
$1571One-way
0 transfers

Travel Information

Compare bus, flight, and train for Ontario, CA to Denver, CO

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 $142. 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 $142, and a train costs an average of $487.

Distance: 800 miles (1289 km)

Compare flight with

Most popular
Flight
Train
Bus

$176

Average price

Cheapest

$1766

Average price

$178

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

Live departures

Ontario, CA to Denver, CO flight times

The table below shows live departures for Ontario, CA to Denver, CO flights for tomorrow, Sunday, March 22. You can also manually refresh the results below to see updated flight journeys.

Last updated at 8:07 PM
ProviderDepartsDurationArrivesTransfers
Tickets
united2:45 PM Ontario, CA
2h32
5:17 PM Denver, CO0 transfersDirect

This is the last flight of the day.

Find all the dates and times for this journey

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.

Mon
Mar 23
Tue
Mar 24
Wed
Mar 25
Thu
Mar 26
Fri
Mar 27
Sat
Mar 28
Sun
Mar 29

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.

FAQs
Cheap plane tickets from Ontario, CA to Denver, CO can start from as little as $142 (€115) when you book in advance. The average flight ticket price for Ontario, CA to Denver, CO is $176 (€143) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Ontario, CA to Denver, CO is 2h 32m to travel the 800 miles (1289 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Ontario, CA to Denver, CO leaves at 12:04 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Ontario, CA to Denver, CO leaves at 11:55 PM.
Flights from Ontario, CA to Denver, CO generally leave from Burbank and arrive in Denver International Airport.Burbank is 1 miles (3 km) away from Ontario, CA city centre and Denver International Airport is 11 miles (18 km) from Denver, CO city centre.
The cheapest month for a flight from Ontario, CA to Denver, CO is November.
It's helpful to compare your options as there are 3 ways to travel between Ontario, CA and Denver, CO including taking a bus, flight, and train.
Since neither Ontario, CA nor Denver, CO are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Ontario, CA and Denver, CO all year round.
The best events to attend in Denver, CO include:
  • 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.
The best holidays to experience in Denver, CO include:
  • 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.
The best season to visit Denver, CO is Spring or Fall. The best weather to explore Denver, CO is during May-September.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

popular airports

Popular airports from Ontario, CA to Denver, CO

Ontario
Denver
The major airport for departures in Ontario is Ontario International Airport. Find all the information you need to know about services, amenities and connections at Ontario International Airport for your trip from Ontario to Denver.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
4 km
carConnection
Car connection
I-10, Exit 55
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops in terminals, including duty-free and local brands.
Parking
Parking
  • Parking available near the terminal, approximately 0.30€ (IDR 5,000) per hour.
Dining
Dining
  • Various options in terminals, including fast food and sit-down restaurants
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Hotels nearby, such as Ontario Airport Hotel & Conference Center.
Shower
Shower
  • Available in terminal 4, approx. $15 per use.
Lounge
Lounge
  • Several lounges available, including Aspire Lounge.
Lost and Found Office
Lost and Found Office
  • Available throughout the airport.
Car Rental
Car Rental
  • Car rental services available on-site, including major brands
Public transit options for Ontario International Airport
  • Bus line 61, Ontario Airport at terminal Way 2, 38 miles

More options for your journey from Ontario, CA to Denver, CO

Here are some other resources that might have the information you need

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone