Denver Airport (DEN) Flights to Ontario Airport (ONT)

We've found the cheapest flights to Ontario

Returns from £40.94

One-way from £18.89

You have a selection of 5 airlines when departing Denver International to Ontario International. The journey time flying from Denver International to Ontario International United States is around 2 Hours 22 Minutes. With the distance covered being 1,316 Km (818 Miles). The airport code for Denver International is DEN and for Ontario International it is ONT.

Ticket prices are normally at a premium at weekends and can vary also with the time of day. Ontario International United States flights may be normally booked months in advance and this may be the best option if you intend to get the best prices from Denver International. Flights to Ontario International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Ontario International is 8.0 GMT compared to 7.0 GMT at Denver International so bare this in mind is you need to make travel arrangements when you arrive at Ontario International.

The table below displays the numbers of daily flights from Denver International (DEN) to Ontario International (ONT) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Southwest Airlines444442408:4022:55VIEW FLIGHTS
Volaris222222205:0123:59VIEW FLIGHTS
United Airlines222222211:1520:53VIEW FLIGHTS
Frontier222222205:0123:59VIEW FLIGHTS
Air Canada222222211:1520:53VIEW FLIGHTS

Southwest Airlines offer the most direct flights from Denver International to Ontario International with an average of 26 flights a week. The earliest flights are operated at 08:40 and the latest flights operated at 22:55 and the most common flight numbers are WN235, WN2542, WN3590 and WN5906

Contact Southwest Airlines at www.southwest.com/?ref=southwestairlines.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
06:26
AirlineFlightNo
VolarisY42783
FrontierF91261
10:35
AirlineFlightNo
Southwest AirlinesWN2542
12:20
AirlineFlightNo
Southwest AirlinesWN5906
12:40
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
19:30
AirlineFlightNo
Air CanadaAC3499
20:00
AirlineFlightNo
Southwest AirlinesWN3590
20:53
AirlineFlightNo
United AirlinesUA1574
21:40
AirlineFlightNo
Southwest AirlinesWN5967
23:59
AirlineFlightNo
VolarisY42830
FrontierF91499
VIEW FLIGHTS
Tuesday
06:26
AirlineFlightNo
VolarisY42783
FrontierF91261
08:40
AirlineFlightNo
Southwest AirlinesWN2542
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
13:30
AirlineFlightNo
Southwest AirlinesWN235
18:05
AirlineFlightNo
Southwest AirlinesWN3590
20:53
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:35
AirlineFlightNo
Southwest AirlinesWN5967
22:35
AirlineFlightNo
FrontierF91499
23:59
AirlineFlightNo
VolarisY42830
VIEW FLIGHTS
Wednesday
05:01
AirlineFlightNo
VolarisY42783
FrontierF91261
10:00
AirlineFlightNo
Southwest AirlinesWN2542
11:15
AirlineFlightNo
United AirlinesUA430
12:40
AirlineFlightNo
Air CanadaAC3478
13:30
AirlineFlightNo
Southwest AirlinesWN235
19:30
AirlineFlightNo
Southwest AirlinesWN3590
20:53
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
22:55
AirlineFlightNo
Southwest AirlinesWN5967
23:59
AirlineFlightNo
VolarisY42530
FrontierF94567
VIEW FLIGHTS
Thursday
09:15
AirlineFlightNo
Southwest AirlinesWN2542
12:25
AirlineFlightNo
VolarisY42783
FrontierF91261
12:40
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
13:40
AirlineFlightNo
Southwest AirlinesWN5906
18:40
AirlineFlightNo
Southwest AirlinesWN3590
19:30
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:40
AirlineFlightNo
Southwest AirlinesWN5967
22:37
AirlineFlightNo
VolarisY42830
FrontierF91499
VIEW FLIGHTS
Friday
10:35
AirlineFlightNo
Southwest AirlinesWN2542
12:20
AirlineFlightNo
Southwest AirlinesWN5906
12:40
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
18:28
AirlineFlightNo
VolarisY42628
18:40
AirlineFlightNo
Southwest AirlinesWN3590
19:30
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
19:56
AirlineFlightNo
FrontierF92907
21:40
AirlineFlightNo
Southwest AirlinesWN5967
22:37
AirlineFlightNo
VolarisY42830
23:59
AirlineFlightNo
FrontierF91499
VIEW FLIGHTS
Saturday
06:10
AirlineFlightNo
VolarisY42783
FrontierF91261
10:05
AirlineFlightNo
Southwest AirlinesWN2542
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
19:30
AirlineFlightNo
United AirlinesUA1574
20:53
AirlineFlightNo
Air CanadaAC3499
20:55
AirlineFlightNo
Southwest AirlinesWN3590
22:37
AirlineFlightNo
VolarisY42830
23:59
AirlineFlightNo
FrontierF91499
VIEW FLIGHTS
Sunday
09:10
AirlineFlightNo
Southwest AirlinesWN2542
12:40
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3478
12:45
AirlineFlightNo
Southwest AirlinesWN820
13:04
AirlineFlightNo
VolarisY42783
FrontierF91261
20:05
AirlineFlightNo
Southwest AirlinesWN3590
20:53
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
22:50
AirlineFlightNo
Southwest AirlinesWN5967
23:59
AirlineFlightNo
VolarisY42830
FrontierF91499
VIEW FLIGHTS

Instead of flying directly from Denver International and arrive at Ontario International, you may arrive Ontario International by another airport. Please see chart below for a list of these.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Cheyenne to Ontario01,373 km (853 miles)2 Hours 26 Minutes

If you require a hire car at Ontario International be sure that you are in possession of a valid driving licence and also a current credit card.

Don't forget to book your car rental!

Search for the cheapest rental vehicles at Denver Airport

Flight Price FAQ - Denver (DEN) to Ontario (ONT)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Denver DEN to Ontario ONT?
The cheapest direct flight one way from Denver DEN to Ontario ONT is £18.89 ($24 €22.08)
£18.89
$24 | €22.08
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Denver DEN to Ontario ONT?
The cheapest direct return flight from Denver DEN to Ontario ONT is £40.94 ($52 €47.83)
£40.94
$52 | €47.83
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from DEN to ONT

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Flight Info FAQ - Denver (DEN) to Ontario (ONT)

Who flies from Denver to Ontario?
The following airlines fly from Denver (DEN) to Ontario (ONT): Air Canada, Frontier, Southwest Airlines, United Airlines, Volaris.
How far is the flight from Denver to Ontario?
The flight from Denver to Ontario is 1,316KM or 818 miles.
How long does the flight from Denver to Ontario to take?
The flight from Denver to Ontario takes 2 Hours 22 Minutes.

Alternative Airports in United States with Connections from Denver Airport

Don't forget to book your hire car!

Search for the cheapest rental vehicles at DEN

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