Flying from Ontario International Airport (ONT) to Denver International Airport (DEN): what you need to know
Jump on a direct flight from Ontario International Airport to Denver International Airport and you'll be travelling for an average of 2 hours 20 minutes.
Denver is one hour ahead of Ontario and is in the UTC-6 timezone.
Take your pick of 54 weekly Ontario International Airport to Denver International Airport flights. The 00:39 departure with Frontier Airlines is the earliest available. Frontier Airlines operates the last service of the day at 22:23.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your ONT to DEN flight.
During popular months such as August, it's best to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.
A range of airlines operate direct flights from Ontario International Airport to Denver International Airport, so jetting to Denver (and then discovering more of United States!) is easy. Top carriers that fly nonstop include:
The airline with the highest passenger demand on this route is Frontier Airlines.
United Airlines tops the rankings as the most punctual carrier for ONT to DEN flights, with 89.84% of services landing as scheduled.
If you'd like to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Ontario International Airport to Denver International Airport. These are the top stopovers between ONT and DEN:
Phoenix Sky Harbour International Airport
Harry Reid Airport (formerly McCarran Airport)
Salt Lake City International Airport
How to find the cheapest flights from Ontario International Airport (ONT) to Denver International Airport (DEN)
The lowest price we've seen for a one-way Ontario International Airport to Denver International Airport flight is R 1,058. A return fare is currently R 2,120. Depending on the availability and when you book, these fares can change.
To pick up cheap tickets from ONT to DEN, book your journey six months before your departure.
Organise your trip for May. That's the cheapest month for flights from Ontario International Airport to Denver International Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the lowest airfare across each month.
Finding cheap flights from ONT to DEN couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a lower fare pops up.
Secure the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Ontario International Airport to Denver International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.
Handy information about Ontario International Airport (ONT)
ONT's address is 2900 E. Airport Drive.
83.6% of flights departing from Ontario International Airport reach their destination on schedule. With its dependable on-time performance, you're unlikely to face delays when setting off from ONT.
To reach Ontario International Airport from central Ontario, it takes about 10 minutes if you're travelling by car. This depends on traffic though. It's approximately 6 kilometres from the airport to the city centre.
Expect a journey time of around 1 hour 30 minutes on public transport.
Get your holiday off to a relaxed start by staying near ONT. Whether you've booked an early flight from Ontario International Airport to Denver International Airport or just don't want to be rushed, these stays are the answer:
Arriving at Denver International Airport (DEN)
Get off your Ontario International Airport to Denver International Airport flight and be in your hotel bed shortly after. If you're looking for a comfy option that's not too far from DEN, unpack your bags at Baymont by Wyndham Denver International Airport.
Get on the fast track to adventure by picking up a Denver International Airport rental car. Grab a set of wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's usual tourist stops.
Reserving your vehicle from Denver International Airport around one week in advance boosts your odds of scoring a great price.
Getting from Denver International Airport (DEN) to central Denver
You'll find DEN at 8500 Pena Boulevard.
From Denver International Airport, Denver is approximately 40 kilometres away. It takes around 35 minutes to reach the centre driving.
When travelling on public transport, expect a journey time of roughly 1 hour 30 minutes.
When to fly to Denver International Airport (DEN)
The quietest month for a flight from Ontario International Airport to Denver International Airport is April, while July is the most popular. Pick the best time to go to Denver based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Before locking in your flight from Ontario International Airport to Denver International Airport, consider the kind of weather you like. July is the warmest month in Denver, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).
For cooler conditions, look for a cheap ticket from ONT to DEN in January. Average temperatures are between -9ºC (16ºF) and 7ºC (45ºF) then.
Explore more of United States
Denver has plenty to offer, but there are so many other parts of United States waiting to be explored. Around 105 kilometres south of Denver, a trip to Colorado Springs will keep your itinerary busy. Check out popular attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).
Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Experience the best of this destination with a visit to Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.
