ONT to DEN (Ontario to Denver) Flights

Last Minute Flights from ONT to DEN

Best airfare and ticket deals for ONT to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ONTDenverApril 27 to May 4$199
*Prices include taxes and fees

Cheapest ONT to DEN Flights

Best airfare and ticket deals for ONT to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ONTDenverMay 14 to May 21$68
ONTDenverMay 29 to June 4$139
ONTDenverSeptember 10 to September 17$198
ONTDenverMay 29 to June 1$216
*Prices include taxes and fees
ONT to DEN Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Distance
816 mi

Frequently asked questions

Which airlines with flights from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver Airport allow free cancellation due to COVID-19?
We’ve made it simple to find fares with cancellation flexibility in response to COVID-19. After you’ve entered your preferred dates, just click on “No change fee.” It’s under the “Flexible change policies” heading on the left. As always, don’t forget to read through the airline’s terms and conditions carefully before you book your seats from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver Airport.
What airlines fly direct from ONT to DEN?
Take a nonstop flight from ONT to DEN with Southwest Airlines (WN). It offers 86 of these popular flights each month. You can also go to DEN with United Airlines (UA). With 60 nonstop monthly services to take your pick of, you can get your vacation underway faster.
How many flights are there from ONT to DEN?
Around 6 a day. If you’re in a rush to travel to Denver, see if you can score a fabulous last-minute deal from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver, CO Airport (DEN-Denver Intl.) and then reserve it right away!
How long does it take to fly from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver, CO Airport (DEN-Denver Intl.)?
The flight length from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver, CO Airport (DEN-Denver Intl.) is around 2 hours and 16 minutes. The in-flight entertainment system isn’t always available on short journeys like this, so bring a book or download some new tunes on your smartphone.
What is the flight distance from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Denver, CO Airport (DEN-Denver Intl.)?
With a distance of just 820 miles (1300 km), the short-haul journey between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Denver, CO Airport (DEN-Denver Intl.) is a real breeze. Spend your journey daydreaming about what you’ll discover once you arrive in Denver.
How many morning flights are there from ONT to DEN?
There are 16 morning services from ONT to DEN every week. Frontier Airlines (F9) has around 3 flights every week that jet off before midday. The earliest departs at 8:55AM.
How many afternoon flights are there from ONT to DEN?
Every week, there are 20 afternoon and evening flights from ONT to DEN. If you’d prefer to travel with Southwest Airlines (WN), it offers 7 weekly flights that depart after midday. The first one leaves the ground at 8:50PM.
What is the earliest departure time out of Los Angeles to Denver?
12:39AM is the first flight from ONT, arriving at DEN at 3:06AM. Save time in the morning by having your suitcase zipped up and ready to be bundled into your ride.
What is the latest departure time out of Los Angeles to Denver?
The latest flight takes off from ONT at 8:56PM and comes in at 11:15PM at DEN. You’ll have more than enough time to prepare for this journey.
What is the average price from Los Angeles to Denver?
Round-trip tickets from ONT to DEN begin from around $68. Great fares don’t last forever, so get set to click “book” when you find the right price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to Denver Flight Schedule

CarrierFlightDepart ONTArrive DENThu
4/25		Fri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Wed
5/1		Stops
F9126200:59 am04:23 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA273005:15 am08:34 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA263806:00 am04:29 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
2 Stops
F9150007:16 am10:36 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA268201:36 pm04:56 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Ontario to Denver Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to Denver to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from ONT to DEN, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Ontario to Denver, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.