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

We've found the cheapest flights to Ontario

Returns from £41.28

One-way from £21.40

You have a selection of 6 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 Airlines454443400:1022:45VIEW FLIGHTS
Air Canada233332311:1520:42VIEW FLIGHTS
United Airlines233232311:1519:19VIEW FLIGHTS
Volaris222222207:5622:37VIEW FLIGHTS
Frontier222222207:5622:37VIEW FLIGHTS
United Express000100014:0114:01VIEW FLIGHTS

Southwest Airlines offer the most direct flights from Denver International to Ontario International with an average of 28 flights a week. The earliest flights are operated at 00:10 and the latest flights operated at 22:45 and the most common flight numbers are WN1575, WN2063, WN2175 and WN2213

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
07:56
AirlineFlightNo
VolarisY42171
FrontierF91261
08:05
AirlineFlightNo
Southwest AirlinesWN2768
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
12:30
AirlineFlightNo
Southwest AirlinesWN2643
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
19:45
AirlineFlightNo
Southwest AirlinesWN2175
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN3522
VIEW FLIGHTS
Tuesday
00:10
AirlineFlightNo
Southwest AirlinesWN3522
08:25
AirlineFlightNo
Southwest AirlinesWN3040
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:00
AirlineFlightNo
VolarisY42171
FrontierF91261
13:05
AirlineFlightNo
Southwest AirlinesWN2063
13:54
AirlineFlightNo
United AirlinesUA2213
Air CanadaAC3170
18:45
AirlineFlightNo
Southwest AirlinesWN2213
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:40
AirlineFlightNo
Southwest AirlinesWN410
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
VIEW FLIGHTS
Wednesday
08:25
AirlineFlightNo
Southwest AirlinesWN3040
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:00
AirlineFlightNo
VolarisY42171
FrontierF91261
13:05
AirlineFlightNo
Southwest AirlinesWN2063
13:54
AirlineFlightNo
United AirlinesUA2213
Air CanadaAC3170
18:45
AirlineFlightNo
Southwest AirlinesWN2213
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:40
AirlineFlightNo
Southwest AirlinesWN410
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
VIEW FLIGHTS
Thursday
07:56
AirlineFlightNo
VolarisY42171
FrontierF91261
08:00
AirlineFlightNo
Southwest AirlinesWN1575
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:10
AirlineFlightNo
Southwest AirlinesWN3040
14:01
AirlineFlightNo
Air CanadaAC3170
United ExpressUA5219
19:05
AirlineFlightNo
Southwest AirlinesWN2063
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:40
AirlineFlightNo
Southwest AirlinesWN2213
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
VIEW FLIGHTS
Friday
07:56
AirlineFlightNo
VolarisY42171
FrontierF91261
08:00
AirlineFlightNo
Southwest AirlinesWN1575
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:10
AirlineFlightNo
Southwest AirlinesWN3040
13:54
AirlineFlightNo
United AirlinesUA2213
Air CanadaAC3170
19:05
AirlineFlightNo
Southwest AirlinesWN2063
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
21:40
AirlineFlightNo
Southwest AirlinesWN2213
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
VIEW FLIGHTS
Saturday
07:40
AirlineFlightNo
Southwest AirlinesWN1575
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
16:05
AirlineFlightNo
Southwest AirlinesWN3040
16:29
AirlineFlightNo
VolarisY42171
FrontierF91261
19:19
AirlineFlightNo
United AirlinesUA1574
Air CanadaAC3499
20:40
AirlineFlightNo
Southwest AirlinesWN410
22:37
AirlineFlightNo
VolarisY42285
FrontierF91499
VIEW FLIGHTS
Sunday
07:56
AirlineFlightNo
VolarisY42171
FrontierF91261
08:20
AirlineFlightNo
Southwest AirlinesWN1575
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:54
AirlineFlightNo
United AirlinesUA2213
14:35
AirlineFlightNo
Southwest AirlinesWN3040
15:17
AirlineFlightNo
Air CanadaAC3170
18:45
AirlineFlightNo
Southwest AirlinesWN2063
19:19
AirlineFlightNo
United AirlinesUA1574
20:42
AirlineFlightNo
Air CanadaAC3499
22:30
AirlineFlightNo
Southwest AirlinesWN410
22:37
AirlineFlightNo
VolarisY42285
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 £21.40 ($28 €24.65)
£21.40
$28 | €24.65
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 £41.28 ($54 €47.54)
£41.28
$54 | €47.54
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

Was your flight delayed or cancelled?

Was your flight delayed or cancelled?

You may be eligible to receive up to 600 EUR compensation per person in your party.

Claim Now!

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, United Express, 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

Useful Information about Denver Airport

Denver Airport Lounges

See all the airport lounges, locations and opening times available at Denver Airport

View...
Dining and Bars at Denver Airport

See all bars and restaurants at Denver Airport, including locations and if they are before or after check-in

View...
Shops and Duty Free at Denver Airport

See all shops available at Denver Airport - plan your duty free shopping in advance

View...
Denver Tourist Attractions

Things to do and see in and around Denver International Airport in Colorado and beyond...

View...